CN211115846U - Electric remote control kelly bar pulling and conveying device - Google Patents
Electric remote control kelly bar pulling and conveying device Download PDFInfo
- Publication number
- CN211115846U CN211115846U CN201921889855.9U CN201921889855U CN211115846U CN 211115846 U CN211115846 U CN 211115846U CN 201921889855 U CN201921889855 U CN 201921889855U CN 211115846 U CN211115846 U CN 211115846U
- Authority
- CN
- China
- Prior art keywords
- pulley
- remote control
- wire rope
- steel wire
- pier seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides an electric remote control kelly bar pulling and feeding device, which comprises a remote control motor, a support rod, a diversion pulley block, a steel wire rope and a pier seat, wherein the diversion pulley block at least comprises a first pulley, a second pulley and a third pulley, one end of the support rod is movably hinged with one end of the top of the pier seat close to a rat hole, the other end of the support rod is fixed with the first pulley, one end of the top of the pier seat far away from the rat hole is provided with a local outward extension section, the second pulley is fixed on the extension section, and the third pulley is fixed on a drilling platform surface; one end of the steel wire rope is connected to the remote control motor, and the other end of the steel wire rope is wound by the turning pulley block and then connected to the kelly bar. The utility model discloses a wire rope and a set of diversion pulley and bracing piece cooperation form one set of steering mechanism, will stimulate on the required horizontal pulling force of kelly was transmitted the kelly by the motor, the well head only needs 1 personal remote control operation, can control the kelly safely and steadily come in and go out big mouse hole, need not human intervention midway.
Description
Technical Field
The utility model belongs to the technical field of well drilling engineering machinery, concretely relates to electronic remote control kelly draws and send device.
Background
In the process of oil field drilling operation, various working condition conversion such as tripping and drilling needs to be frequently carried out, particularly, when the working condition conversion is carried out between drilling and tripping, a kelly needs to be pulled into a rat hole, the mode that the kelly enters and exits the rat hole is manual operation at present, a drill rod hook is used for pulling the kelly into the rat hole, the lower end of the kelly is suspended because the rat hole has a certain distance with a turntable, the top end of the kelly is connected with a traveling block, the kelly inclines in the process of manually pulling the kelly to form a pulling force opposite to the manual pulling direction towards the center of a drill floor, usually 3-4 people can pull the kelly into the rat hole by exerting effort, and when the number of people is small, people can be pulled back to the turntable of the drill floor by the reverse pulling force of the kelly, and even can hurt people due to the swinging of the suspended kel.
In recent years, a drilling kelly rat hole entering device (application number is CN 201620523180.6) using a pneumatic winch as a power source is formed by connecting a kelly, a rat hole, a rope, a rat hole fixed pulley, a pneumatic winch pulley and a pneumatic winch, wherein one end of the rope is connected to the pneumatic winch, the other end of the rope is connected to the kelly, and the middle of the rope passes through the rat hole fixed pulley and the pneumatic winch pulley; the rat hole is fixed on the drilling platform surface.
Although the device solves the problems of heavy physical power and high risk operation of manually pushing the kelly bar to go in and out of the rat hole, the problems of difficult installation and disassembly, occupation of the area of a drill floor and influence on the escape passage of an inner bench worker in some emergency situations.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an electronic remote control kelly draws and send device to overcome above-mentioned technical defect.
In order to achieve the above object, the utility model adopts the following technical scheme:
an electric remote control kelly bar pulling and conveying device at least comprises a remote control motor, a supporting rod, a turning pulley block, a steel wire rope and a pier seat, wherein the pier seat is arranged on a drilling platform surface, the turning pulley block at least comprises a first pulley, a second pulley and a third pulley, one end of the supporting rod is rotatably connected with one end, close to a rat hole, of the top of the pier seat, the end part of the other end of the supporting rod is fixedly connected with the first pulley, one end, far away from the rat hole, of the top of the pier seat is provided with a local outward extension section, the second pulley) is fixed on the local outward extension section of the top of the pier seat, and the third pulley is fixed on the drilling platform surface; one end of the steel wire rope is connected to the remote control motor, and the other end of the steel wire rope is connected to the kelly bar after passing through the third pulley, the second pulley and the first pulley in sequence.
