CN112696159A - Power catwalk - Google Patents
Power catwalk Download PDFInfo
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- CN112696159A CN112696159A CN202011549069.1A CN202011549069A CN112696159A CN 112696159 A CN112696159 A CN 112696159A CN 202011549069 A CN202011549069 A CN 202011549069A CN 112696159 A CN112696159 A CN 112696159A
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- ramp
- cloud beam
- arm
- base
- cloud
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
Abstract
The invention discloses a power catwalk, and belongs to the technical field of oil-gas drilling equipment. The invention discloses a power catwalk which comprises a ramp, a base, a cloud beam and a spiral arm, wherein the cloud beam comprises a cloud beam main body; the lower end of the ramp is connected with the front end of the base, the front end of the cloud beam main body is matched with the front face of the ramp and can move up and down along the front face of the ramp, one end of the spiral arm is movably connected with the front section of the base, the other end of the spiral arm is movably connected with the rear section of the cloud beam main body, the spiral arm is of a structure capable of being actively extended and retracted, a first driving telescopic rod is connected between the spiral arm and the base, and the included angle between the spiral arm and the base can be changed through the extension and retraction of the first driving telescopic rod. The invention can realize the conveying function of the drilling tool, and the front end of the cloud beam main body can move up and down along the ramp by the extension and retraction of the spiral arm; the drill jig is adaptable to the heights of different drill table surfaces through the extension and retraction of the rotary arm, and is strong in universality.
Description
Technical Field
The invention relates to a power catwalk, and belongs to the technical field of oil-gas drilling equipment.
Background
The power catwalk is conveying equipment used in the technical field of oil and gas drilling and production equipment, and in the uplink conveying process of the drilling tools, the cloud beam rises and moves forwards, so that the drilling tools on the supporting legs at two sides of the power catwalk can be conveyed to the drilling floor; in the downward conveying process of the drilling tools, the cloud beam descends and moves backwards, and the drilling tools on the drilling platform surface can be conveyed and arranged to the supporting legs on the two sides of the power catwalk; an oil cylinder lifting type land power catwalk disclosed in Chinese patent application No. CN 201420525189.1; a rack and pinion type drilling machine power catwalk disclosed in the Chinese patent, application number CN 201420660266.4; a power catwalk disclosed in chinese patent application No. CN 201520866530.4; a power catwalk disclosed in chinese patent application No. CN202010119561.9, etc.
Referring to and not limited to the power catwalk disclosed by the above list, a typical configuration of a power catwalk is: including ramp, base, cloud roof beam, spiral arm, landing leg and main actuating system, wherein: the lower extreme of ramp is connected with the front end of base, and the landing leg setting is in the both sides position of base, and the front end cooperation of cloud roof beam is positive at the ramp and can openly reciprocate along the ramp, and the cloud roof beam can cooperate on the base, and the cloud roof beam also can expend the ramp upper end, and the one end of spiral arm and the rear end position swing joint of cloud roof beam, the other end and the base swing joint of spiral arm can drive the cloud roof beam through main actuating system and do along the ramp and reciprocate, realize the transport action of drilling tool.
The cloud beam of the power catwalk (the cloud beam can also be called a V-shaped drilling tool supporting beam) is used for accommodating and supporting and conveying a drilling tool; the top surface of the cloud beam is provided with a drilling tool supporting groove which is used for accommodating and supporting a drilling tool; the sliding shoes are assembled on the cloud beam, so that drilling tools supported on the cloud beam can be conveyed to the drilling platform surface, and the drilling tools on the drilling platform surface can be dragged into the cloud beam; the power catwalk is also often provided with a feeding mechanism, a discharging mechanism and the like. The various components of the power catwalk can be understood with reference to prior art power catwalks and will not be described in any greater detail herein.
With the continuous progress of the technology, in the technical field of oil and gas drilling and production equipment, a drilling machine configuration automatic machine tool system becomes a current development trend, a power catwalk is a core device of the automatic machine tool system, and the power catwalk can be suitable for safely and quickly conveying various drilling tools (such as drilling rods, drill collars, sleeves and the like) to a drilling platform surface in the drilling process. The traditional power catwalk can only be adapted to the drilling platform surfaces with one height generally, is difficult to be adapted to the drilling platform surfaces with different heights, and has low universality.
