A device for hoisting oil pipe body in double position

Abstract

The utility model discloses a device of double position hoist and carry oil pipe body belongs to the technical field of steel pipe production auxiliary hoist and carry equipment. The device of double position hoist and carry oil pipe body provided includes two first support, a second support, four third support, four fourth support, two fifth support, two sixth support, four work pole, forty bolts, eight rolling bearing, four wheels and four axle, the device can realize the purpose of stable hoist and carry two oil pipe body, and has the characteristics of low manufacturing cost, simple operation and good use effect.

Description

Technical Field

[0001] This utility model belongs to the technical field of auxiliary hoisting equipment for steel pipe production, and specifically relates to a device for hoisting oil pipe bodies in a dual-station configuration. Background Technology

[0002] Currently, large seamless steel pipe enterprises are producing tubing or casing products. In the production or processing of tubing, frequent lifting operations are required to move tubing from one workstation to another. Most enterprises typically use a combination of crane and nylon straps to complete the lifting tasks. However, due to the special annular cross-section and relatively long longitudinal dimension of the tubing, if the nylon straps are misaligned, the tubing is prone to tilting or even falling off during lifting, with potentially disastrous consequences. Since cranes are special operating equipment requiring certification, they pose certain safety hazards and have relatively low production efficiency. Therefore, it is necessary to develop a device capable of smoothly lifting two tubing sections to meet the needs of the production or processing fields.

[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 201920806048.X discloses a steel pipe hoisting device, which mainly includes a wire rope, a limiting wheel, a support rod, a guide wheel, a support frame, a hook, a connecting rod, a reinforcing rod, a limiting block, a lifting rod, a rubber pad, a rotating shaft, a fixing block, a grab hook, a stop block, a connecting shaft, a fixing block, a rack, a belt, and a clamp. This device has a novel design and ingenious concept. The combined use of the rack and other components enables the fixing block to rotate, the use of the limiting block prevents the fixing block from sliding, the use of the grab hook prevents the steel pipe from falling, and the use of the belt prevents the steel pipe from bending and deforming. Since this device uses a wire rope + grab hook to fix both ends of the steel pipe, it is a flexible connection and its hoisting stability is relatively poor.

[0005] Patent document CN 202121126110.4 discloses a large-diameter steel pipe hoisting device, which mainly includes a horizontal lifting beam, a lifting plate, an inclined beam, a clamping plate, a bottom plate, an electric hoist, a chain, a lifting hook, a slide rail, and bolts. The device has a novel design and ingenious concept. The use of bolts can achieve a firm connection between the inclined beam and the clamping plate. The combined use of the horizontal lifting beam, the inclined beam, and the lifting plate can form a triangular frame to ensure the balanced force on the steel pipe. The integrated structure of the clamping plate and the bottom plate can achieve a tight connection of the device. The use of the electric hoist can realize the lifting and horizontal movement of the steel pipe. Since the device uses a chain + lifting hook to fix both ends of the steel pipe, the device is also a flexible connection and the hoisting stability is relatively poor.

[0006] Patent document CN 202322763407.7 discloses a steel pipe hoisting device for building construction, which mainly includes a hoisting device, a limiting device, a gripping device, a fixed column, a sliding bar, a spring, a baffle, a handle, a limiting block, a bolt, a hook, a slide rail, a rotating shaft, a locking block, and a fixing plate. The device has a novel design and ingenious concept. The use of the gripping device can realize the opening and closing of the hook, thereby realizing the free gripping of the steel pipe. The use of the spring can not only adjust the fixed width to adapt to steel pipes of different specifications and quantities, but also realize the reinforcement of both ends of the steel pipe. Although the device is not a flexible connection, it is designed for hoisting whole bundles of steel pipes for building construction. Therefore, it is not suitable for hoisting oil pipes with relatively high quality requirements. Utility Model Content