Furthermore, the device also comprises a remote controller which controls the remote control motor to rotate forwards or backwards.
Preferably, the remote motor is mounted on the drill floor at the most distal corner.
Further, the turning pulley block further comprises a fourth pulley vertically fixed on the drilling platform surface, the steel wire rope forms a 90-degree included angle on the drilling platform surface after being connected with the remote control motor, the fourth pulley and the third pulley in sequence, and the third pulley and the second pulley) are located on the same vertical line.
Preferably, a first steel wire rope sleeve is sleeved on the steel wire rope between the remote control motor and the fourth pulley, and a second steel wire rope sleeve is sleeved on the steel wire rope between the fourth pulley and the third pulley.
Preferably, the support rod is movably hinged to the outer side of the top of the pier seat through a first pin shaft and rotates around the hinged end of the support rod and the pier seat; one end of the support rod, which is close to the pier seat, is provided with a threaded hole, a bolt is arranged in the threaded hole, a nut aligned with the threaded hole is welded on the pier seat, and the bolt is matched and fastened with the nut to lock the support rod on the outer side of the pier seat in a horizontal state; when the supporting rod needs to be turned over and recovered to the pier seat, the bolt only needs to be loosened and drawn out.
The supporting rod is movably hinged to the outer side of the top of the pier seat through a second pin shaft and rotates around the hinged end of the supporting rod and the pier seat; a groove is formed in a preset position of the side wall of the pier seat, a pull rod for controlling the turning degree is arranged between the support rod and the pier seat, and the pull rod can slide along the groove; when the pull rod slides upwards to the top end of the groove, the support rod is turned downwards by 90 degrees through the pin shaft and is in a folding and bending state; when the pull rod slides downwards to the bottom end of the groove, the supporting rod is turned upwards through the pin shaft and is completely unfolded to a horizontal position under the action of upward pulling force of an operator, and the supporting rod and the pier seat are locked by the pull rod at the moment.
Preferably, the remote control motor is a speed-adjustable motor with the speed of 0-20 m/min.
The utility model has the advantages as follows:
1. the utility model discloses use the positive reverse motor of remote control as the power supply, through wire rope and a set of diversion pulley and bracing piece cooperation, form one set of steering mechanism, will stimulate on the required horizontal pulling force of kelly is transmitted the kelly by the motor to can control the kelly safely and steadily come in and go out big mouse hole.
2. The support rod of the utility model can horizontally extend out and be fixed when in use; after the use is finished, the foldable drill floor can be folded and recovered, so that the space of the drill floor is not occupied.
3. Remote control motor install in rig floor farthest end one corner, consequently can not influence the rig floor surface current.
4. The diversion assembly pulley is placed through suitable perpendicular or level, has realized required wire rope diversion requirement.
5. The utility model discloses a replace booster unit that manpower push-and-pull kelly came in and go out big mouse hole, not only simple structure, the location is accurate, can reduce the intensity of labour of well drilling workman when the mouse hole is come in and go out to the push-and-pull kelly by a wide margin, has advantages such as operation safety, convenience, laborsaving, high efficiency moreover.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of an electrically remote-controlled kelly bar pulling and feeding device;
FIG. 2 is a top view of the electrically remote kelly pull device;
fig. 3 is a folding schematic view of the support rod.
Description of reference numerals:
1. a remote control motor; 2. a remote controller; 3. a support bar; 4. a direction-changing pulley block; 5. a wire rope; 6. pier seats; 3.1, a second pin shaft; 3.2, a pull rod; 4.1, a first pulley; 4.2, a second pulley; 4.3, a third pulley; 4.4, a fourth pulley; 6.1, grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
First embodiment
The first embodiment of the utility model relates to an electronic remote control kelly bar draws send device, as shown in fig. 1, fig. 2, include remote control motor 1, bracing piece 3, diversion assembly pulley 4, wire rope 5 and pier seat 6 at least, pier seat 6 sets up on the rig floor face, diversion assembly pulley 4 includes first pulley 4.1, second pulley 4.2 and third pulley 4.3 at least, one end of bracing piece 3 and 6 top of pier seat are close to the one end rotatable coupling in big mouse hole, the other end tip of bracing piece 3 fixedly connected with the first pulley 4.1, the one end of 6 top of pier seat far away from big mouse hole has local outside extension section, second pulley 4.2 is fixed in 6 top of pier seat on the local outside extension section, third pulley 4.3 is fixed in the rig floor face; one end of the steel wire rope 5 is connected to the remote control motor 1, and the other end of the steel wire rope 5 is connected to the kelly bar after sequentially passing through the third pulley 4.3, the second pulley 4.2 and the first pulley 4.1.
