阅读说明：本技术 一种无钻杆自平衡钻具缆管的地面存储系统用回转支撑架 (Rotary support frame for ground storage system of drilling-rod-free self-balancing drilling tool cable pipe ) 是由 高科 牛鑫 赵研 李家晟 于 2020-09-15 设计创作，主要内容包括：一种无钻杆自平衡钻具缆管的地面存储系统用回转支撑架,属于钻探与钻井工程领域,回转支撑架的回转支撑座固定套与储缆平台连接,同时其上部与回转支撑轴承外圈连接；回转支撑轴承内圈与回转支撑架体连接,回转支撑轴承的内圈高于外圈；四个呈矩形布置丝杠步进电机的输出轴上各同轴连接有一个丝杠,四个丝杠均穿过限位板上的螺纹孔后到达回转支撑架体底部,并与限位板的螺纹孔螺纹配合连接,四个丝杠同步转动时以使限位板沿丝杠的轴线上下运动；两个对称设置的夹持电机安装在限位板上,两个夹块分别连接在两个夹持电机的输出轴上。本发明可以实现在有需要的位置夹持钻具,并能够承载钻具较大的压力,还可以跟随牵引车一起做圆周运动。(A rotary support frame for a ground storage system of a drill-stem-free self-balancing drilling tool cable pipe belongs to the field of drilling and well drilling engineering, wherein a rotary support seat fixing sleeve of the rotary support frame is connected with a cable storage platform, and the upper part of the rotary support seat fixing sleeve is connected with a rotary support bearing outer ring; the inner ring of the rotary support bearing is connected with the rotary support frame body, and the inner ring of the rotary support bearing is higher than the outer ring; the output shafts of the four lead screw stepping motors which are arranged in a rectangular shape are coaxially connected with a lead screw respectively, the four lead screws penetrate through the threaded holes in the limiting plates and then reach the bottom of the rotary support frame body and are in threaded fit connection with the threaded holes in the limiting plates, and the four lead screws are synchronously rotated to enable the limiting plates to move up and down along the axis of the lead screws; two clamping motors which are symmetrically arranged are arranged on the limiting plate, and the two clamping blocks are respectively connected to output shafts of the two clamping motors. The invention can clamp the drilling tool at a required position, can bear larger pressure of the drilling tool, and can also do circular motion along with the tractor.)

1. The utility model provides a no drilling rod self-balancing drilling tool cable ground rotary support frame for storage system, includes the rotary support body, its characterized in that: the cable storage platform is characterized by also comprising a rotary supporting seat fixing sleeve, a rotary supporting bearing, a screw rod stepping motor, a screw rod, a limiting plate, a clamping motor and a clamping block, wherein the rotary supporting seat fixing sleeve is connected with the cable storage platform through a screw, and meanwhile, the upper part of the rotary supporting seat fixing sleeve is connected with the outer ring of the rotary supporting bearing through a screw; the inner ring of the rotary support bearing is connected with the rotary support frame body through a screw, and the inner ring of the rotary support bearing is higher than the outer ring; the clamping motors are arranged on the limiting plate, the number of the clamping motors is two, and the two clamping motors are symmetrically arranged; the two clamping blocks are respectively connected to output shafts of the two clamping motors, and the two clamping blocks are matched with each other to clamp the drilling tool; the four lead screw stepping motors are arranged on the rotary support frame body and are rectangular; the quantity of lead screw is four, and four lead screws are respectively through coupling joint on four lead screw step motor's output shaft, and four lead screws all pass the crossbeam that the gyration was supported the support body in proper order and set up the screw hole on the limiting plate and reach gyration and support the support body bottom, and four lead screws all are connected with the screw hole screw-thread fit of limiting plate, so that the limiting plate moves from top to bottom along the axis of lead screw when four lead screws rotate in step, are used for reciprocating the drilling tool to suitable position.

2. The rotary support frame for the ground storage system of the drillpipe-free self-balancing drilling tool cable pipe according to claim 1, characterized in that: one end of the lead screw, which is far away from the lead screw stepping motor, is clamped in a groove at the bottom of the rotary support frame body.

Technical Field

The invention belongs to the field of drilling and well drilling engineering, relates to a system for placing and fixing a drilling tool after the drilling tool is lifted in a well, and particularly relates to a rotary support frame for a ground storage system of a drilling-rod-free self-balancing drilling tool cable tube.

