CN219733319U - Lifting type power catwalk conveying and righting device - Google Patents
Lifting type power catwalk conveying and righting device Download PDFInfo
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- CN219733319U CN219733319U CN202321172534.3U CN202321172534U CN219733319U CN 219733319 U CN219733319 U CN 219733319U CN 202321172534 U CN202321172534 U CN 202321172534U CN 219733319 U CN219733319 U CN 219733319U
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- bearing
- righting
- conveying
- conveying arm
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- 238000005096 rolling process Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a lifting type power catwalk conveying and righting device which comprises a mounting seat and a rolling righting piece, wherein the mounting seat is arranged close to a front wheel of a conveying arm head, the rolling righting piece comprises a self-aligning bearing or a joint bearing, an inner ring of the self-aligning bearing or the joint bearing is fixedly connected with the mounting seat, and an outer ring of the self-aligning bearing or the joint bearing can be abutted against the inner side surface of a ramp so as to right the conveying arm head when the conveying arm head moves up and down along the ramp. The utility model has compact and reasonable structure, good righting and guiding performance for the conveying arm and good catwalk running stability.
Description
Technical Field
The utility model relates to the technical field of petroleum equipment, in particular to a lifting type power catwalk conveying device.
Background
As is generally known, a power catwalk is an important device for conveying a pipe column between a drilling platform and a ground platform, wherein the lifting catwalk is commonly applied and generally comprises a base, a ramp, a supporting arm, a conveying arm and a driving unit, wherein the base is fixedly arranged on the ground, the head of the conveying arm is provided with a front wheel, the ramp section is approximately U-shaped, the front wheel is arranged in the ramp and is in rolling connection with the ramp, when the driving unit drives the head of the conveying arm to move up and down along the ramp, the front wheel rolls and advances on the inner bottom surface of the ramp, as shown in fig. 1, the supporting arm is hinged with the base downwards, the supporting arm is hinged with the tail of the conveying arm upwards, and thus the ramp, the supporting arm and the conveying arm form a crank-slider mechanism, and pipe column conveying is realized.
Because the power catwalk equipment is heavy in load, the pressure of the front wheel of the conveying arm to the ramp is high in working, and working environments are mostly severe environments such as outdoor desert gobi, the front wheel of the head of the conveying arm of the existing power catwalk is sleeved with a aligning bearing in a multi-matching mode, and the moving direction can be finely adjusted in the moving process of the conveying arm, so that the head of the conveying arm and the ramp can be prevented from being blocked, and the side face of the front wheel of the conveying arm can be prevented from being worn on the inner side face of the ramp when the front wheel of the conveying arm moves in the ramp in a deviated central line mode. In addition, when uneven or long-time use back each part has slight aversion about the catwalk installation, the conveying arm takes place to deflect relative ramp, and conveying arm front wheel can constantly rub each other with orbital one side when the motion, not only conveying arm operation stationarity is poor, and then reduces the life of conveying arm and ramp, and then can cause the incident that conveying arm card was dead in the ramp.
Disclosure of Invention
The utility model discloses a lifting type power catwalk conveying righting device, which solves the technical problems of high abrasion of a front wheel of a conveying arm to a ramp, poor running stability of equipment and short service life of the equipment in the prior art. Has the technical effects of compact and reasonable structure, good righting and guiding performance for the conveying arm and good catwalk running stability. The technical scheme adopted is as follows:
the utility model provides a centering device is carried to lift-type power catwalk, includes mount pad and roll righting piece, the mount pad is close to the front wheel setting of conveying arm head, roll righting piece includes aligning bearing or joint bearing, aligning bearing or joint bearing's inner circle and mount pad rigid coupling, aligning bearing or joint bearing's outer lane can with the medial surface butt of ramp to right conveying arm head when conveying arm head along the ramp up-and-down motion.
On the basis of the technical scheme, the symmetrical center plane perpendicular to the axis of the aligning bearing or the knuckle bearing in the rolling centering component passes through the axis of the front wheel.
On the basis of the technical scheme, the conveying arm head comprises a first end face facing the ramp, when the conveying arm moves along the bottom end of the ramp, the angle formed by the first end face and the ramp is changed into a, and the acute angle formed by the symmetrical center face and the axis of the ramp is not more than a.
On the basis of the technical scheme, a plurality of rolling righting pieces are arranged on the mounting seat in parallel.
On the basis of the technical scheme, a first gap is formed between the bearing outer ring of the rolling righting piece and the inner side surface of the ramp, and the first gap is smaller than the minimum gap formed between the front wheel and the inner side surface of the ramp in the aligning range.