[0007] To overcome one or more problems existing in the prior art, this utility model provides a dual-station lifting device for oil pipe bodies. This utility model is designed based on a symmetrical structure. The combined use of the first support, wheels, and axle forms a first support vehicle. The use of the second support enables the first support vehicle to reach a predetermined position along a predetermined trajectory. The combined use of the first support and bolts enables the relative arrangement of two fifth supports. The combined use of the fifth support and bolts enables the pairwise relative arrangement of four fourth supports. The combined use of the fourth support and rolling bearings enables the directional swing of the third support, thereby simultaneously lifting and lowering two oil pipe bodies. The combined use of the second support and bolts enables the relative arrangement of two sixth supports. The use of the sixth supports enables the positioning of the oil pipe body. The combined use of the working rod and the third support enables the stable insertion of the four ends of the oil pipe body, thereby achieving smooth lifting 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 device for lifting oil pipes in a dual-position configuration provided by this utility model includes two first supports, one second support, four third supports, four fourth supports, two fifth supports, two sixth supports, four working rods, forty bolts, eight rolling bearings, four wheels, and four axles.

[0010] The first bracket is composed of two first bodies, two first protrusions, four second protrusions, and one third protrusion connected together. The first bodies, first protrusions, and third protrusions are all symmetrical rectangular parallelepiped structures. The two first bodies are arranged facing each other horizontally. The two first protrusions are also arranged facing each other horizontally and are located on the upper surfaces of the two first bodies. The four second protrusions are divided into two groups, with each group of second protrusions facing each other horizontally and located on the lower surfaces of the two first bodies. The third protrusion is located between the two first protrusions. The vertical cross-section of the second protrusion is a symmetrical isosceles trapezoidal shape. A first through-slot in the shape of an isosceles trapezoid can be formed between the two second protrusions in each group, and the wheel passes through the first through-slot. A cylindrical first through-hole is opened at the lower left end of the second protrusion, and the axle passes through the first through-hole. Two sets of four cylindrical second through-holes are symmetrically opened on the rear end face of the third protrusion, and bolts pass through the second through-holes.

[0011] The second bracket consists of a second body, sixteen fourth protrusions, and four fifth protrusions connected together. The second body, the fourth protrusions, and the fifth protrusions are all symmetrical cuboid structures. The sixteen fourth protrusions are divided into four groups, with each group of four protrusions arranged opposite each other and simultaneously located on the upper surface of the second body. The four fifth protrusions are divided into two groups, with each group of five protrusions arranged opposite each other and simultaneously located on the upper surface of the second body. A first screw hole is provided in the middle of the upper surface of each fourth protrusion, and a bolt is screwed into the first screw hole, which also penetrates the second body. A cuboid second through groove can be formed between the two fifth protrusions in each group for guiding the wheel.

[0012] The third bracket is composed of a third body, a sixth boss, a seventh boss, two eighth bosses, and two bearing sections connected together. The third body, the sixth boss, and the seventh boss are all symmetrical cuboid structures. The sixth boss is located on the lower end face of the third body, and the seventh boss is located on the lower end face of the sixth boss. The two eighth bosses are arranged opposite each other and are located on the left and right end faces of the seventh boss, respectively. The two bearing sections are arranged opposite each other and are located on the left and right end faces of the third body, respectively. The eighth boss is a symmetrical cylindrical structure, and a second screw hole is opened at the axial part of the eighth boss. The working rod is screwed into the second screw hole, and the second screw hole also passes through the seventh boss. The bearing section is a symmetrical cylindrical structure used to carry the rolling bearing.

[0013] The fourth bracket consists of a fourth body and two ninth protrusions connected together. Both the fourth body and the ninth protrusions are symmetrical rectangular parallelepiped structures. The two ninth 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 bearings are inserted into the grooves. A cylindrical third through hole is formed at the axis of the grooves, and the bearing section of the third bracket is inserted into the third through hole. The left end face of the ninth protrusion has two cylindrical fourth through holes symmetrically formed, and the bolts are inserted into the fourth through holes.

[0014] The fifth bracket is composed of a fifth body, four tenth protrusions, and four eleventh protrusions connected together. The fifth body, the tenth protrusions, and the eleventh protrusions are all symmetrical cuboid structures. The four tenth protrusions are arranged opposite each other in pairs and are located on the upper end face of the fifth body. The four eleventh protrusions are arranged opposite each other in pairs and are located on the lower end face of the fifth body. A third screw hole is opened in the middle of the rear end face of the tenth protrusion, and the bolt is screwed into the third screw hole. Two fourth screw holes are symmetrically opened on the left end face of the eleventh protrusion, and the bolt is screwed into the fourth screw hole.