The embodiment also provides a method for pulling the kelly bar to enter and exit the rat hole by adopting the electric remote control kelly bar pulling and feeding device, which comprises the following steps:
s001, connecting one end of a steel wire rope 5 to the remote control motor 1, and fixing the other end of the steel wire rope 5 on the kelly bar after passing through the turning pulley block 4;
s002, when the device is used, the supporting rod 3 is made to be in a horizontal state, then the remote control switch 2 is turned on, the remote control motor 1 is controlled to rotate forwards, the steel wire rope 5 is tightened, and at the moment, the steel wire rope 5 pulls the kelly bar to the position above the rat hole from the wellhead through the action of the turning pulley block 4;
s003, when the kelly is aligned with the rat hole, the operator closes the remote control switch 2, the remote control motor 1 stops rotating, and the driller lowers the kelly and enters the rat hole;
s004, when the kelly bar goes out of the rat hole and the kelly bar goes out of the rat hole, the remote control motor 1 is controlled to rotate reversely through the remote control switch 2, the steel wire rope 5 is loosened when the remote control motor 1 rotates reversely, and the kelly bar is pulled out of the rat hole along with the steel wire rope 5 and moves to a well head;
s005, the supporting rod 3 is folded and retracted.
The utility model discloses a wire rope and a set of diversion pulley and bracing piece cooperation form one set of steering mechanism, will stimulate on the required horizontal pulling force of kelly was transmitted the kelly by the motor, the well head only needs 1 personal remote control operation, can control the kelly safely and steadily come in and go out big mouse hole, need not human intervention midway.
Second embodiment
The embodiment relates to an electric remote control kelly bar pulling and feeding device, which at least comprises a remote control motor 1, a remote controller 2, a support rod 3, a diversion pulley block 4, a steel wire rope 5 and a pier seat 6 as shown in figure 1, wherein the diversion pulley block 4 comprises a first pulley 4.1, a second pulley 4.2, a third pulley 4.3 and a fourth pulley 4.4, the pier seat 6 is arranged on a drilling platform surface, one end of the support rod 3 is rotatably connected with one end of the top of the pier seat 6 close to a rat hole, the end part of the other end of the support rod 3 is fixedly provided with the first pulley 4.1 which is arranged in a horizontal state, and the first pulley 4.1 and the support rod 3 are positioned on the same horizontal line; one end of the top of the pier seat 6, which is far away from the rat hole, is provided with a local outward extending section, the second pulley 4.2 is vertically fixed on the local outward extending section of the top of the pier seat 6, the third pulley 4.3 is vertically fixed on the drilling platform surface, and the third pulley 4.3 and the second pulley 4.2 are positioned on the same vertical line; wire rope 5's one end is connected on remote control motor 1, and wire rope 5's the other end connects on the kelly in proper order through fourth pulley 4.4, third pulley 4.3, second pulley 4.2 and first pulley 4.1 back, and further, the utility model discloses use remote control motor as the power supply, through 1 corotation of remote controller 2 control remote control motor or reversal to through wire rope and diversion assembly pulley and bracing piece cooperation, form one set of steering mechanism, will stimulate on the required horizontal pulling force of kelly is transmitted the kelly by the motor, thereby control the kelly safely and steadily and come in and go out big mouse hole.
In this embodiment, it is worth mentioning that the steel wire rope 5 forms a first included angle of 90 degrees on the drilling platform surface after being sequentially connected by the remote control motor 1, the fourth pulley and the third pulley 4.3; the direction-changing pulley block is correspondingly vertically or horizontally arranged, so that the required direction-changing requirement of the steel wire rope is met.