On the basis of the technical scheme, the rolling righting piece comprises a plurality of knuckle bearings, wherein the knuckle bearings are arranged in parallel, and the symmetrical center planes perpendicular to the axes of the knuckle bearings pass through the axis of the front wheel.
On the basis of the technical scheme, the centering device further comprises a pin shaft and a baffle, the pin shaft penetrates through the mounting seat and is in tight fit with the bearing inner ring in the rolling centering piece, the baffle is connected with the pin shaft in a clamping mode, and the baffle is connected with the mounting seat through a plurality of bolt pieces.
On the basis of the technical scheme, the bolt assembly further comprises a safety steel wire, the outer peripheral surface of the bolt assembly extending out of the baffle is provided with a through hole, and the safety steel wire penetrates through the through hole to connect and lock the bolt assemblies, so that the bolt is prevented from loosening after long-time work.
On the basis of the technical scheme, the bearing outer ring of the rolling righting piece comprises a wear-resistant layer, and the wear-resistant layer can be abutted with the inner side surface of the ramp.
Advantageous effects
The utility model has reasonable and compact structure, the righting device is arranged near the front wheel of the head of the conveying arm, the righting device comprises the bearing which can be abutted against the inner side surface of the ramp, the bearing has the functions of heavy load and aligning, the conveying arm can be effectively righted and guided, the situation that the front wheel is blocked or the inner wall surface of the ramp is seriously worn due to the deviation of the conveying arm from the central line is avoided, the front wheel and the ramp are effectively protected, meanwhile, the safety of the operation of equipment can be greatly improved, in addition, when the first end surface and the ramp are contracted into an included angle to change, the blocking phenomenon of the outer ring and the inner ring of the bearing can be adaptively adjusted, the running stability and the service life of the equipment can be improved, and the technical advantages of low cost and good safety performance are realized.
According to the utility model, the installation position and the installation angle of the bearing in the rolling righting piece are reasonably set, so that the aligning angle of the outer ring of the bearing of the rolling righting piece relative to the inner ring of the bearing in the working process can be effectively reduced, the righting and guiding effects of the conveying arm can be improved, and the running stability of a catwalk can be further improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is apparent that the drawings in the following description are only one embodiment of the present utility model, and that other embodiments of the drawings may be derived from the drawings provided without inventive effort for a person skilled in the art.
Fig. 1: a three-dimensional structure schematic diagram of a lifting type power catwalk;
fig. 2: the three-dimensional structure schematic diagram of the righting device is provided;
fig. 3: a three-dimensional structure schematic diagram of the righting device arranged at the head part of the conveying arm;
fig. 4: FIG. 3 is a schematic cross-sectional view of a side view;
fig. 5: the first end face and the ramp form an angle-changing structural schematic diagram when the head of the conveying arm moves from the bottom end to the upper end on the ramp;
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in, or substituted for, those of others. The scope of the embodiments herein includes the full scope of the claims, as well as all available equivalents of the claims. The terms "first," "second," and the like herein are used merely to distinguish one element from another element and do not require or imply any actual relationship or order between the elements. Indeed the first element could also be termed a second element and vice versa. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, apparatus, or device. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a structure, apparatus or device comprising the element. Various embodiments are described herein in a progressive manner, each embodiment focusing on differences from other embodiments, and identical and similar parts between the various embodiments are sufficient to be seen with each other.
The terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein refer to an orientation or positional relationship based on that shown in the drawings, merely for ease of description herein and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus are not to be construed as limiting the utility model. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanically or electrically coupled, may be in communication with each other within two elements, may be directly coupled, or may be indirectly coupled through an intermediary, as would be apparent to one of ordinary skill in the art.
Herein, unless otherwise indicated, the term "plurality" means two or more.
Herein, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.
Herein, the term "and/or" is an association relation describing an object, meaning that three relations may exist. For example, a and/or B, represent: a or B, or, A and B.
The lifting catwalk shown in fig. 1 comprises a base 70, a ramp 80, a supporting arm 90, a conveying arm 100 and a driving unit 120, wherein the base 70 is fixedly arranged on the ground, the supporting arm 90 is hinged with the base 70 downwards, the supporting arm 90 is hinged with the tail of the conveying arm 100 upwards, the ramp 80 is obliquely arranged, the bottom end of the ramp 80 is fixedly connected with the base 70, the top end of the ramp 80 is fixedly connected with a drilling platform, and the ramp 80, the supporting arm 90 and the conveying arm 100 form a crank slider mechanism. The head of the conveying arm 100 is provided with a front wheel 101, the section of the ramp 80 is approximately U-shaped, two free ends of the U-shape extend horizontally inwards to form a top plate, the front wheel is arranged in the ramp 80 and is in rolling connection with the ramp 80, as shown in fig. 4, when the driving unit 120 drives the head of the conveying arm 100 to move up and down along the ramp 80, the front wheel 101 rolls and advances on the inner bottom surface of the ramp 80 to lift the conveying arm 100, so that pipe column conveying between the conveying arm and a drilling platform is realized, as shown in fig. 1; because the pressure of the front wheel 101 of the conveying arm 100 to the ramp 80 is high during operation, and the working environment is mostly severe environments such as outdoor desert gobi, the front wheel 101 of the head of the conveying arm 100 of the existing power catwalk is sleeved with a aligning bearing in a multi-fit manner, and the moving direction can be finely adjusted during the moving process of the conveying arm 100, so that the head of the conveying arm 100 and the ramp 80 can be prevented from being blocked, and the side face of the front wheel 101 of the conveying arm 100 can be prevented from being worn on the side face of the ramp 80 when the front wheel of the conveying arm 100 moves in the ramp 80 in a deviated central line manner.
The righting device shown in figures 2-5 can well straighten the head of the conveying arm, overcomes the problems of the lifting catwalk, and comprises a mounting seat 1, a rolling righting piece 2, a pin shaft 3 and a baffle 4;
the mounting seat 1 is arranged close to the front wheel 101 at the head of the conveying arm 100, in this embodiment, the mounting seat 1 is in a U shape, and the rolling righting member 2 is arranged in a U-shaped concave cavity.
In this embodiment, the rolling centralizer 2 includes a knuckle bearing, and in other embodiments of the present utility model, the knuckle bearing in the rolling centralizer 2 may be replaced by a self-aligning ball bearing or a self-aligning roller bearing; the inner ring of joint bearing and mount pad 1 rigid coupling specifically is, as shown in fig. 2, the two arms of U-shaped mount pad 1 are worn to round pin axle 3, and round pin axle 3 and roll and right the tight fit of bearing inner race in the piece 2, baffle 4 and the joint of round pin axle 3, baffle 4 are connected with mount pad 1 through a plurality of bolt pieces 5, still include safety wire 6, the bolt piece 5 stretches out to the outer periphery of baffle 4 and is equipped with the through-hole, safety wire 6 passes through the through-hole to connect a plurality of bolt pieces 5 and lock, in this embodiment, bolt piece 5 selects hexagon head foraminiferous bolt for use, between two adjacent bolt pieces 5, and safety wire 6 is "8" font and wears the head through-hole, prevents that bolt piece 5 from becoming flexible after the long-time work, and the security is good. Wherein, the rolling righting piece 2 has a plurality ofly and sets up side by side on mount pad 1, and baffle 4 spanes a plurality of rolling righting pieces 2, and a plurality of rolling righting pieces 2 set up side by side are favorable to improving righting effect, are favorable to improving conveying arm 100 head operational stability, are favorable to reinforcing righting device's shock resistance simultaneously.
The outer ring of the knuckle bearing comprises a wear-resistant layer, the wear-resistant layer can be abutted with the inner side surface of the ramp 80, the service life is long, and the head of the conveying arm 100 can be righted when the head of the conveying arm 100 moves up and down along the ramp 80; when the device is righted, the contact mode between the joint bearing and the inner side surface of the ramp 80 is beneficial to improving the righting effect and reducing the condition of concentrated stress of the device.
As shown in fig. 3 and 4, when the head of the conveying arm 100 moves up and down along the ramp 80, the front wheel 101 is disposed in the ramp 80 and is in rolling contact with the inner bottom surface of the ramp 80, when the moving direction of the conveying arm 100 deviates from the center line, and the joint bearing outer ring is in contact with the inner wall surface of the ramp 80, the joint bearing outer ring passively rotates, in addition, in the process, the angle formed by the conveying arm 100 and the ramp 80 changes, as shown in fig. 5, and then when the head of the conveying arm 100 is righted, along with the change of the relative position of the head of the conveying arm 100 and the ramp 80, the aligning angle of the joint bearing outer ring relative to the inner ring also changes, so as to reduce the change of the aligning angle of the joint bearing when the head of the conveying arm 100 is righted and avoid blocking, the setting position and angle of the rolling righting member in the utility model have the following contents:
on the one hand, the symmetry center plane perpendicular to the axis of the aligning bearing or knuckle bearing in the rolling centralizer 2 passes through the axis of the front wheel 101;
on the other hand, the head of the conveying arm 100 includes a first end surface 102 facing the ramp 80, and when the conveying arm 100 moves along the bottom end to the upper end of the ramp 80, the angle between the first end surface 102 and the ramp 80 changes to a, and the acute angle between the symmetry center surface and the axis of the ramp 80 is not greater than a;
in yet another aspect, the bearing outer race of the rolling centralizer 2 forms a first gap with the inner side of the ramp 80 that is less than the minimum gap formed by the front wheel 101 with the inner side of the ramp 80 in the aligning range.