[0015] The sixth bracket is composed of two sixth bodies, two twelfth protrusions, and one thirteenth protrusion connected together. The sixth bodies, the twelfth protrusions, and the thirteenth protrusions are all symmetrical cuboid structures. The two sixth bodies are arranged facing each other front to back. The two twelfth protrusions are arranged facing each other front to back and are respectively located on the upper end face of the two sixth bodies. The thirteenth protrusion is located on the upper end face of the two twelfth protrusions. The upper end face of the sixth body has four cylindrical fifth through holes symmetrically opened, and the bolts are inserted into the fifth through holes.

[0016] In some embodiments, the working rod is composed of a coaxial rotating section, a threaded section, an isolating section, a guard section, and an insertion section connected together. The rotating section, threaded section, isolating section, guard section, and insertion section are all cylindrical symmetrical structures. The threaded section is located on the right end face of the rotating section, the isolating section is located on the right end face of the threaded section, the guard section is located on the right end face of the isolating section, and the insertion section is located on the right end face of the guard section. The diameters of the rotating section and the isolating section should be equal and both smaller than the diameter of the threaded section. The diameter of the guard section should be slightly larger than the inner diameter of the tubing body, and the diameter of the insertion section should be slightly smaller than the inner diameter of the tubing body. The circumferential surface of the threaded section is threaded for screwing into the second threaded hole of the third bracket.

[0017] The beneficial effects of this utility model are as follows:

[0018] 1) The dual-station lifting device for oil pipe bodies provided by this utility model includes two first supports, one second support, four third supports, four fourth supports, two fifth supports, two sixth supports, four working rods, forty bolts, eight 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.

[0019] 2) When using this utility model, initially both sets ① and ② are vertically arranged, and the two oil pipe bodies are positioned on the two thirteenth protrusions of the two sixth supports. The first support carriage is moved to the predetermined position along the second through groove of the second support, while simultaneously driving four second servo motors in the forward direction so that the four insertion sections of the four working rods can be inserted into the four ports of the two oil pipe bodies at the same time. At the same time, the four first servo motors are driven in the forward direction so that the four third supports are all horizontally arranged. The first support carriage is moved horizontally at a constant speed to lift the two oil pipe bodies to the next operating position, while simultaneously driving four first servo motors in the reverse direction so that the four third supports are all vertically arranged. At the same time, the four second servo motors are driven in the reverse direction so that the four insertion sections of the four working rods can be simultaneously pulled out from the four ports of the two oil pipe bodies. Therefore, the operation of this utility model device is relatively simple.

[0020] 3) This utility model is designed based on a symmetrical structure. The combined use of the first bracket, wheels, and axle can form a first bracket vehicle. The use of the second bracket enables the first bracket vehicle to reach a predetermined position along a predetermined trajectory. The combined use of the first bracket and bolt enables the relative setting of two fifth brackets. The combined use of the fifth bracket and bolt enables the relative setting of four fourth brackets in pairs. The combined use of the fourth bracket and rolling bearing enables the directional swing of the third bracket, thereby achieving the simultaneous lifting and lowering of two oil pipe bodies. The combined use of the second bracket and bolt enables the relative setting of two sixth brackets. The use of the sixth bracket enables the positioning of the oil pipe body. The combined use of the working rod and the third bracket enables the stable insertion of the four ends of the oil pipe body, thereby achieving the smooth lifting of the oil pipe body. Therefore, the device of this utility model has a relatively good performance.

[0021] The dual-station lifting device for oil pipes provided by this utility model can achieve the purpose of stable lifting of oil pipes in both stations. This utility model device has the characteristics of low manufacturing cost, simple operation and good performance. Attached Figure Description

[0022] Figure 1 This is a front view structural diagram of the dual-station lifting device for oil pipe bodies of this utility model when centering two oil pipe bodies.

[0023] Figure 2 This is a left-side structural schematic diagram of the dual-station lifting device for oil pipe bodies of this utility model when centering two oil pipe bodies.

[0024] Figure 3 This is a front view schematic diagram of the dual-station lifting device for oil pipe bodies of this utility model when lifting two oil pipe bodies.