Further, the steel wire rope 5 between the remote control motor 1 and the fourth pulley 4.4 is sleeved with a first steel wire rope sleeve, the steel wire rope 5 between the fourth pulley 4.4 and the third pulley 4.3 is sleeved with a second steel wire rope sleeve, the remote control motor 1 is installed at one corner of the farthest end of the drill floor, and the steel wire rope laid on the surface of the drill floor is sleeved with the steel wire rope sleeve, so that the passing of the drill floor cannot be influenced.
Third embodiment
On the basis of the above embodiment, as a preferable option, the support rod 3 is movably hinged to the outer side of the top of the pier seat 6 through a first pin shaft, and rotates around the hinged end of the support rod and the pier seat 6; one end of the support rod 3, which is close to the pier seat 6, is provided with a threaded hole, a bolt is arranged in the threaded hole, a nut aligned with the threaded hole is welded above the pier seat 6, and the bolt is matched and fastened with the nut to horizontally lock the support rod 3 outside the pier seat 6; when the supporting rod 3 needs to be overturned and recovered to the pier seat 6, the supporting rod 3 can be folded and overturned only by loosening and drawing out the fastening bolt.
Fourth embodiment
Different from the third embodiment, as a preferable mode, as shown in fig. 3, the support rod 3 is movably hinged to the outer side of the top of the pier seat 6 through a second pin shaft 3.1 and rotates around the hinged end of the support rod and the pier seat 6; a groove 6.1 is formed in a preset position of the side wall of the pier seat 6, a pull rod 3.2 for controlling the turning degree is arranged between the support rod 3 and the pier seat 6, and the pull rod 3.2 can slide along the groove 6.1; when the pull rod slides upwards to the top end of the groove 6.1, the support rod 3 is turned downwards by 90 degrees through a second pin shaft 3.1 and is in a folded state; when pull rod 3.2 gliding extremely when recess 6.1 bottom, bracing piece 3 upwards overturns through second round pin axle 3.1 to expand completely and be in fold condition under the operator's upward pulling force effect, pull rod 3.2 pins bracing piece 3, pier base 6 this moment.
It should be particularly noted that, only some embodiments for realizing the turning and folding of the supporting rod 3 are listed above, the present invention will not be limited to these embodiments shown herein, and under the circumstance of no conflict, a person skilled in the art can make simple modification, equivalent change and modification to the above embodiments according to actual situations, or combine the related technical features in the above examples with each other to achieve the corresponding technical effects, all belong to the technical solution of the present invention, and specifically, it is not repeated here for various combination situations.
Sixth embodiment
The embodiment relates to an electric remote control kelly bar pulling and feeding device, which comprises a remote control motor 1, a remote controller 2, a support rod 3, a diversion pulley block 4, a steel wire rope 5 and a pier seat 6, wherein the diversion pulley block 4 comprises a first pulley 4.1, a second pulley 4.2, a third pulley 4.3 and a fourth pulley 4.4, the pier seat 6 is arranged on a drilling platform surface, one end of the support rod 3 is rotatably connected with one end of the top of the pier seat 6, which is close to a rat hole, the other end of the support rod 3 is fixedly connected with a first pulley 4.1, and the first pulley 4.1 and the support rod 3 are positioned on the same horizontal line; one end of the top of the pier seat 6, which is far away from the rat hole, is provided with a local outward extending section, the second pulley 4.2 is vertically fixed on the local outward extending section of the top of the pier seat 6, the third pulley 4.3 is vertically fixed on the drilling platform surface, and the third pulley 4.3 and the second pulley 4.2 are positioned on the same vertical line; one end of the steel wire rope 5 is connected to the remote control motor 1, the other end of the steel wire rope 5 is connected to the kelly bar after sequentially passing through the fourth pulley 4.4, the third pulley 4.3, the second pulley 4.2 and the first pulley 4.1, further, the remote controller 2 controls the remote control motor 1 to rotate forwards or backwards, and preferably, the remote control motor 1 is a speed-adjustable motor with the speed of 0-20 m/min.
Further, the utility model discloses draw the circuit of rat entrance to a cave with the kelly, through surveying in advance to realize the accurate positioning by the length of horizontal support pole 3, guaranteed that the kelly can stop at rat entrance to a cave and can not squint through this circuit accuracy.