Disclosure of Invention
The invention aims to: aiming at the problems, the invention provides the power catwalk which can be suitable for drilling surfaces with different heights and has strong universality.
The technical scheme adopted by the invention is as follows:
a power catwalk comprises a ramp, a base, a cloud beam and a spiral arm, wherein the cloud beam comprises a cloud beam main body; the lower end of the ramp is connected with the front end of the base, the front end of the cloud beam main body is matched with the front face of the ramp and can move up and down along the front face of the ramp, one end of the spiral arm is movably connected with the front section of the base, the other end of the spiral arm is movably connected with the rear section of the cloud beam main body, the spiral arm is of a structure capable of being actively extended and retracted, a first driving telescopic rod is connected between the spiral arm and the base, and the included angle between the spiral arm and the base can be changed through the extension and retraction of the first driving telescopic rod.
When the power catwalk is adopted, the conveying function of the drilling tool can be realized, and the principle is as follows: in the ascending conveying process of the drilling tool, the power catwalk is in a low position, the cloud beam body is matched on the base, and the front end of the cloud beam main body is matched on the front surface of the ramp; at the moment, the front end of the cloud beam main body moves upwards to a certain height along the ramp by shortening the spiral arm; then, the front end of the cloud beam main body continues to move upwards along the ramp by extending the first driving telescopic rod, and the cloud beam main body moves forwards to be paid out of the upper end of the ramp. After the cloud beam main body moves forwards to pay out the upper end of the ramp, the drilling tool supported on the cloud beam can be conveyed to the drilling platform surface through the sliding shoes arranged on the cloud beam main body, and the drilling tool on the drilling platform surface can also be dragged into the cloud beam. By the same principle, in the downward conveying process of the drilling tool, the power catwalk is at a high position, the cloud beam main body is retreated by shortening the first driving telescopic rod, and the front end of the cloud beam main body moves downwards to a certain height along the ramp; and the front end of the cloud beam main body continues to move downwards along the ramp by extending the swing arm until the cloud beam body is matched with the base. In the invention, thanks to the design that the rotary arm is of an actively telescopic structure, the front end of the cloud beam main body can move up and down along the ramp by the telescopic action of the rotary arm; when the power catwalk is in a high position, the rising height of the cloud beam can be changed by stretching and retracting the swing arm under the condition that the cloud beam body is arranged at the upper end of the ramp, so that the power catwalk can adapt to the heights of different drilling platforms; the principle is as follows: in practical engineering application, when the height of the drill floor is lower, the ramp matched with the drill floor is shorter, and the radial arm can be shortened to a proper length to adapt to the drill floor with lower height; when the height of the drill floor is higher, the matched ramp is longer, and the radial arm can be extended to a proper length to adapt to the drill floor with higher height. Obviously, when the drilling platform surface is higher, the adopted ramp is also longer; when the drilling platform surface is lower, the ramp that adopts is also shorter, can change the ramp of different length according to the rig floor of different heights, and the ramp that of course can also design length-adjustable adapts to the rig floor of different heights. The telescopic rotary arm not only can drive the cloud beam to move up and down along the ramp, but also can adapt to the heights of different drilling platform surfaces through the telescopic rotary arm, and has strong universality. Meanwhile, because the front end of the cloud beam moves up and down along the ramp by the extension of the swing arm, compared with a pulley driving system which realizes the same function in the prior art, see the Chinese patent documents listed in the background technology, the pulley driving system comprises a pulley, a motor, a gear, a rack and the like, and the front end of the cloud beam moves up and down along the ramp by the back and forth movement of the pulley, the structure of the cloud beam is simpler, the cloud beam is easier to manufacture, and the manufacturing cost is lower.
Optionally, the swing arm comprises a first arm rod and a second arm rod which are matched with each other, the second driving telescopic rod is connected between the first arm rod and the second arm rod, and the swing arm can stretch out and draw back through the second driving telescopic rod.
Furthermore, the joint of the second driving telescopic rod and the first arm rod can be adjusted along the length direction of the first arm rod; or the joint of the second driving telescopic rod and the second arm rod can be adjusted along the length direction of the second arm rod.
