Lower swing type oil pipe body outer diameter drift device

Abstract

The utility model discloses a lower swing type oil pipe body outer diameter drifting device, and belongs to the technical field of oil pipe production detection equipment. The external drift diameter device of the lower swing type oil pipe body comprises a first support, a second support, two third supports, six fourth supports, a fifth support, six sixth supports, a seventh support, fifty-six bolts, twelve rolling bearings, four wheels and four axles. The device can achieve the purpose of conducting outer diameter drifting on the oil pipe body alternately left and right, and has the advantages of being low in manufacturing cost, easy to operate and good in using effect.

Description

Technical Field

[0001] This utility model belongs to the technical field of oil pipe production and testing equipment, specifically relating to a swing-down type oil pipe external diameter measuring device. Background Technology

[0002] Currently, high-grade steel tubing is typically manufactured using a water-quenching and tempering process. During this phase transformation, the tubing is prone to bending. The tubing is installed inside the casing, with a clearance fit between them. To ensure smooth insertion of the tubing into the casing, a passability test is required on either the inner diameter of the casing or the outer diameter of the tubing. Generally, the casing's inner diameter is used to check whether the straightness and roundness of the casing section simultaneously meet requirements. Bore gauges are generally divided into mechanical and pneumatic types. Mechanical gauging machines use a motor-driven gauging bar to check the inner diameter of the tubing. The smooth movement of the gauge within the pipe body determines whether the bore diameter is acceptable. A pneumatic bore gauge uses compressed air as a power source to blow the gauge from one end of the pipe to the other, achieving full-length bore diameter inspection. If the pipe body deforms, the gauge will become stuck inside, requiring immediate removal, which increases operational difficulty and reduces efficiency. Since oil pipes typically use coupling-free connections, external bore diameter inspection is possible. Therefore, it is necessary to develop a device capable of external bore diameter inspection of oil pipes to verify whether the straightness and cross-sectional roundness of the pipe body simultaneously meet requirements.

[0003] After searching, three patent documents were found to be most relevant to this utility model technology. The specific contents are described below:

[0004] Patent document CN 201820145901.3 discloses an oil pipe diameter testing device, which mainly includes a placement frame, a gauge, a baffle, an air guide pipe, an air pump, a placement cylinder, an inclined chute, a rotating shaft, a roller, a conveying pipe, a fan box, a discharge pipe, and a water tank. The device is ingeniously designed. The use of the air pump enables the gauge to pass through the oil pipe with power. The use of the inclined chute enables the gauge to return to its original position. The use of the fan enables the water tank to collect dust. It has the characteristics of simple structure, economy and environmental protection, good testing quality and high working efficiency. However, this device is only suitable for the internal diameter testing of the oil pipe body to facilitate the fitting of the inner liner tube, and is not suitable for the external diameter testing of the oil pipe body.

[0005] Patent document CN 201920205627.9 discloses a booster gauging machine with a replaceable gauging gauge device. It mainly includes a booster pump, guide rail, cylinder, damper, recovery box, firing gun, servo motor, sleeve, support, roller, synchronous belt, clamping device, linkage rod, gauging gauge and solenoid valve. The device is ingeniously designed. The use of replaceable gauging gauge and booster pump can save time in replacing gauging gauge and can handle the problem of gauging gauge jamming online. It has the characteristics of small footprint, good detection quality and high working efficiency. However, this device is only suitable for the internal gauging of oil tubing to facilitate the insertion of downhole tools such as oil pumps, and is not suitable for the external gauging of oil tubing.

[0006] Patent document CN 202022438784.X discloses a horizontal steel pipe caliper, which mainly includes a first support, a second support, a third support, a caliper rod, a bearing support, a first support plate, a second support plate, a base plate, rollers, wheels, rolling bearings, bolts, and nuts. The device is ingeniously designed. The combined use of the first support and the caliper rod can achieve step-by-step caliper testing of multiple horizontally arranged steel pipes by alternating left and right sides. It has the characteristics of low manufacturing cost, simple operation, and relatively reliable caliper test results. However, this device is only suitable for the internal caliper testing of steel pipe bodies used in oil wells, so as to facilitate the insertion of downhole tools such as tubing, inner lining pipes, or oil pumps. It is not suitable for the external caliper testing of tubing bodies. Utility Model Content

[0007] To overcome one or more problems existing in the prior art, this utility model provides a swing-type external diameter device for oil pipes. The use of axles enables the positioning and connection of four wheels and a first support. The use of a second support enables the first support to move horizontally along a predetermined trajectory. The combined use of the second support and bolts enables the relative arrangement of two third supports. The combined use of the third support and bolts enables the positioning of a seventh support. The combined use of the seventh support and bolts enables the pairwise relative arrangement of six fourth supports. The combined use of the fourth support and rolling bearings enables the directional swing of the sixth support, thereby achieving the alternating lifting of the oil pipe body. The use of bolts enables the linkage of a fifth support and a first support. The use of the fifth support enables the external diameter of the oil pipe body. Therefore, the device of this utility model has relatively good performance.

[0008] The technical solution adopted by this utility model to solve its technical problem is as follows.