The embodiment also provides a method for pulling the kelly bar to enter and exit the rat hole by using the electric remote control kelly bar pulling and sending device, which comprises the following steps:
s1, installing the remote control motor 1 at one corner of the farthest end of the drill floor, and fixing the pier seat 6 at a position close to the rat hole on the surface of the drill floor;
s2, fixedly connecting a first pulley 4.1 which is horizontally arranged at the other end of the supporting rod 3, hinging one end of the supporting rod 3 to one end of the top of the pier seat 6 which is close to the rat hole, vertically arranging a second pulley 4.2 at the other end of the top of the pier seat 6 which is far away from the rat hole, and vertically arranging a third pulley 4.3 on the drilling platform surface below the second pulley 4.2;
s3, arranging a fourth pulley 4.4 at a 90-degree included angle formed between the remote control motor 1 and the third pulley 4.3, and vertically fixing the fourth pulley on the surface of the drilling platform;
s4, connecting one end of a steel wire rope 5 to the remote control motor 1, and fixing the other end of the steel wire rope 5 on a kelly bar after sequentially passing through a fourth pulley 4.4, a third pulley 4.3, a second pulley 4.2 and a first pulley 4.1;
s5, when the device of the utility model is used, the support rod 3 is firstly in a horizontal state, then the remote switch 2 is opened, the remote control motor 1 is controlled to rotate forwards, the steel wire rope 5 is tightened when the remote control motor 1 rotates forwards, and the steel wire rope 5 pulls the kelly from the wellhead position to the upper part of the rat hole under the action of the turning pulley block 4;
s6, when the kelly is aligned with the rat cave entrance, the operator closes the remote switch 2, the remote control motor 1 stops rotating, the driller lowers the kelly and enters the rat cave;
s7, when the kelly bar goes out of the rat hole, the remote control motor 1 is controlled to rotate reversely through the remote control switch 2, the steel wire rope 5 is loosened when the remote control motor 1 rotates reversely, and the kelly bar is pulled out of the piling hole along with the steel wire rope 2 and moves to a well mouth;
and S8, the support rod 3 is folded back.
To sum up, the utility model designs a replace booster unit that manpower push-and-pull kelly came in and go out rat hole, can draw the kelly within 30 seconds steadily to send into rat hole, need not the manpower midway and intervene, do not occupy any rig floor area and escape way, and do not have any installation difficulty. The utility model is not only simple in structure, the location is accurate, can reduce the intensity of labour of well drilling workman when the mouse hole is comiected and exported to the push-and-pull kelly by a wide margin, still has advantages such as operation safety, convenience, laborsaving, high-efficient.
Parts of the above embodiments that are not specifically described are well known components and conventional structures or conventional means in the art and will not be described in detail herein.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Additionally, the terms first and second … … are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
Claims (7)
1. The utility model provides an electronic remote control kelly draws and send device which characterized in that: the device at least comprises a remote control motor (1), a support rod (3), a turning pulley block (4), a steel wire rope (5) and a pier seat (6), wherein the pier seat (6) is arranged on a drilling platform surface, the turning pulley block (4) at least comprises a first pulley (4.1), a second pulley (4.2) and a third pulley (4.3), one end of the support rod (3) is rotatably connected with one end, close to a rat hole, of the top of the pier seat (6), the other end of the support rod (3) is fixedly connected with the first pulley (4.1), one end, far away from the rat hole, of the top of the pier seat (6) is provided with a local outward extending section, the second pulley (4.2)) is fixed on the local outward extending section of the top of the pier seat (6), and the third pulley (4.3) is fixed on the drilling platform surface; one end of the steel wire rope (5) is connected to the remote control motor (1), and the other end of the steel wire rope (5) is connected to the kelly bar after sequentially passing through the third pulley (4.3), the second pulley (4.2) and the first pulley (4.1).
2. An electrically operated remote kelly bar pulling apparatus as defined in claim 1, wherein: the device also comprises a remote controller (2), wherein the remote controller (2) controls the remote control motor (1) to rotate forwards or backwards.
3. An electrically operated remote kelly bar pulling apparatus as defined in claim 1, wherein: the remote control motor (1) is arranged at one corner of the farthest end on the surface of the drill table.