Optionally, the connection between the radial arm and the cloud beam body can be adjusted back and forth along the cloud beam body.
Optionally, the connection between the radial arm and the base is adjustable back and forth along the base.
Optionally, the connection between the first driving telescopic rod and the base can be adjusted back and forth along the base.
Optionally, the cloud beam further comprises a cloud beam extension section, the cloud beam extension section is matched with the front face of the ramp and can move up and down along the front face of the ramp, the rear end of the cloud beam extension section is movably connected with the front end of the cloud beam main body, the connection position of the cloud beam extension section and the front end of the cloud beam main body is called a movable connection point, the cloud beam extension section can rotate around the movable connection point, and when the cloud beam is completely unfolded, the cloud beam extension section and the drilling tool supporting face of the cloud beam main body are coplanar.
Optionally, the cloud beam main body is formed by detachably connecting a plurality of cloud beam main sections.
Optionally, the lower end of the ramp is bent towards the front of the ramp to form a lower bending part, the free end of the lower bending part is movably connected with the front end of the base, and the bottom of the lower bending part is provided with a liftable adjusting support.
Alternatively, the length of the ramp is adjustable.
Optionally, the ramp is of a foldable structure; or/and the cloud beam is of a foldable structure.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the power catwalk, the conveying function of a drilling tool can be realized, and the front end of the cloud beam main body can move up and down along a ramp through the stretching of the spiral arm due to the design that the spiral arm is of an actively telescopic structure; under the state that the cloud beam main body is arranged at the upper end of the ramp, the height of different drilling platform surfaces can be adapted through the extension and retraction of the rotary arm, and the universality is high; because the front end of the cloud beam moves up and down along the ramp by the extension of the spiral arm, the structure is simpler, the manufacture is easier, the manufacturing cost is lower, the base can be manufactured to be shorter, the manufacturing cost of the base can be reduced, and the transportation of the base is facilitated.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a side view of a first configuration of the power catwalk of the present invention, wherein the cloud beam body fits over the support and the cloud beam extension fits over the ramp;
fig. 2 is a side view of the power catwalk of the present invention in a second configuration wherein the cloud beam is moved up the ramp by shortening the radial arms;
FIG. 3 is a side view of the power catwalk of the invention in a third configuration wherein the cloud beam exits the upper end of the ramp after continuing to move up the ramp by extension of the first drive telescoping rod;
FIG. 4 is a schematic view of a modified construction of FIG. 3, wherein the joint of the swing arm, the first telescoping drive rod and the base is adjusted rearward along the base;
fig. 5 is a side view of the power catwalk of the present invention in a fourth configuration wherein the extension of the radial arms allows the power catwalk of the present invention to be adapted for use with a high height drill floor, where the ramp is also relatively long in length;
fig. 6 is a side view of the power catwalk of the present invention in a fifth configuration wherein the ramp, cloud beam, fold fit on the base;
FIG. 7 is a top view of the power catwalk of the present invention;
FIG. 8 is a side view of the ramp of shorter length;
FIG. 9 is a side view of a ramp of intermediate length;
FIG. 10 is a side view of a longer length ramp;
FIG. 11 is a side view of the base;
FIG. 12 is a side view of a cloud beam;
FIG. 13 is a side view of the radial arm extended to an extreme position;
fig. 14 is a side view of the arm in its shortened extreme position, where the cantilever in fig. 14a is shorter, the cantilever in fig. 14b is medium and the cantilever in fig. 14c is longer, due to the difference in the connection position of the arm to the first arm lever.
The labels in the figure are:
1-ramp, 11-ramp lower segment, 111-lower bending part, 112-adjusting support, 12-ramp lengthening segment, 13-ramp upper segment, 14-ramp guide rail, 15-ramp guide wheel,
2-base, 21-ear seat one, 22-ear seat two, 23-ear seat three,
3-cloud beam, 30-movable connection point, 31-cloud beam main body, 311-cloud beam main trunk section, 32-cloud beam lengthened section, 33-lengthened section guide wheel, 34-cloud beam guide wheel, 35-cloud beam guide rail, 36-cloud beam ear seat, 37-ear seat mounting plate, 38-sliding shoe,
4-rotating arm, 40-mounting point, 41-arm rod I, 42-arm rod II and 43-second driving telescopic rod,
5-a first driving telescopic rod is arranged on the frame,
6-support leg.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features. In the embodiments described below, the articulating connections described below are all preferably hinged connections.
As shown in fig. 1 to 14, a power catwalk comprises a ramp 1, a base 2, a cloud beam 3 and a swing arm 4, wherein the cloud beam 3 comprises a cloud beam body 31; the lower end of the ramp 1 is connected with the front end of the base 2, the front end of the cloud beam main body 31 is matched with the front of the ramp 1 and can move up and down along the front of the ramp, one end of the spiral arm 4 is movably connected with the front section of the base 2, the other end of the spiral arm 4 is movably connected with the rear section of the cloud beam main body 31, the spiral arm 4 is of a driving telescopic structure, a first driving telescopic rod 5 is connected between the spiral arm 4 and the base 2, and the included angle between the spiral arm 4 and the base 2 can be changed through the expansion and contraction of the first driving telescopic rod 5.
When the power catwalk is adopted, the conveying function of the drilling tool can be realized, and the principle is as follows: in the ascending conveying process of the drilling tool, the power catwalk is in a low position, the cloud beam body 31 is matched on the base 2, and the front end of the cloud beam body 31 is matched on the front surface of the ramp 1, as shown in fig. 1; at this time, the front end of the cloud beam main body 31 is moved upwards to a certain height along the ramp 1 by shortening the swing arm 4, as shown in fig. 2; then, the front end of the cloud beam main body 31 continues to move upwards along the ramp 1 by extending the first driving telescopic rod 5, and the cloud beam main body 31 advances to pay out the upper end of the ramp 1, as shown in fig. 3 and 4. After the cloud beam main body 31 moves forwards to the upper end of the ramp 1, the drilling tools supported on the cloud beam 3 can be conveyed to the drilling platform surface through the skid shoes 38 arranged on the cloud beam main body 31, and the drilling tools on the drilling platform surface can also be dragged into the cloud beam 3. In the same way, in the downward conveying process of the drilling tool, the power catwalk is at a high position, and the cloud beam main body 31 is retreated by shortening the first driving telescopic rod 5, so that the front end of the cloud beam main body 31 moves downwards to a certain height along the ramp 1; and the front end of the cloud beam main body 31 continues to move downwards along the ramp 1 through the extension of the radial arm 4 until the cloud beam main body 31 is matched on the base 2. In the invention, thanks to the design that the rotary arm 4 is of an actively telescopic structure, the front end of the cloud beam main body 31 can move up and down along the ramp 1 through the telescopic action of the rotary arm 4; moreover, when the power catwalk is in a high position and the cloud beam body 31 is extended out of the upper end of the ramp 1, the rising height of the cloud beam 3 can be changed through the extension and contraction of the rotary arm 4, so that the power catwalk can be suitable for the heights of different drilling platforms; the principle is as follows: in practical engineering applications, when the height of the drill floor is lower, the matched ramp 1 is also shorter, and then the radial arm 4 can be shortened to a proper length to adapt to the drill floor with lower height, as shown in fig. 4; when the drill floor is higher, the matched ramp 1 is longer, and the radial arm 4 can be extended to a proper length to adapt to the drill floor with higher height, as shown in fig. 5. Obviously, when the drilling platform surface is higher, the adopted ramp 1 is also longer; when the drilling platform surface is lower, the adopted ramp 1 is also shorter, the ramp 1 with different lengths can be replaced according to the drilling platforms with different heights, and the ramp 1 with the adjustable length can be designed to adapt to the drilling platforms with different heights. It can be seen that the telescopic arm 4 of the invention not only can play a role of driving the cloud beam 3 to move up and down along the ramp, but also can adapt to the heights of different drilling platform surfaces through the telescopic arm 4 of the invention, and has strong universality. Meanwhile, because the front end of the cloud beam 3 moves up and down along the ramp 1 by the extension of the swing arm 4, compared with a pulley driving system for realizing the same function in the prior art, see the Chinese patent documents listed in the background art, the pulley driving system comprises a pulley, a motor, a gear, a rack and other parts, and the structural form that the front end of the cloud beam 3 moves up and down along the ramp 1 is realized by the back and forth movement of the pulley, the structure of the cloud beam is simpler, the cloud beam is easier to manufacture, and the manufacturing cost is lower, and in the structural form designed by the invention, the pulley is not required to move back and forth to drive the cloud beam 3 to lift, so that the base 2 can be manufactured to be shorter, the length of the base 2 can be smaller than that of the cloud beam body 31, the manufacturing cost of the base 2 can be reduced, and the transportation of the base 2 is. The skid shoes 38 provided on the cloud girder main body 31 can be designed according to the prior art, the legs 6 can be provided on both sides or one side of the base 2, and the legs 6 can also be designed according to the prior art.