Background

When a ground storage system without a drill rod self-balancing drilling tool cable pipe is used for drilling, the drilling tool needs to be continuously tripped out, so that a drill bit of the drilling tool in the well is replaced and other maintenance works are carried out, after the ground is lifted, the drilling tool needs to be fixed at a certain position, and the position can move up and down as required; when the drilling depth is deep, the equipment at the position needs to have enough strength to bear the pressure of the upper device and the pressure of the upper device for bearing the combined force of the gravity of the drilling tool and the cable pipe in the well; the equipment is connected with a tractor guide rod of a ground storage system of the drilling rod-free self-balancing drilling tool cable tube and needs to do circular motion along with the tractor. Accordingly, there is a need for a slewing support mechanism suitable for drilling applications or for a wider range of applications to surface storage systems.

Disclosure of Invention

The invention aims to provide a rotary support frame system for a ground storage system of a self-balancing drilling tool cable tube, which can realize the clamping and the up-and-down movement of the drilling tool at a required position, can bear the larger pressure of the drilling tool and can also perform circular motion along with a tractor.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a no drilling rod self-balancing drilling tool cable ground rotary support frame for storage system, includes the rotary support body, its characterized in that: the cable storage platform is characterized by also comprising a rotary supporting seat fixing sleeve, a rotary supporting bearing, a screw rod stepping motor, a screw rod, a limiting plate, a clamping motor and a clamping block, wherein the rotary supporting seat fixing sleeve is connected with the cable storage platform through a screw, and meanwhile, the upper part of the rotary supporting seat fixing sleeve is connected with the outer ring of the rotary supporting bearing through a screw; the inner ring of the rotary support bearing is connected with the rotary support frame body through a screw, and the inner ring of the rotary support bearing is higher than the outer ring; the clamping motors are arranged on the limiting plate, the number of the clamping motors is two, and the two clamping motors are symmetrically arranged; the two clamping blocks are respectively connected to output shafts of the two clamping motors, and the two clamping blocks are matched with each other to clamp the drilling tool; the four lead screw stepping motors are arranged on the rotary support frame body and are rectangular; the quantity of lead screw is four, and four lead screws are respectively through coupling joint on four lead screw step motor's output shaft, and four lead screws all pass the crossbeam that the gyration was supported the support body in proper order and set up the screw hole on the limiting plate and reach gyration and support the support body bottom, and four lead screws all are connected with the screw hole screw-thread fit of limiting plate, so that the limiting plate moves from top to bottom along the axis of lead screw when four lead screws rotate in step, are used for reciprocating the drilling tool to suitable position.

Furthermore, one end of the screw rod, which is far away from the screw rod stepping motor, is clamped in a groove at the bottom of the rotary support frame body.

Through the design scheme, the invention can bring the following beneficial effects:

1. when the drill is started or stopped, the rotary support frame provided by the invention can fix the drilling tool and move up and down to a certain proper position according to the requirement.

2. When drilling to a deeper stratum, the rotary support frame provided by the invention can bear larger pressure of the upper device and the combined force of the gravity of the drilling tool and the cable pipe in the well.

3. The invention can realize that the circumferential motion of the cable storage platform (namely the fixed cable storage platform) and each component on the upper part is not interfered with each other, and only the rotary support frame does the circumferential motion along with the tractor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation and are not intended to limit the invention in any way, and in which:

fig. 1 is a front view of a slewing bearing for a surface storage system without a drill pipe self-balancing drill cable in an embodiment of the invention.

Fig. 2 is a sectional view of the C-C of fig. 1.

Fig. 3 is a schematic view of a pivoting support frame.

Fig. 4 is a right side view of the pivoting support frame body.

Fig. 5 is a schematic structural diagram of the limiting plate.

Fig. 6 is a schematic structural view of the slewing bearing.

Fig. 7 is a side view of the slewing support bearing.

The various points in the figure are labeled as follows: 101-a rotary support frame body; 102-a first lead screw stepping motor; 103-a lead screw stepping motor II; 104-a first clamping block; 105-a clamping motor I; 106-limiting plate; 107-a first lead screw; 108-a second lead screw; 109-slewing support bearings; 110-a rotary support seat fixing sleeve; 111-lead screw stepper motor III; 112-screw stepping motor four; 113-clamping a second motor; 114-clamp block two; 115-lead screw III; 116-screw four.