Therefore, the centering angle change of the outer ring and the inner ring of the joint bearing during centering can be effectively reduced, the service life of the joint bearing is prolonged, the failure rate is reduced, and the use cost is reduced. Meanwhile, the head of the righted conveying arm 100 runs more stably, and the safety performance is better.
The present utility model has been described above by way of example, but the present utility model is not limited to the above-described embodiments, and any modifications or variations based on the present utility model fall within the scope of the present utility model.
Claims (9)
1. The utility model provides a centering device is carried to lift-type power catwalk, its characterized in that includes mount pad (1) and roll righting piece (2), mount pad (1) are close to front wheel (101) setting of conveying arm (100) head, roll righting piece (2) include aligning bearing or joint bearing, aligning bearing or joint bearing's inner circle and mount pad (1) rigid coupling, aligning bearing or joint bearing's outer lane can with the medial surface butt of ramp (80) to right conveying arm (100) head when conveying arm (100) head along ramp (80) up-and-down motion.
2. A lifting power catwalk conveyance centralising device according to claim 1, wherein a centre of symmetry plane perpendicular to the centre of gravity bearing or knuckle bearing axis in the rolling centralising element (2) passes through the axis of the front wheel (101).
3. The lifting power catwalk conveyance righting device according to claim 2, wherein the conveyance arm (100) head includes a first end face (102) facing the ramp, the first end face (102) making an angle a with the ramp (80) when the conveyance arm (100) moves along the bottom end of the ramp (80) and the center of symmetry making an acute angle no greater than a with the axis of the ramp (80).
4. A lifting power catwalk conveyance centralising device according to claim 1, wherein there are a plurality of rolling centralising elements (2) arranged side by side on the mounting base (1).
5. The lifting power catwalk conveying righting device according to any one of claims 1 to 4, wherein a first clearance is formed between the bearing outer ring of the rolling righting member (2) and the inner side surface of the ramp (80), and the first clearance is smaller than a minimum clearance formed between the front wheel (101) and the inner side surface of the ramp (80) in a aligning range.
6. The lifting power catwalk conveying righting device according to claim 5, wherein the rolling righting member (2) comprises a plurality of knuckle bearings arranged in parallel, and a symmetry center plane perpendicular to the axis of the plurality of knuckle bearings passes through the axis of the front wheel (101).
7. The lifting power catwalk conveying righting device according to claim 5, further comprising a pin shaft (3) and a baffle plate (4), wherein the pin shaft (3) penetrates through the mounting seat (1) and is tightly matched with the bearing inner ring in the rolling righting piece (2), the baffle plate (4) is clamped with the pin shaft (3), and the baffle plate (4) is connected with the mounting seat (1) through a plurality of bolt pieces (5).
8. The lifting power catwalk conveying and righting device according to claim 7, further comprising a safety steel wire (6), wherein through holes are formed in the outer peripheral surface of the bolt pieces (5) extending out of the baffle plate (4), and the safety steel wire (6) penetrates through the through holes to connect and lock the bolt pieces (5) and prevent the bolt pieces (5) from loosening after long-time working.
9. A lifting power catwalk conveyance centralising device according to any of claims 6 to 8, wherein the bearing outer race of the rolling centralising member (2) comprises a wear layer which is abuttable against the inner side of the ramp (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321172534.3U CN219733319U (en) | 2023-05-16 | 2023-05-16 | Lifting type power catwalk conveying and righting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321172534.3U CN219733319U (en) | 2023-05-16 | 2023-05-16 | Lifting type power catwalk conveying and righting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733319U true CN219733319U (en) | 2023-09-22 |
Family
ID=88059812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321172534.3U Active CN219733319U (en) | 2023-05-16 | 2023-05-16 | Lifting type power catwalk conveying and righting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733319U (en) |
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2023
- 2023-05-16 CN CN202321172534.3U patent/CN219733319U/en active Active
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