Further, the one end of first drive telescopic link 5 with base 2 swing joint, the other end of first drive telescopic link 5 with spiral arm 4 swing joint, through the flexible change of first drive telescopic link 5 spiral arm 4 with the contained angle between the base 2.
Alternatively, as shown in fig. 5 and 13, the swing arm 4 includes a first arm rod 41 and a second arm rod 42 that are matched, the second telescopic driving rod 43 is connected between the first arm rod 41 and the second arm rod 42, and the extension and retraction of the swing arm 4 can be realized through the extension and retraction of the second telescopic driving rod 43. Specifically, as shown in fig. 5, one end of the first arm 41 is movably connected to the front section of the base 2, the other end of the first arm 41 is matched with one end of the second arm 42, and the other end of the second arm 42 is movably connected to the rear section of the cloud beam main body 31. The structure that the other end of the first arm 41 is matched with one end of the second arm 42 can be that the second arm 42 is slidably sleeved in the first arm 41, or the first arm 41 is slidably sleeved in the second arm 42. In one embodiment, taking the second arm 42 slidably sleeved in the first arm 41 as an example, as shown in fig. 5 and 13, the second driving telescopic rod 43 is assembled in the first arm 41, two ends of the second driving telescopic rod 43 are respectively connected with the first arm 41 and the second arm 42, and the extension and retraction of the swing arm 4 can be realized by the extension and retraction of the second driving telescopic rod 43. Of course, a design in which the radial arm 4 comprises only the second telescopic drive rod 43 is also possible.
Further, the connection position of the second driving telescopic rod 43 and the first arm rod 41 can be adjusted along the length direction of the first arm rod 41; or the joint of the second driving telescopic rod 43 and the second arm rod 42 can be adjusted along the length direction of the second arm rod 42. The initial length of the radial arm 4 can be set as required to meet the actual use requirements. Specifically, for the design that the joint of the second driving telescopic rod 43 and the first arm rod 41 can be adjusted along the length direction of the first arm rod 41, taking the example that the second arm rod 42 is slidably sleeved in the first arm rod 41 as an example, the second driving telescopic rod 43 is assembled in the first arm rod 41, and two ends of the second driving telescopic rod 43 are respectively connected with the first arm rod 41 and the second arm rod 42; a plurality of mounting points 40 for connecting a second driving telescopic rod 43 are arranged along the length direction of the first arm rod 41, and the initial length of the radial arm 4 can be set by connecting the second driving telescopic rod 43 to the mounting points 40 at required positions; for example, 3 mounting points 40 are provided, and when the second telescopic driving rod 43 is connected with the lowest mounting point 40 and the radial arm is shortened to the extreme position, as shown in fig. 14a, the length of the cantilever 4 is relatively short; when the second telescopic drive rod 43 is connected to the middle mounting point 40, the arm is shortened to the extreme position, as shown in fig. 14b, the length of the cantilever 4 is relatively medium; when the second telescopic drive link 43 is connected to the lowermost mounting point 40, the arm is shortened to the extreme position, as shown in figure 14c, and the length of the boom 4 is relatively long. In the same way, referring to the above embodiment, in combination with the design that the second arm 42 is slidably sleeved in the first arm 41, the design that "the joint between the second driving telescopic rod 43 and the first arm 41 can be adjusted along the length direction of the first arm 41" can be realized, and there is no technical problem.