[0009] The lower-swept tubing external diameter device provided by this utility model includes a first support, a second support, two third supports, six fourth supports, a fifth support, six sixth supports, a seventh support, fifty-six bolts, twelve rolling bearings, four wheels, and four axles.

[0010] The first bracket is composed of a first body, four first protrusions, and eight second protrusions connected together. The first body and the first protrusions are both rectangular parallelepiped symmetrical structures. The four first protrusions are arranged opposite each other in pairs and are located on the upper end face of the first body. The eight second protrusions are divided into four groups and are located on the lower end face of the first body. The rear end face of the first protrusion has two cylindrical first through holes symmetrically opened, and the bolts are inserted into the first through holes. The vertical cross-section of the second protrusion is a symmetrical structure in the shape of an isosceles trapezoid. The two second protrusions in each group can form an isosceles trapezoidal first through groove, and the wheel is inserted into the first through groove. The rear end face of the second protrusion has a cylindrical second through hole, and the axle is inserted into the second through hole.

[0011] The second bracket is composed of a second body, four third protrusions, and eight fourth protrusions connected together. The second body, the third protrusions, and the fourth protrusions are all symmetrical cuboid structures. The four third protrusions are arranged opposite each other in pairs and are located on the upper end face of the second body. The eight fourth protrusions are divided into four groups and are located on the upper end face of the second body. The upper end face of each third protrusion is symmetrically provided with four first screw holes, and the bolts are screwed into the first screw holes. A cuboid second through groove can be formed between the two fourth protrusions in each group for guiding the wheel.

[0012] The third bracket is composed of two third bodies, two fifth protrusions, and one sixth protrusion connected together. Each of the third bodies, fifth protrusions, and sixth protrusions is a symmetrical cuboid structure. The two third bodies are arranged opposite each other, and the two fifth protrusions are also arranged opposite each other and located on the upper surfaces of the two third bodies. The sixth protrusion is located on the upper surfaces of both fifth protrusions. Four cylindrical third through holes are symmetrically opened on the upper surface of each third body, and bolts are inserted through these third through holes. Four second screw holes are symmetrically opened on the left surface of each sixth protrusion, and bolts are screwed into these second screw holes.

[0013] The fourth bracket is composed of a fourth body and two seventh protrusions connected together. Both the fourth body and the seventh protrusions are symmetrical rectangular parallelepiped structures. The two seventh protrusions are arranged opposite each other and are located on the upper end face of the fourth body. The left end face of the fourth body has two cylindrical grooves symmetrically formed, and the rolling bearing is inserted into the grooves. A cylindrical fourth through hole is formed at the axis of the groove, and the bearing section of the sixth bracket is inserted into the fourth through hole. The left end face of the seventh protrusion has two cylindrical fifth through holes symmetrically formed, and the bolt is inserted into the fifth through hole.

[0014] The fifth bracket consists of a fifth body and four eighth protrusions connected together. Both the fifth body and the eighth protrusions are symmetrical rectangular structures. The four eighth protrusions are arranged opposite each other in pairs and are located on the lower end face of the fifth body. A cylindrical sixth through hole is opened in the middle of the left end face of the fifth body, and the oil pipe is inserted through the sixth through hole. Two third screw holes are symmetrically opened on the rear end face of the eighth protrusions, and the bolts are screwed into the third screw holes.

[0015] The sixth bracket is composed of a sixth body, a ninth protrusion, a tenth protrusion, and two bearing sections connected together. The sixth body, the ninth protrusion, and the tenth protrusion are all symmetrical cuboid structures. The ninth protrusion is located on the lower end face of the sixth body, and the tenth protrusion is located on the lower end face of the ninth protrusion. The two bearing sections are arranged opposite to each other and are located on the left and right end faces of the sixth body, respectively. The bearing section is a symmetrical cylindrical structure used to pass through the rolling bearing. The front and rear faces of the tenth protrusion are each provided with a semi-cylindrical third through groove. Two adjacent third through grooves can be joined to form a cylindrical through hole, which is used to pass through the oil pipe.

[0016] The seventh bracket is composed of two seventh bodies, two eleventh protrusions, and twelve twelfth protrusions connected together. The seventh bodies, eleventh protrusions, and twelfth protrusions are all symmetrical cuboid structures. The two seventh bodies are arranged opposite each other, and the two eleventh protrusions are arranged opposite each other and located on the left and right end faces of the two seventh bodies, respectively. The twelve twelfth protrusions are divided into two groups and located on the lower end faces of the two seventh bodies, respectively. The left end face of the eleventh protrusion has four cylindrical seventh through holes symmetrically opened, and the bolts are inserted into the seventh through holes. The left end face of the twelfth protrusion has two fourth screw holes symmetrically opened, and the bolts are screwed into the fourth screw holes.

[0017] In some embodiments, the bolts, the rolling bearings, the wheels, and the axles are all standard parts.

[0018] The beneficial effects of this utility model are as follows:

[0019] 1) The lower-swung oil pipe external diameter device provided by this utility model includes a first support, a second support, two third supports, six fourth supports, a fifth support, six sixth supports, a seventh support, fifty-six bolts, twelve rolling bearings, four wheels and four axles. Since the materials are common and easy to process and form, the manufacturing cost of this utility model device is relatively low.