Detailed Description

The present invention will be described in further detail with reference to examples and embodiments. It should be understood that the scope of the present subject matter is not limited to the following examples, and that any techniques implemented based on the teachings of the present invention are within the scope of the present invention. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

The rotary support frame for the ground storage system of the drill-rod-free self-balancing drilling tool cable tube shown in this embodiment includes, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, a rotary support frame body 101, a first lead screw stepping motor 102, a second lead screw stepping motor 103, a first clamping block 104, a first clamping motor 105, a limiting plate 106, a first lead screw 107, a second lead screw 108, a rotary support bearing 109, a rotary support seat fixing sleeve 110, a third lead screw stepping motor 111, a fourth lead screw stepping motor 112, a second clamping motor 113, a second clamping block 114, a third lead screw 115, and a fourth lead screw 116.

The rotary support seat fixing sleeve 110 is connected with the cable storage platform through a screw, meanwhile, the upper part of the rotary support seat fixing sleeve 110 is connected with the outer ring of the rotary support bearing 109 through a screw, and the rotary support seat fixing sleeve 110 is a medium for connecting the rotary support frame and the cable storage platform.

The inner ring of the rotary supporting bearing 109 is connected with the rotary supporting frame body 101 through a screw, the rotary supporting fixing sleeve 110 is connected with the rotary supporting frame body 101 through the rotary supporting bearing 109, the inner ring of the rotary supporting bearing 109 is higher than the outer ring, the height difference plays a role in isolating the rotary supporting base fixing sleeve 110 from the rotary supporting frame body 101 in motion, the motion of the inner ring and the motion of the outer ring are not interfered with each other, namely, when the inner ring does circular motion, the outer ring can be fixed, and therefore the rotary supporting fixing sleeve 110 can be kept in a static state when the rotary supporting frame body 101 does circular motion.

Four lead screw stepping motors are arranged on the rotary support frame body 101 and are respectively a first lead screw stepping motor 102, a second lead screw stepping motor 103, a third lead screw stepping motor 111 and a fourth lead screw stepping motor 112, output shafts of the first lead screw stepping motor 102, the second lead screw stepping motor 103, the third lead screw stepping motor 111 and the fourth lead screw stepping motor 112 are respectively correspondingly and coaxially provided with a first lead screw 107, a second lead screw 108, a third lead screw 115 and a fourth lead screw 116 through couplers, the four lead screws firstly pass through a cross beam of the rotary support frame body 101 and then pass through a threaded hole of a limiting plate 106 to reach the bottom of the rotary support frame body 101 and are limited in a groove arranged at the bottom of the rotary support frame body 101, the four lead screws are in threaded fit connection with the threaded hole of the limiting plate 106, the four lead screws can drive the limiting plate 106 to move up and down along the axis of the lead screws when synchronously rotating, it is possible to contribute to an increase in the migration range of the restriction plate 106, i.e., to maximize the range of the grip position; the limiting plate 106 is a platform for mounting a clamping motor, the limiting plate 106 is provided with two symmetrically arranged clamping motors, namely a first clamping motor 105 and a second clamping motor 113, output shafts of the first clamping motor 105 and the second clamping motor 113 are respectively and correspondingly provided with a first clamping block 104 and a second clamping block 114, the first clamping block 104 and the second clamping block 114 are matched with each other for clamping a drilling tool, the maximum load bearing capacity of the two clamping blocks is 36MPa, when the drilling tool is started and lowered, if the drilling tool needs to be extracted or lowered to a certain fixed position, the drilling tool needs to be fixed, at the moment, the two clamping blocks need to be drawn close to the center to clamp the drilling tool, and then the four lead screw stepping motors drive the four lead screws to synchronously rotate so as to drive the limiting plate 106 to move up and down along the axis of the lead screws to adjust the position.

The electric energy of the first lead screw stepping motor 102, the second lead screw stepping motor 103, the third lead screw stepping motor 111, the fourth lead screw stepping motor 112, the first clamping motor 105 and the second clamping motor 113 is transmitted through a guide rod of the tractor, the tractor receives the electric energy from the outside through a sliding power supply sliding block of the tractor and transmits the electric energy to the tractor, and then the electric energy is transmitted to the motors through a lead wire which penetrates through the guide rod to reach the rotary support frame.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that various changes and modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious changes and modifications may be made within the scope of the present invention.