Further, the first and second telescopic driving rods 5 and 43 are preferably hydraulic telescopic rods, but may be electric telescopic rods.
In order to further improve the universality of the power catwalk, the power catwalk is suitable for drilling platforms with different heights. The invention also envisages the following designs.
Alternatively, the connection between the radial arm 4 and the cloud beam body 31 may be adjusted back and forth along the cloud beam body 31. The joint of the radial arm 4 and the base 2 can be adjusted back and forth along the base 2. The joint of the first driving telescopic rod 5 and the base 2 can be adjusted back and forth along the base 2. The present invention is briefly described herein to facilitate the specific implementation of the above-described designs by those skilled in the art.
For the design that the connection between the radial arm 4 and the cloud beam main body 31 can be adjusted back and forth along the cloud beam main body 31, the following embodiments can be adopted: as shown in fig. 3, 5, and 12, a plurality of (e.g., 4) ear seat mounting plates 37 are disposed on the bottom surface of the rear section of the cloud beam main body 31 along the front and rear end directions of the cloud beam main body 31, the ear seat mounting plate 37 at any position can be connected to the cloud beam ear seat 36, the cloud beam ear seat 36 is hinged to the swing arm 4, and the purpose of "movably connecting the other end of the swing arm 4 to the rear section of the cloud beam main body 31" can be achieved by the above structural design. When the joint of the radial arm 4 and the cloud beam main body 31 needs to be adjusted back and forth along the cloud beam main body 31, the cloud beam ear seat 36 only needs to be installed and connected to the ear seat installation plate 37 at a proper position; for example, when it is necessary to adjust the connection of the swing arm 4 and the cloud beam main body 31 forward, the cloud beam ear mount 36 is attached to the ear mount mounting plate 37 away from the rear end of the cloud beam main body 31, as shown in fig. 3; when it is necessary to adjust the connection of the swing arm 4 and the cloud beam main body 31 rearward, the cloud beam ear mount 36 is attached to the ear mount mounting plate 37 near the rear end of the cloud beam main body 31, as shown in fig. 5. Of course, the cloud beam ear seat 36 may be installed on each ear seat installation plate 37 in advance, and when the connection position of the swing arm 4 and the cloud beam main body 31 needs to be adjusted forward, the swing arm 4 and the cloud beam ear seat 36 at the required position are directly hinged, but the following interference problems are easily caused in such a way: that is, the cloud beam ear mount 36 not connected to the swing arm 4 may interfere with the change in the angle between the cloud beam body 31 and the swing arm 4.
The following embodiments can be adopted for the design of "the connection between the swing arm 4 and the base 2 can be adjusted back and forth along the base 2" and "the connection between the first telescopic driving rod 5 and the base 2 can be adjusted back and forth along the base 2": as shown in fig. 3, 4 and 11, along the front and rear end directions of the base 2, a plurality of (e.g., 2) ear seats 22 for connecting with the swing arm 4 are provided on the base 2, and a plurality of (e.g., 2) ear seats 23 for connecting with the first telescopic driving rod 5 are provided on the base 2; the second ear mount 22 is closer to the front end of the base 2 than the third ear mount 23, so that the junction of the radial arm 4 and the base 2 is closer to the front end of the base 2. When the structural design is adopted to realize the fore-and-aft adjustment, as shown in fig. 3 and 4, the rotating arm 4 is hinged with the second ear seat 22 at the required position, and the first driving telescopic rod 5 is hinged with the third ear seat 23 at the required position.
Optionally, as shown in fig. 1 to 5 and 12, the cloud girder 3 further includes a cloud girder elongated section 32, the cloud girder elongated section 32 is fitted to the front surface of the ramp 1 and can move up and down along the front surface of the ramp, a rear end of the cloud girder elongated section 32 is movably connected to a front end of the cloud girder main body 31, a connection between the cloud girder elongated section and the front end of the cloud girder main body is called a movable connection point 30, the cloud girder elongated section 32 can rotate around the movable connection point 30, and when the cloud girder 3 is completely unfolded, the cloud girder elongated section 32 is coplanar with a tool supporting surface of the cloud girder main body 31. When the design of the cloud beam lengthening section 32 is adopted, the length of the cloud beam 3 can be increased, and the universality of the invention is improved. When the cloud beam main body 31 moves up and down along the ramp 1, the cloud beam elongated section 32 also moves up and down along the ramp 1, and after the cloud beam main body 31 is paid out from the upper end of the ramp 1, the drilling tool supporting surface of the cloud beam elongated section 32 is coplanar with the drilling tool supporting surface of the cloud beam main body 31, and the cloud beam 3 is completely unfolded, so that the drilling tool supported on the cloud beam 3 can be conveniently conveyed.
Further, as shown in fig. 1, 3, 8 to 10 and 12, a ramp guide rail 14 is arranged on the front surface of the ramp 1 along the direction of the upper end and the lower end of the ramp 1, and a ramp guide wheel 15 is arranged on the upper end of the front surface of the ramp 1; along the front and rear end directions of the cloud beam body 31, the front end of the back of the cloud beam body 31 is provided with a cloud beam guide wheel 34 matched with the ramp guide wheel 14, and the back of the cloud beam body 31 is provided with a cloud beam guide wheel 35 matched with the ramp guide wheel 15. Through the design of the matched ramp guide rail 14 and cloud beam guide wheel 34, the cloud beam guide wheel 34 can be pressed on the ramp guide rail 14, so that the front end of the cloud beam 31 can move up and down along the front surface of the ramp 1; through the design of the matched ramp guide wheel 15 and the cloud beam guide rail 35, the cloud beam guide rail 35 presses the ramp guide wheel 15, so that the cloud beam body 31 can conveniently move at the upper end of the paying ramp 1. When the design of the cloud beam lengthened section 32 is combined, the cloud beam lengthened section 32 is also provided with a lengthened section guide wheel 33 matched with the ramp guide rail 14, so that the cloud beam lengthened section 32 can move up and down along the front surface of the ramp 1 conveniently.
Alternatively, as shown in fig. 12, the cloud girder main body 31 is formed by detachably connecting a plurality of cloud girder trunk sections 311. Of course, the cloud beam main body 31 may be composed of only 1 section of the cloud beam main section 311. For the cloud beam main body 31 with the same length, the design that the cloud beam main body 31 is detachably connected by the multiple sections of the cloud beam main body sections 311 is more convenient for the transportation of the cloud beam main body 31.
Optionally, as shown in fig. 1, fig. 2, and fig. 8 to fig. 10, the lower end of the ramp 1 is bent toward the front of the ramp to form a lower bent portion 111, the free end of the lower bent portion 111 is movably connected to the front end of the base 2, and a liftable adjusting support 122 is disposed at the bottom of the lower bent portion 111. Preferably, the free end of the lower bending part 111 is hinged to a first ear seat 21 arranged at the front end of the base, and the lower bending part 111 can swing up and down around the first ear seat 21. The adjusting support 122 and the lower bending portion 111 can be connected by a screw pair, and the lower bending portion 111 can be supported by the adjusting support 122 by screwing the adjusting support 122. Of course, the upper end of the ramp 1 can also be bent at the back of the ramp to form a bent structure.
Alternatively, the length of the ramp 1 is adjustable. If the design that the length of the ramp 1 can be adjusted is not adopted, when facing the drill floor with different heights, the ramp with different length needs to be replaced to adapt, so that ramps with various lengths need to be stored, and the manufacturing cost is increased obviously. And the design that the length of benefiting from ramp 1 is adjustable can be applicable to the drilling platform face of different heights, and the cost is lower. For example, in one embodiment, the ramp comprises a ramp lower section 11, a ramp upper section 13, an upper end of the ramp lower section 11 being detachably connected with a lower section of the ramp upper section 13, and a ramp elongated section 12, wherein the ramp elongated section 12 is detachably connected between the upper end of the ramp lower section 11 and a lower end of the ramp upper section 13. It will be apparent that the ramp extension 12 may have 1 or more sections as desired. For example, when the ramp lower section 11 is directly connected with the ramp upper section 13, and the ramp extension section 12 is not connected between the two, the length of the ramp 1 is shorter, as shown in fig. 4 and 8; when 1 section of the ramp lengthened section 12 is connected between the ramp lower section 11 and the ramp upper section 13, the length of the ramp 1 is medium, as shown in fig. 3 and 9; when the 2-section ramp-lengthened section 12 is connected between the ramp-lower section 11 and the ramp-upper section 13, the length of the ramp 1 is longer, as shown in fig. 5 and 10.
Optionally, the ramp 1 is of a foldable structure; or/and the cloud beam 3 is of a foldable structure. Preferably, the lower end of the ramp 1 is movably connected with the front end of the base 2, for example, the lower end of the ramp is hinged with a first ear seat 21 arranged at the front end of the base. When power catwalk needs whole transportation, can realize folding cloud beam 3, ramp 1 on base 2 to the transportation of power catwalk, as shown in fig. 6. For the design that the ramp 1 is a foldable structure, when the design that the ramp comprises the ramp lower section 11 and the ramp upper section 13 (and the ramp elongated section 12) is combined, a detachable hinge structure is arranged between the adjacent ramp sections, so that the design is realized, and the technical problem is not existed. For the design that the cloud beam 3 is a foldable structure, when the design that the cloud beam comprises a multi-section cloud beam main section 311 (and a cloud beam lengthened section 32) is combined, the design can be realized by arranging a detachable hinge structure between adjacent cloud beam sections, and the technical problem does not exist.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A power catwalk, its characterized in that: the device comprises a ramp, a base, a cloud beam and a spiral arm, wherein the cloud beam comprises a cloud beam main body; the lower end of the ramp is connected with the front end of the base, the front end of the cloud beam main body is matched with the front face of the ramp and can move up and down along the front face of the ramp, one end of the spiral arm is movably connected with the front section of the base, the other end of the spiral arm is movably connected with the rear section of the cloud beam main body, the spiral arm is of a structure capable of being actively extended and retracted, a first driving telescopic rod is connected between the spiral arm and the base, and the included angle between the spiral arm and the base can be changed through the extension and retraction of the first driving telescopic rod.
2. A power catwalk according to claim 1, wherein: the spiral arm comprises a first arm rod and a second arm rod which are matched with each other, the second driving telescopic rod is connected between the first arm rod and the second arm rod, and the spiral arm can stretch out and draw back through the second driving telescopic rod. Furthermore, the joint of the second driving telescopic rod and the first arm rod can be adjusted along the length direction of the first arm rod; or the joint of the second driving telescopic rod and the second arm rod can be adjusted along the length direction of the second arm rod.
3. A power catwalk according to claim 1, wherein: the joint of the radial arm and the cloud beam main body can be adjusted back and forth along the cloud beam main body.
4. A power catwalk according to claim 1, wherein: the joint of the radial arm and the base can be adjusted back and forth along the base.
5. A power catwalk according to claim 1, wherein: the joint of the first driving telescopic rod and the base can be adjusted back and forth along the base.
6. A power catwalk according to claim 1, wherein: the cloud beam further comprises a cloud beam lengthened section, the cloud beam lengthened section is matched with the front face of the ramp and can move up and down along the front face of the ramp, the rear end of the cloud beam lengthened section is movably connected with the front end of the cloud beam main body, the joint of the cloud beam lengthened section and the front end of the cloud beam main body is called as a movable connection point, the cloud beam lengthened section can rotate around the movable connection point, and when the cloud beam is completely unfolded, the cloud beam lengthened section and the drilling tool supporting face of the cloud beam main body are coplanar.
7. A power catwalk according to claim 1, wherein: the cloud beam main body is formed by detachably connecting a plurality of cloud beam main sections.
8. A power catwalk according to claim 1, wherein: the lower end of the ramp is bent towards the front face of the ramp to form a lower bending portion, the free end of the lower bending portion is movably connected with the front end of the base, and the bottom of the lower bending portion is provided with a liftable adjusting support.
9. A power catwalk according to claim 1, wherein: the length of the ramp is adjustable.
10. The catwalk of claim 1, wherein: the ramp is of a foldable structure; or/and the cloud beam is of a foldable structure.
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