[0020] 2) When using the left-to-right outer diameter mode, initially all three groups ① and ② are horizontally positioned. The first support carriage is moved to the leftmost end of the second support along the second through groove. The first oil pipe body is inserted from the front or rear position. All three groups ① and ② simultaneously rotate 90 degrees forward to lift the oil pipe body. Groups ① and ② on the left simultaneously rotate 90 degrees in the opposite direction, moving the first support carriage horizontally and uniformly to the right along the second through groove, so that the fifth support can pass over the oil pipe body from the left end position. Groups ① and ② on the left simultaneously rotate 90 degrees forward. At a 0-degree angle, ① and ② in the middle simultaneously swing 90 degrees in opposite directions, moving the first support carriage horizontally and uniformly to the right along the second through groove so that the fifth support can pass over the oil pipe body from the middle position; ① and ② in the middle simultaneously swing 90 degrees in the forward direction, and ① and ② at the right end simultaneously swing 90 degrees in opposite directions, moving the first support carriage horizontally and uniformly to the right along the second through groove so that the fifth support can pass over the oil pipe body from the right end position. In this way, the outer diameter of the first oil pipe body can be completed from left to right. Therefore, the operation of this utility model device is relatively simple.

[0021] 3) When this utility model uses the right-to-left outer diameter mode, the two sets ① and ② located at the left end and the middle simultaneously rotate 90 degrees in opposite directions, moving the first support carriage to the rightmost end of the second support along the second through groove, and inserting the second oil pipe body from the front or rear position. The three sets ① and ② simultaneously rotate 90 degrees in the forward direction to lift the oil pipe body; the ① and ② located at the right end simultaneously rotate 90 degrees in opposite directions, moving the first support carriage horizontally and uniformly to the left along the second through groove, so that the fifth support can pass over the oil pipe body from the right end position; the ① and ② located at the right end simultaneously The device rotates 90 degrees in the forward direction, while ① and ② in the middle rotate 90 degrees in the reverse direction simultaneously. The first support carriage moves horizontally and uniformly to the left along the second through groove so that the fifth support can pass over the oil pipe body from the middle position. Similarly, ① and ② in the middle rotate 90 degrees in the forward direction simultaneously, while ① and ② at the left end rotate 90 degrees in the reverse direction simultaneously. The first support carriage moves horizontally and uniformly to the left along the second through groove so that the fifth support can pass over the oil pipe body from the left end position. This allows the outer diameter of the second oil pipe body to be completed from right to left. Therefore, the operation of this utility model device is relatively simple.

[0022] 4) This utility model device adopts a symmetrical structure design. The use of axles enables the positioning and connection of four wheels and a first bracket. The use of the second bracket enables the first bracket to move horizontally along a predetermined trajectory. The combined use of the second bracket and bolts enables the relative setting of two third brackets. The combined use of the third bracket and bolts enables the positioning of a seventh bracket. The combined use of the seventh bracket and bolts enables the relative setting of six fourth brackets in pairs. The combined use of the fourth bracket and rolling bearings enables the directional swing of the sixth bracket, thereby achieving the function of alternately lifting the oil pipe body. The use of bolts enables the linkage of a fifth bracket and a first bracket. The use of the fifth bracket enables the outer diameter of the oil pipe body. Therefore, the performance of this utility model device is relatively good.

[0023] The external diameter-clearing device for the lower-switch type oil pipe provided by this utility model can achieve the purpose of alternating left and right sides to clear the external diameter of the oil pipe body. This utility model device has the characteristics of low manufacturing cost, simple operation and good use effect. Attached Figure Description

[0024] Figure 1 This is a front view schematic diagram of the external diameter device of the swing-down type oil pipe of this utility model when the fifth support passes through the middle position;

[0025] Figure 2 This is a left-side view of the external diameter device for the lower-swing type oil pipe of this utility model when the fifth support passes through the middle position.

[0026] Figure 3 This is a top view of the external diameter device of the swing-down type oil pipe of this utility model when the fifth support passes through the middle position.

[0027] Figure 4 This is a schematic diagram of the main structure of the first bracket and wheel after assembly of this utility model.

[0028] Figure 5 This is a schematic diagram of the left-side structure of the first bracket and wheel after assembly of this utility model;

[0029] Figure 6 This is a schematic diagram of the left-side structure of the second support of this utility model;

[0030] Figure 7 This is a top view of the second support structure of this utility model;

[0031] Figure 8 This is a schematic diagram of the left-side structure of the third support of this utility model;

[0032] Figure 9 This is a top view of the third support structure of this utility model;

[0033] Figure 10 This is a schematic diagram of the main structure of the fourth bracket of this utility model;

[0034] Figure 11 This is a schematic diagram of the left-side structure of the fourth bracket and a rolling bearing of this utility model after assembly.

[0035] Figure 12 This is a schematic diagram of the main structure of the fifth bracket of this utility model;

[0036] Figure 13 This is a schematic diagram of the left-side structure of the fifth support of this utility model;

[0037] Figure 14 This is a schematic diagram of the main structure of the sixth bracket of this utility model;

[0038] Figure 15 This is a schematic diagram of the left-side structure of the sixth bracket of this utility model;

[0039] Figure 16 This is a schematic diagram of the main structure of the seventh bracket of this utility model;

[0040] Figure 17 This is a schematic diagram of the left-side structure of the seventh bracket of this utility model;

[0041] Figure 18 This is a bottom view of the seventh support structure of this utility model;

[0042] Figure 19 This is a schematic diagram of the left-side view of the forward rotation structure of the sixth support of this utility model.

[0043] Figure 20 This is a schematic diagram of the left-side structure of the sixth support of the present invention, which rotates in the opposite direction.

[0044] Figure 21 This is a schematic diagram of the working state of the sixth support when the fifth support of this utility model is located on the left side of the first oil pipe body;

[0045] Figure 22 This is a schematic diagram of the working state of the sixth support when the fifth support of this utility model passes through the left end of the first oil pipe body from left to right.

[0046] Figure 23 This is a schematic diagram of the working state of the sixth support when the fifth support of this utility model passes through the middle part of the first oil pipe body from left to right.

[0047] Figure 24 This is a schematic diagram of the working state of the sixth support when the fifth support of this utility model passes through the right end of the first oil pipe body from left to right.

[0048] Figure 25 This is a schematic diagram of the working state of the sixth support when the fifth support of this utility model is located on the right side of the second oil pipe body.

[0049] Figure 26 This is a schematic diagram of the working state of the sixth support when the fifth support of this utility model passes through the right end of the second oil pipe body from right to left.

[0050] Figure 27 This is a schematic diagram of the working state of the sixth support when the fifth support of this utility model passes through the middle part of the second oil pipe body from right to left.

[0051] Figure 28 This is a schematic diagram of the working state of the sixth support when the fifth support of this utility model passes through the left end of the second oil pipe body from right to left.

[0052] Explanation of reference numerals in the attached drawings: 1-First bracket; 101-First body; 102-First boss; 103-Second boss; 104-First through hole; 105-First through groove; 106-Second through hole; 2-Second bracket; 201-Second body; 202-Third boss; 203-Fourth boss; 204-First screw hole; 205-Second through groove; 3-Third bracket; 301-Third body; 302-Fifth boss; 303-Sixth boss; 304-Third through hole; 305-Second screw hole; 4-Fourth bracket; 401-Fourth body; 402-Seventh boss; 403- Groove; 404-Fourth through hole; 405-Fifth through hole; 5-Fifth bracket; 501-Fifth body; 502-Eighth boss; 503-Sixth through hole; 504-Third screw hole; 6-Sixth bracket; 601-Sixth body; 602-Ninth boss; 603-Tenth boss; 604-Bearing section; 605-Third through groove; 7-Seventh bracket; 701-Seventh body; 702-Eleventh boss; 703-Twelfth boss; 704-Seventh through hole; 705-Fourth screw hole; 8-Bolt; 9-Rolling bearing; 10-Wheel; 11-Axle; 12-Oil pipe body. Detailed Implementation

[0053] The present invention will be described in detail below with reference to the embodiments and accompanying drawings. The embodiments are only for understanding the present invention and are not intended to limit the content of the present invention.

[0054] Combination Figures 1 to 3As shown, the lower-swept type external diameter device for oil pipes provided by this utility model includes a first support 1, a second support 2, two third supports 3, six fourth supports 4, a fifth support 5, six sixth supports 6, a seventh support 7, fifty-six bolts 8, twelve rolling bearings 9, four wheels 10, and four axles 11; wherein, the upper end face of the four third protrusions 202 of the horizontally arranged second support 2 is provided with four opposing third bodies 301 of the two third supports 3, and is connected by sixteen bolts 8; two eleventh protrusions 702 of the seventh support 7 pass through the left and right end faces of the two sixth protrusions 303 of the two third supports 3, and are connected by eight bolts 8; the left and right tenth protrusions 702 of the seventh support 7 pass through the left and right end faces of the twelve twelfth protrusions 703 of the seventh support 7. Outside the two end faces, there are twelve seventh protrusions 402 of the six fourth brackets 4 arranged in pairs and connected by twenty-four bolts 8; twelve rolling bearings 9 are inserted into the twelve grooves 403 of the six fourth brackets 4, and twelve bearing sections 604 of the six sixth brackets 6 arranged in pairs are inserted into the twelve rolling bearings 9; four wheels 10 are rolled in pairs on the upper end face of the second body 201 of the second bracket 2, and the four wheels 10 are inserted into the four first through grooves 105 of the first bracket 1 and connected by four axles 11; four eighth protrusions 502 of the fifth bracket 5 are inserted between the front and rear four end faces of the four first protrusions 102 of the first bracket 1 and connected by eight bolts 8.

[0055] The present invention provides an assembly method for a swing-down type tubing external diameter device.

[0056] Combination Figures 1 to 18 As shown, firstly, one second bracket 2 is horizontally set, then the four third bodies 301 of the two third brackets 3 are simultaneously set on the upper end face of the four third protrusions 202 of the second bracket 2, and the sixteen third through holes 304 of the two third brackets 3 and the sixteen first screw holes 204 of the second bracket 2 are aligned, and then the sixteen bolts 8 are passed through the sixteen third through holes 304 and screwed into the sixteen first screw holes 204. In this way, the two third brackets 3 and one second bracket 2 can be assembled.

[0057] Then, the two eleventh protrusions 702 of the seventh bracket 7 are inserted between the two sixth protrusions 303 of the two third brackets 3, and the eight seventh through holes 704 of the seventh bracket 7 and the eight second screw holes 305 of the two third brackets 3 are aligned. Then, the eight bolts 8 are passed through the eight seventh through holes 704 and screwed into the eight second screw holes 305. In this way, the seventh bracket 7 and the two third brackets 3 can be assembled.

[0058] Then, twelve rolling bearings 9 are installed in the twelve grooves 403 of the six fourth brackets 4, and then the six fourth brackets 4 are arranged in pairs facing each other. Then, the twelve bearing segments 604 of the six sixth brackets 6 are respectively inserted into the twelve rolling bearings 9. In this way, the six fourth brackets 4, the twelve rolling bearings 9 and the six sixth brackets 6 can be assembled.

[0059] Then, the twelve seventh protrusions 402 of the six fourth brackets 4 are respectively fitted onto the left and right twelve end faces of the twelve twelfth protrusions 703 of the seventh bracket 7, and the twenty-four fifth through holes 405 of the six fourth brackets 4 and the twenty-four fourth screw holes 705 of the seventh bracket 7 are aligned. Then, the twenty-four bolts 8 are passed through the twenty-four fifth through holes 405 and screwed into the twenty-four fourth screw holes 705. In this way, the six fourth brackets 4 and the seventh bracket 7 can be assembled.

[0060] Then, four wheels 10 are inserted into the four first through slots 105 of the first bracket 1, and the four axle holes of the four wheels 10 are aligned with the eight second through holes 106 of the first bracket 1. Then, four axles 11 are installed in the four sets of aligned through holes. In this way, one first bracket 1 and four wheels 10 can be assembled into a first bracket vehicle.

[0061] Then, the four eighth protrusions 502 of the fifth bracket 5 are simultaneously inserted between the four first protrusions 102 of the first bracket 1, and the eight third screw holes 504 of the fifth bracket 5 are aligned with the eight first through holes 104 of the first bracket 1. Then, the eight bolts 8 are passed through the eight first through holes 104 and screwed into the eight third screw holes 504. In this way, the fifth bracket 5 and the first bracket 1 can be assembled.

[0062] Finally, the four wheels 10 are placed on the upper end face of the second body 201 of the second bracket 2, and the four wheels 10 are simultaneously located within the two second through slots 205 provided at the front and rear of the second bracket 2. In this way, the entire device is assembled and can be put into use.

[0063] The principle for setting the swing direction of the sixth support of the downward swing type tubing external diameter device provided by this utility model

[0064] For ease of description, combined with Figure 1 and Figure 2 As shown, the two sixth supports 6 arranged in opposite directions can be considered as a group. Then, the six sixth supports 6 can be divided into three groups: one group located at the left end, one group located in the middle, and one group located at the right end. Let the sixth support 6 in the front position of each group be defined as ①, and the sixth support 6 in the back position be defined as ②. The twelve bearing segments 604 of the six sixth supports 6 are all gyratory shafts, and let them all be set to 0.

[0065] like Figure 2 As shown, assuming that initially the two ninth protrusions 602 of ① and ② in each group are horizontally arranged, after simplification as follows: Figure 19 As shown, along the two swing axes O, ① swings 90 degrees counterclockwise, and ② swings 90 degrees clockwise. Then, the two ninth protrusions 602 of ① and ② are both vertically arranged. We can define the swing direction of ① and ② as positive.

[0066] like Figure 2 As shown, assuming that initially the two ninth protrusions 602 of ① and ② in each group are vertically arranged, after simplification as follows: Figure 20 As shown, along the two swing axes O, ① swings 90 degrees clockwise, while ② swings 90 degrees counterclockwise. Then, the two ninth protrusions 602 of ① and ② are both horizontally arranged. We can define the swing directions of ① and ② as opposite.

[0067] The working principle of the swing-down type tubing external diameter device provided by this utility model

[0068] Since this utility model device can achieve the purpose of alternating left and right external diameter adjustment of the oil pipe body, two external diameter adjustment modes are set for the running route of the fifth support 5: a left-to-right external diameter adjustment mode and a right-to-left external diameter adjustment mode, which are described below:

[0069] I. Working principle of the outer diameter mode of this utility model device from left to right

[0070] Assuming that initially all three sets of ① and ② are horizontally arranged, the first support carriage is moved to the leftmost end of the second support 2 along the second through groove 205 of the second support 2, so that an oil pipe body 12 can be inserted from the front or the rear. (Simplified version follows...) Figure 21As shown; the three sets of ① and ② simultaneously rotate 90 degrees in the forward direction and are all set vertically. At this time, the six third through slots 605 of the three sets of ① and ② can be spliced ​​into three cylindrical through holes to lift the oil pipe body 12; at this time, the fifth bracket 5 is located at the leftmost end so that it can be sleeved over the oil pipe body 12 from the left end position;

[0071] All three sets of ① and ② are vertically arranged. In this case, the three sets of ① and ② function to lift the oil pipe body 12. The set of ① and ② located at the left end participates in the operation. The set of ① and ② located at the left end simultaneously rotates 90 degrees in opposite directions and is horizontally arranged. At this time, the two sets of ① and ② located in the middle and right ends function to lift the oil pipe body 12. The first support carriage moves horizontally and uniformly to the right along the second through slot 205 of the second support 2, so that the fifth support 5 can be passed through the sixth through hole 503 from the left end position over the oil pipe body 12. (Simplified version follows...) Figure 22 As shown;

[0072] The set of ① and ② located at the left end simultaneously rotates 90 degrees in the forward direction and is both vertically positioned. The set of ① and ② located in the middle participates in the operation. The set of ① and ② located in the middle simultaneously rotates 90 degrees in the reverse direction and is both horizontally positioned. At this time, the two sets of ① and ② located at the left and right ends play the role of lifting the oil pipe body 12. The first support vehicle moves horizontally and uniformly to the right along the second through groove 205 of the second support 2 so that the fifth support 5 can be passed through the sixth through hole 503 from the middle position over the oil pipe body 12. Simplified as follows: Figure 23 As shown;

[0073] The middle set of ① and ② simultaneously rotates 90 degrees in the forward direction and is both vertically positioned. The right set of ① and ② participates in the operation, and the right set of ① and ② simultaneously rotates 90 degrees in the reverse direction and is both horizontally positioned. At this time, the two sets of ① and ② located at the left and middle ends play the role of lifting the oil pipe body 12. The first support vehicle moves horizontally and uniformly to the right along the second through slot 205 of the second support 2 so that the fifth support 5 can be passed through the sixth through hole 503 from the right end position over the oil pipe body 12. Simplified as follows: Figure 24 As shown;

[0074] In summary, if the fifth support 5 can be smoothly fitted over the oil pipe body 12 from left to right, the outer diameter of the oil pipe body 12 should be deemed to be qualified; conversely, if the fifth support 5 gets stuck during the process of fitting the oil pipe body 12, whether at the left end, middle, right end, or other position of the oil pipe body 12, the outer diameter of the oil pipe body 12 should be deemed to be unqualified.

[0075] II. Working principle of the outer diameter mode of this utility model device from right to left

[0076] Assuming that initially all three sets of ① and ② are horizontally arranged, the first support carriage is moved to the rightmost end of the second support 2 along the second through groove 205 of the second support 2, so that an oil pipe body 12 can be inserted from the front or the rear. (Simplified version follows...) Figure 25 As shown; the three sets of ① and ② simultaneously rotate 90 degrees in the forward direction and are all vertically arranged. At this time, the six third through slots 605 of the three sets of ① and ② can be spliced ​​into three cylindrical through holes to lift the oil pipe body 12; at this time, the fifth bracket 5 is located at the rightmost end so that it can be sleeved over the oil pipe body 12 from the right end position;

[0077] All three sets of ① and ② are vertically arranged. In this case, the three sets of ① and ② function to lift the oil pipe body 12. The set of ① and ② located at the right end participates in the operation. The set of ① and ② located at the right end simultaneously rotates 90 degrees in opposite directions and is horizontally arranged. At this time, the two sets of ① and ② located at the left end and in the middle function to lift the oil pipe body 12. The first support vehicle moves horizontally and uniformly to the left along the second through slot 205 of the second support 2, so that the fifth support 5 can be passed through the sixth through hole 503 from the right end position over the oil pipe body 12. (Simplified version follows...) Figure 26 As shown;

[0078] The set of ① and ② located at the right end simultaneously rotates 90 degrees in the forward direction and is both vertically positioned. The set of ① and ② located in the middle participates in the operation. The set of ① and ② located in the middle simultaneously rotates 90 degrees in the reverse direction and is both horizontally positioned. At this time, the two sets of ① and ② located at the left and right ends play the role of lifting the oil pipe body 12. The first support carriage moves horizontally and uniformly to the left along the second through slot 205 of the second support 2 so that the fifth support 5 can be passed through the oil pipe body 12 from the middle position through the sixth through hole 503. Simplified as follows: Figure 27 As shown;

[0079] The middle set of ① and ② simultaneously rotates 90 degrees in the forward direction and is both vertically positioned. The left set of ① and ② participates in the operation, and the left set of ① and ② simultaneously rotates 90 degrees in the reverse direction and is both horizontally positioned. At this time, the middle and right sets of ① and ② play the role of lifting the oil pipe body 12. The first support carriage moves horizontally and uniformly to the left along the second through slot 205 of the second support 2 so that the fifth support 5 can be passed through the sixth through hole 503 from the left end position over the oil pipe body 12. Simplified as follows: Figure 28 As shown;

[0080] In summary, if the fifth support 5 can be smoothly fitted over the oil pipe body 12 from right to left, the outer diameter of the oil pipe body 12 should be deemed to be qualified; conversely, if the fifth support 5 gets stuck during the process of fitting the oil pipe body 12, whether at the right end, middle, left end, or other position of the oil pipe body 12, the outer diameter of the oil pipe body 12 should be deemed to be unqualified.

[0081] The method of using the swing-down type tubing external diameter device provided by this utility model

[0082] Initially, all three sets of ① and ② are horizontally positioned. Along the second through groove 205, the first support carriage is moved to the leftmost end of the second support 2, and the first oil pipe body 12 is inserted from the front or rear. All three sets of ① and ② simultaneously rotate 90 degrees forward to lift the oil pipe body 12. The sets of ① and ② located on the left simultaneously rotate 90 degrees in the opposite direction, and the first support carriage moves horizontally and uniformly to the right along the second through groove 205, so that the fifth support 5 can pass over the oil pipe body 12 from the left end. The sets of ① and ② located on the left simultaneously rotate 90 degrees forward. At a 0-degree angle, the ① and ② located in the middle simultaneously rotate 90 degrees in opposite directions, and move the first support vehicle horizontally and uniformly to the right along the second through groove 205, so that the fifth support 5 can pass through the oil pipe body 12 from the middle position; the ① and ② located in the middle simultaneously rotate 90 degrees in the forward direction, and the ① and ② located at the right end simultaneously rotate 90 degrees in opposite directions, and move the first support vehicle horizontally and uniformly to the right along the second through groove 205, so that the fifth support 5 can pass through the oil pipe body 12 from the right end position. In this way, the outer diameter of the first oil pipe body 12 can be completed from left to right;

[0083] The two sets of ① and ② located at the left end and the middle simultaneously rotate 90 degrees in opposite directions, moving the first support carriage along the second through groove 205 to the rightmost end of the second support 2, and inserting the second oil pipe body 12 from the front or rear position. The three sets of ① and ② simultaneously rotate 90 degrees in the forward direction to lift the oil pipe body 12. The ① and ② located at the right end simultaneously rotate 90 degrees in opposite directions, moving the first support carriage horizontally and uniformly to the left along the second through groove 205, so that the fifth support 5 can pass over the oil pipe body 12 from the right end position. The ① and ② located at the right end simultaneously rotate 90 degrees in opposite directions to move the first support carriage horizontally and uniformly to the left, so that the fifth support 5 can pass over the oil pipe body 12 from the right end position. The first support vehicle moves horizontally and at a constant speed to the left along the second through groove 205, with the first support vehicle swaying 90 degrees in the forward direction and the first support vehicle swaying 90 degrees in the reverse direction, while the first support vehicle swayes 90 degrees in the left direction, while the first support vehicle swayes 90 degrees in the right direction, while the first support vehicle swayes 90 degrees in the left ...

[0084] Supplementary Explanation: The swing-type tubing external diameter device provided by this utility model adopts a symmetrical structure design. Firstly, based on the outer diameter specifications, fixed length, and installation height of the tubing, multiple specifications of this utility model device should be designed and manufactured to match them. The tubing is inserted from either the front or rear position. Initially, the three sets of sixth supports are horizontally positioned, and the first support is moved to the leftmost end of the second support. A tubing is then stably placed within the three cylindrical through holes formed by the six third through slots from either the front or rear position. Due to image size limitations, this utility model only provides a structural diagram showing the three sets of sixth supports evenly arranged. This presents a problem: when the set of sixth supports on the left is in operation, the sets in the middle and... The two sets of sixth supports at the right end serve to lift the oil pipe body. Similarly, when the set of sixth supports at the right end is in operation, the two sets of sixth supports at the left end and the middle serve to lift the oil pipe body. Since the oil pipe body is located in the middle position, the vertical symmetry plane of the oil pipe body and the vertical symmetry plane of the set of sixth supports in the middle can coincide. If the oil pipe body deviates from the middle position, there is a risk of the oil pipe body overturning due to instability. Considering factors such as equipment installation and operation, the best way to use this utility model is to evenly set four or five sets of sixth supports. In this way, when the fifth support passes over the oil pipe body from one position, the three or four sets of sixth supports in the other three or four positions can evenly lift the oil pipe body, thereby avoiding the occurrence of instability.

[0085] As can be seen from the embodiments, the external diameter-clearing device for the lower-switch type oil pipe provided by this utility model can achieve the purpose of alternating left and right sides to clear the external diameter of the oil pipe body. This utility model device has the characteristics of low manufacturing cost, simple operation and good performance.

[0086] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features.

Claims

1. A bottom-out tubing string external casing drift, comprising: The lower-swept tubing external diameter device includes: a first support (1), a second support (2), two third supports (3), six fourth supports (4), a fifth support (5), six sixth supports (6), a seventh support (7), fifty-six bolts (8), twelve rolling bearings (9), four wheels (10) and four axles (11), wherein: The first bracket (1) is composed of a first body (101), four first protrusions (102) and eight second protrusions (103) connected together. The first body (101) and the first protrusions (102) are both symmetrical rectangular parallelepiped structures. The four first protrusions (102) are arranged opposite each other in pairs and are located on the upper end face of the first body (101). The eight second protrusions (103) are divided into four groups and are located on the lower end face of the first body (101). Two cylinders are symmetrically opened on the rear end face of the first protrusions (102). A first through hole (104) is shaped like a body, and the bolt (8) is inserted through the first through hole (104); the vertical cross section of the second boss (103) is a symmetrical structure in the shape of an isosceles trapezoid, and a first through groove (105) in the shape of an isosceles trapezoid can be formed between the two second bosses (103) in each group, and the wheel (10) is inserted through the first through groove (105); a cylindrical second through hole (106) is opened on the rear end face of the second boss (103), and the axle (11) is inserted through the second through hole (106); The second bracket (2) is composed of a second body (201), four third protrusions (202) and eight fourth protrusions (203). The second body (201), the third protrusions (202) and the fourth protrusions (203) are all symmetrical cuboid structures. The four third protrusions (202) are arranged opposite each other and are located on the upper surface of the second body (201). The eight fourth protrusions (203) are divided into four groups and are located on the upper surface of the second body (201). The upper surface of the third protrusion (202) is symmetrically provided with four first screw holes (204). A cuboid second through groove (205) can be formed between the two fourth protrusions (203) in each group for guiding the wheel (10). The third bracket (3) is composed of two third bodies (301), two fifth protrusions (302), and a sixth protrusion (303). The third bodies (301), the fifth protrusions (302), and the sixth protrusion (303) are all symmetrical rectangular parallelepiped structures. The two third bodies (301) are arranged opposite each other, and the two fifth protrusions (302) are arranged opposite each other and are respectively located on the upper end face of the two third bodies (301). The sixth protrusion (303) is located on the upper end face of the two fifth protrusions (302). The upper end face of the third body (301) is symmetrically provided with four cylindrical third through holes (304), and the bolts (8) are inserted into the third through holes (304). The left end face of the sixth protrusion (303) is symmetrically provided with four second screw holes (305). The fourth bracket (4) is composed of a fourth body (401) and two seventh protrusions (402). The fourth body (401) and the seventh protrusions (402) are both rectangular parallelepiped symmetrical structures. The two seventh protrusions (402) are arranged opposite to each other and are located on the upper surface of the fourth body (401). The left end face of the fourth body (401) has two cylindrical grooves (403) symmetrically opened. The rolling bearing (9) is installed in the grooves (403). A cylindrical fourth through hole (404) is opened at the axial part of the grooves (403). The bearing section (604) of the sixth bracket (6) is installed in the fourth through hole (404). The left end face of the seventh protrusion (402) has two cylindrical fifth through holes (405) symmetrically opened. The bolt (8) is installed in the fifth through hole (405). The fifth bracket (5) is composed of a fifth body (501) and four eighth protrusions (502). The fifth body (501) and the eighth protrusions (502) are both rectangular parallelepiped symmetrical structures. The four eighth protrusions (502) are arranged opposite each other and are located on the lower end face of the fifth body (501). A cylindrical sixth through hole (503) is opened in the middle part of the left end face of the fifth body (501). The sixth through hole (503) is used to pass through the oil pipe body. Two third screw holes (504) are symmetrically opened on the rear end face of the eighth protrusions (502). The sixth bracket (6) is composed of a sixth body (601), a ninth boss (602), a tenth boss (603), and two bearing sections (604). The sixth body (601), the ninth boss (602), and the tenth boss (603) are all symmetrical rectangular parallelepiped structures. The ninth boss (602) is located on the lower end face of the sixth body (601), and the tenth boss (603) is located at the lower end of the ninth boss (602). On the face, the two bearing segments (604) are arranged opposite to each other and are located on the left and right end faces of the sixth body (601); the bearing segment (604) is a cylindrical symmetrical structure for passing through the rolling bearing (9); the front end face and the rear end face of the tenth boss (603) are respectively provided with a semi-cylindrical third through groove (605), and two adjacent third through grooves (605) can be spliced ​​to form a cylindrical through hole, and the through hole is used to pass through the oil pipe body; The seventh bracket (7) is composed of two seventh bodies (701), two eleventh protrusions (702), and twelve twelfth protrusions (703). The seventh body (701), the eleventh protrusion (702), and the twelfth protrusion (703) are all symmetrical rectangular parallelepiped structures. The two seventh bodies (701) are arranged opposite each other, and the two eleventh protrusions (702) are arranged opposite each other and are located on the left and right end faces of the two seventh bodies (701), respectively. The twelve twelfth protrusions (703) are divided into two groups and are located on the lower end faces of the two seventh bodies (701), respectively. The left end face of the eleventh protrusion (702) is symmetrically provided with four cylindrical seventh through holes (704), and the bolts (8) are inserted into the seventh through holes (704). The left end face of the twelfth protrusion (703) is symmetrically provided with two fourth screw holes (705).

2. The bottom hang tubing string external casing collar locator of claim 1, wherein, The bolts (8) are screwed into the first screw hole (204), the second screw hole (305), the third screw hole (504) and the fourth screw hole (705).

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