[0025] Figure 4 This is a left-side structural schematic diagram of the dual-station lifting device for oil pipe bodies of this utility model when lifting two oil pipe bodies.

[0026] Figure 5 This is a top view of the dual-position lifting device for oil pipe bodies of this utility model when lifting two oil pipe bodies.

[0027] Figure 6 This is a schematic diagram of the main structure of the first bracket and wheel after assembly of this utility model.

[0028] Figure 7 This is a schematic diagram of the left side of the first support structure of this utility model;

[0029] Figure 8 This is a top view of the first support structure of this utility model;

[0030] Figure 9 This is a schematic diagram of the front view of the second support structure of this utility model;

[0031] Figure 10 This is a top view of the second support structure of this utility model;

[0032] Figure 11 This is a schematic diagram of the main structure of the third support of this utility model;

[0033] Figure 12 This is a schematic diagram of the left-side structure of the third support of this utility model;

[0034] Figure 13 This is a schematic diagram of the main structure of the fourth bracket of this utility model;

[0035] Figure 14 This is a schematic diagram of the left-side structure of the fourth bracket and a rolling bearing of this utility model after assembly.

[0036] Figure 15 This is a schematic diagram of the front view of the fifth bracket of this utility model;

[0037] Figure 16 This is a schematic diagram of the left-side structure of the fifth support of this utility model;

[0038] Figure 17This is a schematic diagram of the left-side structure of the sixth bracket of this utility model;

[0039] Figure 18 This is a top view of the sixth support structure of this utility model;

[0040] Figure 19 This is a schematic diagram of the main structure of the working rod of this utility model;

[0041] Figure 20 This is a schematic diagram of the left-hand structure of the third support of this utility model in the forward rotation direction;

[0042] Figure 21 This is a schematic diagram of the left-side structure of the third support of this utility model, which rotates in the opposite direction.

[0043] Figure 22 This is a schematic diagram of the left-side structure of the working rod of this utility model when it is rotating forward.

[0044] Figure 23 This is a schematic diagram of the left-side structure when the working rod of this utility model is rotated out in the reverse direction.

[0045] Explanation of reference numerals in the attached drawings: 1-First bracket; 101-First body; 102-First boss; 103-Second boss; 104-Third boss; 105-First through slot; 106-First through hole; 107-Second through hole; 2-Second bracket; 201-Second body; 202-Fourth boss; 203-Fifth boss; 204-First screw hole; 205-Second through slot; 3-Third bracket; 301-Third body; 302-Sixth boss; 303-Seventh boss; 304-Eighth boss; 305-Bearing section; 306-Second screw hole; 4-Fourth bracket; 401-Fourth body; 40 2- Ninth boss; 403- Groove; 404- Third through hole; 405- Fourth through hole; 5- Fifth bracket; 501- Fifth body; 502- Tenth boss; 503- Eleventh boss; 504- Third screw hole; 505- Fourth screw hole; 6- Sixth bracket; 601- Sixth body; 602- Twelfth boss; 603- Thirteenth boss; 604- Fifth through hole; 7- Working rod; 701- Threaded section; 702- Rotating section; 703- Isolation section; 704- Guard section; 705- Insertion section; 8- Bolt; 9- Rolling bearing; 10- Wheel; 11- Axle; 12- Oil pipe body. Detailed Implementation

[0046] 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.

[0047] Combination Figures 1 to 5As shown, this utility model provides a device for lifting oil pipe bodies in a dual-station configuration, comprising two first supports 1, one second support 2, four third supports 3, four fourth supports 4, two fifth supports 5, two sixth supports 6, four working rods 7, forty bolts 8, eight rolling bearings 9, four wheels 10, and four axles 11. The sixteen end faces of the sixteen fourth protrusions 202 of one horizontally positioned second support 2 are provided with four opposing sixth bodies 601 of the two sixth supports 6, connected by the sixteen bolts 8. The upper end face of the second body 201 of the second support 2 simultaneously rotates with two opposing wheels 10, guided by the four fifth protrusions 203. The four wheels 10 are respectively mounted on the two opposing first supports 7. The four first through slots 105 of the frame 1 are connected by four axles 11; eight tenth protrusions 502 of two opposing fifth brackets 5 are passed between the two third protrusions 104 of the two first brackets 1 and are connected by eight bolts 8; eight ninth protrusions 402 of four opposing fourth brackets 4 are provided outside the eight end faces of the eight eleventh protrusions 503 of the two fifth brackets 5 and are connected by sixteen bolts 8; eight rolling bearings 9 are passed through the eight grooves 403 of the four fourth brackets 4, eight bearing sections 305 of four opposing third brackets 3 are passed through the eight rolling bearings 9, and four working rods 7 are screwed into the four second screw holes 306 of the four third brackets 3.

[0048] The assembly process of the dual-station lifting device for oil pipe bodies provided by this utility model

[0049] Combination Figures 1 to 19 As shown, firstly, one second bracket 2 is horizontally positioned, then two sixth brackets 6 are positioned opposite each other, and four sixth bodies 601 are simultaneously positioned on the sixteen end faces of the sixteen fourth protrusions 202 of the second bracket 2. The sixteen fifth through holes 604 of the two sixth brackets 6 and the sixteen first screw holes 204 of the second bracket 2 are aligned. Then, sixteen bolts 8 are passed through the sixteen fifth through holes 604 and screwed into the sixteen first screw holes 204. In this way, the two sixth brackets 6 and one second bracket 2 can be assembled.

[0050] Then, the two first brackets 1 are arranged front to back and back to each other, and the two fifth brackets 5 are arranged left to right and back to each other. The eight tenth protrusions 502 are simultaneously inserted between the two third protrusions 104 of the two first brackets 1. The eight third screw holes 504 of the two fifth brackets 5 and the eight second through holes 107 of the two first brackets 1 are aligned. Then, the eight bolts 8 are passed through the eight second through holes 107 and screwed into the eight third screw holes 504. In this way, the two fifth brackets 5 and the two first brackets 1 can be assembled.

[0051] Then, eight rolling bearings 9 are installed in the eight grooves 403 of the four fourth brackets 4, and the four fourth brackets 4 are arranged in pairs facing each other. Then, the eight bearing segments 305 of the four third brackets 3 are respectively inserted into the eight rolling bearings 9. In this way, the four fourth brackets 4, the eight rolling bearings 9 and the four third brackets 3 can be assembled.

[0052] Then, the eight ninth protrusions 402 of the four fourth brackets 4 are respectively fitted onto the left and right eight end faces of the eight eleventh protrusions 503 of the two fifth brackets 5, and the sixteen fourth through holes 405 of the four fourth brackets 4 and the sixteen fourth screw holes 505 of the two fifth brackets 5 are aligned. Then, the sixteen bolts 8 are passed through the sixteen fourth through holes 405 and screwed into the sixteen fourth screw holes 505. In this way, the four fourth brackets 4 and the two fifth brackets 5 can be assembled.

[0053] Then, four wheels 10 are inserted into the four first through slots 105 of the two first brackets 1, and the four axle holes of the four wheels 10 are aligned with the eight first through holes 106 of the two first brackets 1. Then, four axles 11 are installed in the four sets of aligned through holes. In this way, the two first brackets 1 and the four wheels 10 can be assembled into a first bracket vehicle.

[0054] Then, the four wheels 10 are simultaneously 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 of the second bracket 2. Finally, the four threaded sections 701 of the four working rods 7 are screwed into the four second screw holes 306 of the four third brackets 3 respectively. In this way, the entire device is assembled and can be put into use.

[0055] The principle for setting the swing direction of the third support in the dual-station lifting device for oil pipes provided by this utility model.

[0056] Combination Figure 2 and Figure 4As shown in the schematic diagram of the left view structure of the device of this utility model, for ease of description, the two third supports 3 arranged in opposite directions are considered as a group. Then the four third supports 3 can be divided into two groups, one group located at the left end and the other group located at the right end. Let the third support 3 in the front position in each group be defined as ① and the third support 3 in the back position be defined as ②. The eight bearing segments 305 of the four third supports 3 are all swing shafts, and let them all be set to 0.

[0057] like Figure 2 As shown, assuming that initially each group of ① and ② is vertically arranged, that is, the two sixth protrusions 302 of ① and ② are both vertically arranged, the simplified version is as follows: Figure 20 As shown, along the two swing axes O, ① swings 90 degrees clockwise, and ② swings 90 degrees counterclockwise. Then, both ① and ② are horizontally arranged, that is, both sixth protrusions 302 of ① and ② are horizontally arranged. We can define the swing directions of ① and ② as positive.

[0058] like Figure 4 As shown, assuming that initially each group of ① and ② is horizontally positioned, that is, the two sixth protrusions 302 of ① and ② are both horizontally positioned, the simplified result is as follows: Figure 21 As shown, along the two swing axes O, ① swings 90 degrees counterclockwise, while ② swings 90 degrees clockwise. Thus, both ① and ② are vertically arranged, meaning that the two sixth protrusions 302 of ① and ② are vertically arranged. We can define the swing directions of ① and ② as opposite.

[0059] In order to achieve precise swinging of the four third supports 3, four first couplings, four reducers and four first servo motors can be installed on the four bearing sections 305 on one side of the four third supports 3. Since the encoder can detect the position, speed and acceleration of the rotor in time and feed this information back to the servo driver in time, the precise control of the first servo motor can be achieved. The reducer can convert the relatively high speed of the first servo motor into a relatively low speed. Therefore, by driving the four first servo motors, the precise swinging of the four third supports 3 can be achieved.

[0060] For ease of description, let's define the direction of rotation of the four first servo motors when ① and ② can swing forward simultaneously as forward, and the direction of rotation of the four first servo motors when ① and ② can swing backward simultaneously as reverse.

[0061] The principle for setting the rotation direction of the working rod in the dual-position lifting device for oil pipes provided by this utility model.

[0062] Combination Figure 2 and Figure 4 As shown in the left-side view of the device of this utility model, for ease of description, the two working rods 7 arranged opposite each other can be considered as a group. Then the four working rods 7 can be divided into two groups, one on the left and one on the right. When viewed from the left, the working rod 7 in the left group that is in front can be defined as ③ and the working rod 7 in the back can be defined as ④. When viewed from the right, the working rod 7 in the right group that is in the back can be defined as ③ and the working rod 7 in the front can be defined as ④.

[0063] like Figure 1 As shown, assuming that initially both sets of ③ and ④ are in the outward position, that is, the four insertion segments 705 of both sets of ③ and ④ are located outside the four ports of the two oil pipe bodies 12, and both sets of ③ and ④ rotate clockwise simultaneously, after a period of time, both sets of ③ and ④ are in the inward position, that is, the four insertion segments 705 of both sets of ③ and ④ are inserted inside the four ports of the two oil pipe bodies 12. We can define this rotation direction of both sets of ③ and ④ as positive, and simplify as follows: Figure 22 As shown;

[0064] like Figure 3 As shown, assuming that initially both sets of ③ and ④ are in the screw-in position, that is, the four insertion segments 705 of both sets of ③ and ④ are inserted inside the four ports of the two oil pipe bodies 12, and both sets of ③ and ④ rotate counterclockwise simultaneously, after a period of time, both sets of ③ and ④ are in the screw-out position, that is, the four insertion segments 705 of both sets of ③ and ④ are outside the four ports of the two oil pipe bodies 12. We can define this rotation direction of both sets of ③ and ④ as reverse, which simplifies as follows: Figure 23 As shown;

[0065] In order to achieve precise rotation of the four working rods 7, four second couplings and four second servo motors can be installed on the four rotating sections 702 of the four working rods 7. Since the encoder can detect the position, speed and acceleration of the rotor in a timely manner and feed this information back to the servo driver in a timely manner, the precise control of the second servo motors can be achieved. Therefore, by driving the four second servo motors, the precise rotation of the four working rods 7 can be achieved.

[0066] For ease of description, let's define the direction of rotation of the four second servo motors when the four working rods 7 are simultaneously rotated in as positive, and the direction of rotation of the four second servo motors when the four working rods 7 are simultaneously rotated out as negative.

[0067] The method of using the dual-station lifting device for oil pipe bodies provided by this utility model

[0068] Initially, both sets ① and ② are vertically arranged, and the two oil pipe bodies 12 are positioned on the two thirteenth protrusions 603 of the two sixth supports 6. Then, the first support carriage is moved to the predetermined position along the second through groove 205 of the second support 2. At this time, the four working rods 7 are respectively aligned with the four left and right ports of the two oil pipe bodies 12, as shown. Figure 1 and Figure 2 As shown; then simultaneously drive the four second servo motors in the forward direction so that the four insertion sections 705 of the four working rods 7 can be simultaneously inserted into the four ports of the two oil pipe bodies 12, and then simultaneously drive the four first servo motors in the forward direction so that the four third supports 3 are all horizontally arranged, as shown. Figure 3 and Figure 4 As shown; then the first support vehicle is moved horizontally at a constant speed to lift the two oil pipe bodies 12 to the next operating position, and then the four first servo motors are driven in reverse so that the four third supports 3 are all set vertically, and then the four second servo motors are driven in reverse so that the four insertion sections 705 of the four working rods 7 can be pulled out from the four ports of the two oil pipe bodies 12 at the same time.

[0069] Supplementary Explanation: The dual-station lifting device for oil pipes provided by this utility model adopts a symmetrical structure design. First, according to the inner diameter, fixed length, setting height, and interval distance between the two oil pipes, a device of this utility model with corresponding specifications should be designed and manufactured to match it. The setting height of the thirteenth protrusion of the sixth support should meet the following conditions: when the four sixth protrusions of the four third supports are all vertically set, the axes of the four working rods and the axes of the two oil pipes positioned on the two thirteenth protrusions should be at the same height. The predetermined position of the first support vehicle refers to the position of the first support vehicle when the four sixth protrusions of the four third supports are all vertically set, and the two axes of the four working rods are exactly aligned with the two axes of the two oil pipes. The first support vehicle should have the ability to move horizontally on its own so as to facilitate the convenient and quick lifting of the two oil pipes.

[0070] As can be seen from the embodiments, the dual-station lifting device for oil pipes provided by this utility model can achieve the purpose of stable lifting of oil pipes in both stations. This utility model device has the characteristics of low manufacturing cost, simple operation and good performance.

[0071] 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 device for lifting oil pipe bodies at two stations, characterized in that, The dual-station lifting device for the oil pipe body includes: two first supports (1), one second support (2), four third supports (3), four fourth supports (4), two fifth supports (5), two sixth supports (6), four working rods (7), forty bolts (8), eight rolling bearings (9), four wheels (10), and four axles (11), wherein: The first bracket (1) is composed of two first bodies (101), two first protrusions (102), four second protrusions (103), and one third protrusion (104). The first bodies (101), the first protrusions (102), and the third protrusion (104) are all symmetrical rectangular structures. The two first bodies (101) are arranged opposite each other on the left and right. The two first protrusions (102) are arranged opposite each other on the left and right and are respectively located on the upper end face of the two first bodies (101). The four second protrusions (103) are divided into two groups. The two groups of second protrusions (103) are arranged opposite each other on the left and right and are respectively located on the lower end face of the two first bodies (101). The third protrusion... The platform (104) is located between the two first bosses (102); 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 in the first through groove (105); a cylindrical first through hole (106) is opened at the lower part of the left end face of the second boss (103), and the axle (11) is inserted in the first through hole (106); the rear end face of the third boss (104) is symmetrically opened with two groups of four cylindrical second through holes (107), and the bolt (8) is inserted in the second through holes (107). The second bracket (2) is composed of a second body (201), sixteen fourth protrusions (202), and four fifth protrusions (203). The second body (201), the fourth protrusions (202), and the fifth protrusions (203) are all symmetrical cuboid structures. The sixteen fourth protrusions (202) are divided into four groups, with each group of four protrusions (202) arranged opposite to the other and simultaneously located on the upper surface of the second body (201). The four fifth protrusions (203) are divided into two groups, each group of four protrusions (202) being arranged opposite to the other and simultaneously located on the upper surface of the second body (201). The fifth protrusions (203) of the group are arranged opposite each other on the left and right sides and are located on the upper end face of the second body (201); a first screw hole (204) is provided in the middle part of the upper end face of the fourth protrusion (202), and the bolt (8) is screwed into the first screw hole (204), which also penetrates the second body (201); a cuboid second through groove (205) can be formed between the two fifth protrusions (203) of each group for guiding the wheel (10); The third bracket (3) is composed of a third body (301), a sixth protrusion (302), a seventh protrusion (303), two eighth protrusions (304), and two bearing sections (305). The third body (301), the sixth protrusion (302), and the seventh protrusion (303) are all symmetrical rectangular parallelepiped structures. The sixth protrusion (302) is located on the lower end face of the third body (301), and the seventh protrusion (303) is located on the lower end face of the sixth protrusion (302). The two eighth protrusions (304) are arranged opposite each other and are respectively located on the lower end face of the third body (301). On the left and right end faces of the seventh boss (303), two bearing segments (305) are arranged opposite each other and are respectively located on the left and right end faces of the third body (301); the eighth boss (304) is a cylindrical symmetrical structure, and a second screw hole (306) is provided on the axial part of the eighth boss (304). The working rod (7) is screwed into the second screw hole (306), and the second screw hole (306) also passes through the seventh boss (303); the bearing segment (305) is a cylindrical symmetrical structure used to pass through the rolling bearing (9); The fourth bracket (4) is composed of a fourth body (401) and two ninth protrusions (402). The fourth body (401) and the ninth protrusions (402) are both rectangular parallelepiped symmetrical structures. The two ninth protrusions (402) are arranged opposite 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 inserted in the grooves (403). A cylindrical third through hole (404) is opened at the axial part of the grooves (403). The bearing section (305) of the third bracket (3) is inserted in the third through hole (404). The left end face of the ninth protrusion (402) has two cylindrical fourth through holes (405) symmetrically opened. The bolt (8) is inserted in the fourth through hole (405). The fifth bracket (5) is composed of a fifth body (501), four tenth protrusions (502) and four eleventh protrusions (503). The fifth body (501), the tenth protrusions (502) and the eleventh protrusions (503) are all symmetrical rectangular parallelepiped structures. The four tenth protrusions (502) are arranged opposite each other in pairs and are located on the upper end face of the fifth body (501). The four eleventh protrusions (503) are arranged opposite each other in pairs and are located on the lower end face of the fifth body (501). A third screw hole (504) is opened in the middle part of the rear end face of the tenth protrusion (502), and the bolt (8) is screwed into the third screw hole (504). Two fourth screw holes (505) are symmetrically opened on the left end face of the eleventh protrusion (503), and the bolt (8) is screwed into the fourth screw hole (505). The sixth bracket (6) is composed of two sixth bodies (601), two twelfth protrusions (602), and a thirteenth protrusion (603) connected together. The sixth body (601), the twelfth protrusion (602), and the thirteenth protrusion (603) are all symmetrical cuboid structures. The two sixth bodies (601) are arranged opposite each other. The two twelfth protrusions (602) are arranged opposite each other and are located on the upper end face of the two sixth bodies (601). The thirteenth protrusion (603) is located on the upper end face of the two twelfth protrusions (602). The upper end face of the sixth body (601) is symmetrically provided with four cylindrical fifth through holes (604), and the bolts (8) are inserted into the fifth through holes (604).

2. The device for lifting oil pipe bodies at dual positions according to claim 1, characterized in that, The working rod (7) is composed of a coaxial rotating section (702), a threaded section (701), an isolation section (703), a guard section (704), and an insertion section (705). The rotating section (702), threaded section (701), isolation section (703), guard section (704), and insertion section (705) are all cylindrical symmetrical structures. The threaded section (701) is located on the right end face of the rotating section (702), and the isolation section (703) is located on the right end face of the threaded section (701). The guard section (704) is located on the right end face of the isolation section (703), and the insertion section (705) is located on the right end face of the guard section (704); the diameter of the rotating section (702) and the diameter of the isolation section (703) should be equal and both should be smaller than the diameter of the threaded section (701); the diameter of the guard section (704) should be slightly larger than the inner diameter of the oil pipe body; the diameter of the insertion section (705) should be slightly smaller than the inner diameter of the oil pipe body; the circumferential surface of the threaded section (701) is provided with threads for screwing the second threaded hole (306) of the third bracket (3).

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