4. An electrically operated remote kelly bar pulling apparatus as defined in claim 3, wherein: the turning pulley block (4) further comprises a fourth pulley (4.4) vertically fixed on the drilling platform surface, the steel wire rope (5) forms a 90-degree included angle on the drilling platform surface after being connected by the remote control motor (1), the fourth pulley and the third pulley (4.3) in sequence, and the third pulley (4.3) and the second pulley (4.2) are located on the same vertical line.
5. An electrically operated remote kelly bar pulling apparatus as defined in claim 4, wherein: a first steel wire rope sleeve is sleeved on the steel wire rope (5) between the remote control motor (1) and the fourth pulley (4.4), and a second steel wire rope sleeve is sleeved on the steel wire rope (5) between the fourth pulley (4.4) and the third pulley (4.3).
6. An electrically operated remote kelly bar pulling apparatus as defined in claim 1, wherein: the supporting rod (3) is movably hinged to the outer side of the top of the pier seat (6) through a first pin shaft and rotates around the hinged end of the supporting rod and the pier seat (6); one end of the support rod (3) close to the pier seat (6) is provided with a threaded hole, a bolt is arranged in the threaded hole, a nut aligned with the threaded hole is welded on the pier seat (6), and the bolt is matched and fastened with the nut to lock the support rod (3) at the outer side of the pier seat (6) in a horizontal state; when the supporting rod (3) needs to be overturned and recovered to the pier seat (6), the bolt only needs to be loosened and drawn out.
7. An electrically operated remote kelly bar pulling apparatus as defined in claim 1, wherein: the remote control motor (1) is a speed-adjustable motor with the speed of 0-20 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921889855.9U CN211115846U (en) | 2019-11-05 | 2019-11-05 | Electric remote control kelly bar pulling and conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921889855.9U CN211115846U (en) | 2019-11-05 | 2019-11-05 | Electric remote control kelly bar pulling and conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115846U true CN211115846U (en) | 2020-07-28 |
Family
ID=71701342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921889855.9U Active CN211115846U (en) | 2019-11-05 | 2019-11-05 | Electric remote control kelly bar pulling and conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211115846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700771A (en) * | 2019-11-05 | 2020-01-17 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Electric remote control kelly bar pulling and conveying device and using method thereof |
-
2019
- 2019-11-05 CN CN201921889855.9U patent/CN211115846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700771A (en) * | 2019-11-05 | 2020-01-17 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Electric remote control kelly bar pulling and conveying device and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4796195B1 (en) | Work scaffold equipment | |
| US2562276A (en) | Drill rig | |
| CN211115846U (en) | Electric remote control kelly bar pulling and conveying device | |
| CN105649523A (en) | Multifunctional herring ladder | |
| CN111255403A (en) | Fishing device for rope-like falling objects in oil exploitation well | |
| CN210508322U (en) | Folding hanging basket | |
| CN110700771A (en) | Electric remote control kelly bar pulling and conveying device and using method thereof | |
| CN206185355U (en) | High altitude (HA) scope is with welding auxiliary machinery arm | |
| US2573528A (en) | Folding mast structure | |
| CN205445450U (en) | Foldable safe cat ladder | |
| CN202866646U (en) | Drill mast type engineering driller equipped with hydraulic lifting device | |
| US20050006175A1 (en) | Apparatus for controlled stabilized descent | |
| CN207004415U (en) | Power equipment maintaining folding ladder | |
| JP2001040663A (en) | Method and device for erecting leader for pile driver | |
| CN213964917U (en) | Lifting emergency main fighting fire truck | |
| JPH0941656A (en) | Fall preventing device for wall working | |
| CN205990892U (en) | A kind of kelly bar draws and send device | |
| CN210493140U (en) | Computer teaching control system | |
| CN209354045U (en) | Collapsible hanging ladder | |
| CN207522878U (en) | A kind of controlling equipment of electric tool | |
| CN211115843U (en) | Electric remote control drilling tool pulling and conveying device | |
| CN208777812U (en) | Electric pole punches pole setting machine | |
| DE3017462C2 (en) | Device for rescuing people from buildings | |
| CN220769474U (en) | Airborne trolley suitable for small-section tunnel | |
| CN219492310U (en) | Arch, anchor and spray integrated operation trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |