A round tube inner wall self-weight tensioning salvage device

Abstract

The present invention discloses a self-weight tensioning salvage device for the inner wall of a circular tube, comprising a body, a connecting head fixed to the lower end of the body, a tensioning cone fixed to the upper end of the body, a guide head fixed to the upper end of the tensioning cone, and a plurality of tensioning cone tubes arranged around the body. The present invention can use the tensioning cone tube, which is made by heat treatment process, has high strength, high hardness and high tensile strength, and the inner wall adopts a reasonable taper matching, which can be tightened in time during the salvage work and easily reset after the salvage is completed, thereby maximizing the speed of salvage and improving work efficiency. At the same time, the service life of the salvage device can be increased, so that the salvage device can be reused dozens of times or even more, which greatly saves construction costs, and can make the salvage device more practical, and improve the salvage effect and efficiency of the salvage device.

Description

Technical Field

[0001] The invention relates to the technical field of round tube salvaging, in particular to a round tube inner wall self-weight tensioning salvage device. Background Art

[0002] The field of drilling construction is very wide, especially in the drilling projects where pipes are installed in boreholes, such as coal mine shaft freezing projects, hollow channel gas extraction wells, mine emergency rescue channels, feeding holes, drainage holes, geological petroleum drilling holes, etc. When the pipelines are lowered for installation after the drilling construction is completed, pipelines often fall into the well due to negligence at work, causing accidents. Therefore, it is necessary to salvage the pipelines with a pipe salvage device.

[0003] However, the existing salvage device has low efficiency in salvaging pipelines, and cannot automatically adjust the tightness of the salvage device according to the weight of the pipeline, which makes the salvage effect of the salvage device poor, resulting in low practicality of the salvage device and affecting the salvage efficiency of the salvage device. Therefore, we propose a circular tube inner wall self-weight tensioning salvage device to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a round tube inner wall self-weight tensioning salvage device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A self-weight tensioning salvage device for the inner wall of a round tube, comprising a body, a connecting head fixed at the lower end of the body, a tensioning cone fixed at the upper end of the body, a guide head fixed at the upper end of the tensioning cone, the body, the connecting head, the tensioning cone and the guide head are integrally formed, a plurality of tensioning cone tubes are arranged around the body, the plurality of tensioning cone tubes are all made by heat treatment process, a mounting groove is opened at the lower end of the connecting head, a connecting rod is arranged in the mounting groove, a device groove is arranged in the connecting rod, a rotating mechanism is arranged in the device groove, an internal gear plate is arranged on the rotating mechanism, and the internal gear plate is rotatably connected to the connecting rod At the upper end of the connecting rod, a gear is fixed on the upper end of the mounting groove, and the gear is meshed in the internal gear plate. Second grooves are provided on both sides of the connecting head, and a snap mechanism is provided in the two second grooves. Four threaded sleeves are provided on the snap mechanism, and the four threaded sleeves are rotatably connected to the relative inner walls of the mounting groove respectively. The opposite ends of the four threaded sleeves are threadedly sleeved with screws, and a bearing plate is fixed to one end of the two screws on the same side, and blocks are fixed to the opposite sides of the two bearing plates. A snap groove is provided around the upper end of the connecting rod, and the opposite ends of the two blocks are respectively arranged on both sides of the snap groove.

[0007] Preferably, the rotating mechanism comprises a servo motor fixedly mounted in the equipment slot, the output shaft end of the servo motor passes through the upper end of the equipment slot and is fixedly connected to the middle part of the lower end of the inner gear plate.

[0008] Preferably, the snap mechanism includes four rotating wheels respectively arranged in the two second grooves, the other ends of the four threaded sleeves respectively penetrate the opposite inner walls of the equipment groove and are fixedly connected to the middle of one side of the four rotating wheels, the two rotating wheels in the same second groove rotate through the friction of the transmission belt, first grooves are arranged on both sides of the connecting head, motors are installed in the two first grooves, the output shaft ends of the two motors respectively penetrate the lower ends of the two first grooves and are arranged in the two second grooves, the output shaft ends of the two motors are fixedly connected with first bevel gears, one side of the two first bevel gears are meshed with second bevel gears, and the two second bevel gears are respectively fixedly connected to the middle of the other side of two of the rotating wheels.

[0009] Preferably, springs are sleeved on the four threaded sleeves, one ends of the four springs are respectively fixedly connected to the opposite inner walls of the mounting groove, and the other ends of the four springs are respectively fixedly connected to the other sides of the two bearing plates.

[0010] The beneficial effects of the present invention are:

[0011] 1. Through the use of the tension cone, the tension cone adopts the heat treatment process, has the mechanical properties of high hardness, high strength and high tensile strength, and adopts the reasonable taper inside. During the salvage work, the body is completely inserted into the salvaged pipe body. While the machine is lifting, the tension cone can be tightened in time, so that the tension cone is instantly tightened on the inner wall of the pipe body. The heavier the weight of the salvaged pipe body, the tighter the salvage device is, so that the salvage speed can be accelerated to the maximum extent and the work efficiency can be improved. It can be easily reset after the salvage is completed, so that the body can be quickly taken out of the pipe body, which effectively improves the work efficiency. The body can be reused dozens of times, or even more, which greatly saves the construction cost, and then the practicality of the salvage device can be made stronger, and the salvage effect and efficiency of the salvage device can be improved at the same time;

[0012] 2. Through the operation of the rotating mechanism and the buckle mechanism, the buckle mechanism can make the connecting rod more quickly and conveniently installed on the connecting head. The connecting rod is used to connect with the mechanical supporting equipment, and the mechanical supporting equipment can drive the salvage device to operate. The rotating mechanism can drive the salvage device to rotate when the salvage device is salvaging the pipe body, so that the salvage device can quickly enter the pipe body, thereby effectively improving the salvage efficiency of the salvage device, making it more convenient and quick to salvage the pipe body;

[0013] In summary, the present invention can use the tensioning cone tube, which is made by heat treatment process, has high strength, high hardness and high tensile strength, and the inner wall adopts reasonable taper matching, so that it can be tightened in time during the salvage work and easily reset after the salvage is completed, thereby maximizing the speed of salvage and improving work efficiency. At the same time, the service life of the salvage device can be increased, so that the salvage device can be reused dozens of times or even more, which greatly saves construction costs, and can make the salvage device more practical, and improve the salvage effect and efficiency of the salvage device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a body connection structure diagram of a round tube inner wall self-weight tensioning salvage device proposed by the present invention;

[0015] Figure 2 This is a connection structure diagram of a round tube inner wall self-weight tensioning salvage device proposed by the present invention;

[0016] Figure 3 This is a diagram showing the internal structure of a device tank of a round tube inner wall deadweight tensioning salvage device proposed by the present invention;

[0017] Figure 4 This is a structural diagram of the buckle mechanism of a round tube inner wall deadweight tensioning salvage device proposed by the present invention;

[0018] Figure 5 This is a structural diagram of the inner gear plate of a round tube inner wall deadweight tensioning salvage device proposed by the present invention;

[0019] Figure 6 This is a structural diagram of a connecting rod of a round tube inner wall deadweight tensioning salvage device proposed by the present invention.

[0020] In the figure: 1 guide head, 2 body, 3 connecting head, 4 tensioning cone, 5 tensioning cone tube, 6 mounting groove, 7 gear, 8 inner gear plate, 9 connecting rod, 10 equipment groove, 11 servo motor, 12 card slot, 13 first groove, 14 motor, 15 second groove, 16 first bevel gear, 17 second bevel gear, 18 rotating wheel, 19 transmission belt, 20 threaded sleeve, 21 screw, 22 bearing plate, 23 card block, 24 spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Reference Figure 1-6The cam 3 is a kind of self-weight tensioning salvage device for inner wall of round tube, comprising a body 2, a connecting head 3 is fixed at the lower end of the body 2, the body 2 is a salvage component for round tube, and the round tube can be salvaged more quickly and conveniently by the body 2, and the movement and rotation of the connecting head 3 can drive the body 2 to move and lift, a tensioning cone 4 is fixed at the upper end of the body 2, and a guide head 1 is fixed at the upper end of the tensioning cone 4, and the guide head 1 can increase the hole penetration rate of the body 2, so that the body 2 can enter the round tube more accurately when salvaging the round tube, and the body 2, the connecting head 3, the tensioning cone 4 and the guide head 1 are integrally formed, and the body 2 can be made more stable when salvaging the round tube, and the stability of the body 2 when salvaging is effectively increased.

[0023] In the present invention, a plurality of tension cones 5 are provided around the body 2. The plurality of tension cones 5 are all made by heat treatment process. Through the correct heat treatment process, the tension cones 5 can have mechanical properties of high hardness, high strength and high tensile strength. The inner wall adopts reasonable taper matching, so that after the body 2 is completely entered into the round tube, the plurality of tension cones 5 can instantly tighten the inner wall of the round tube through the self-weight tensioning design by lifting the body 2. The tension of the tension cones 5 can be adjusted by the weight of the round tube, and can be easily reset after the salvage is completed, which can accelerate the salvage speed to the maximum extent and improve the work efficiency. The body 2 can be reused dozens of times or even more, which greatly saves the construction cost.

[0024] In the present invention, a mounting groove 6 is provided at the lower end of the connecting head 3, and a connecting rod 9 is arranged in the mounting groove 6. The connecting rod 9 is connected to the supporting mechanical equipment. Through the components in the mounting groove 6, the connecting rod 9 can be connected to the connecting head 3, so that the supporting mechanical equipment can be connected to the machine body 2. An equipment groove 10 is provided in the connecting rod 9, and a rotating mechanism is provided in the equipment groove 10. The rotating mechanism is provided with an internal gear disk 8. Through the operation of the rotating mechanism, the internal gear disk 8 can be driven to rotate. The internal gear disk 8 is rotatably connected to the upper end of the connecting rod 9. A gear 7 is fixed to the upper end in the mounting groove 6, and the gear 7 is meshed in the internal gear disk 8. Through the rotation of the internal gear disk 8, the gear 7 can be driven to rotate. The rotation of the gear 7 can drive the connecting head 3 to rotate. The rotation of the connecting head 3 can drive the machine body 2 to rotate. The rotation of the machine body 2 can make the machine body 2 rotate quickly, so that the machine body 2 can quickly enter the round tube.

[0025] In the present invention, the rotating mechanism includes a servo motor 11 fixedly installed in the equipment slot 10. The output shaft end of the servo motor 11 passes through the upper end of the equipment slot 10 and is fixedly connected to the middle of the lower end of the inner gear disk 8. The servo motor 11 is connected to the supporting components for stable operation. The program can be set and the operation can be automatic. Through the operation of the servo motor 11, the inner gear disk 8 can be driven to rotate, so that the machine body 2 can achieve the effect of mechanical rotation. Second grooves 15 are provided on both sides of the connecting head 3. A snap mechanism is provided in the two second grooves 15. Four threaded sleeves 20 are provided on the snap mechanism. The four threaded sleeves 20 are respectively rotatably connected to the relative inner walls of the mounting slot 6. Through the operation of the snap mechanism, the four threaded sleeves 20 can be driven to rotate.

[0026] In the present invention, screw rods 21 are threadedly sleeved on opposite ends of the four threaded sleeves 20, and a bearing plate 22 is fixed to one end of the two screw rods 21 on the same side. When the four threaded sleeves 20 rotate, the four screw rods 21 can be driven to extend and retract from the four threaded sleeves 20. The two bearing plates 22 can be driven to move toward and away from each other through the extension and retraction of the four screw rods 21. Springs 24 are sleeved on the four threaded sleeves 20, and one end of the four springs 24 is respectively fixedly connected to the opposite inner walls of the mounting groove 6, and the other ends of the four springs 24 are respectively fixedly connected to the other sides of the two bearing plates 22. The springs 24 are elastic, and a shock absorbing effect can be provided to the movement of the bearing plates 22 through the springs 24. At the same time, when the two bearing plates 22 move toward each other, the thrust of the two bearing plates 22 can be increased, so that the two bearing plates 22 move toward each other.

[0027] In the present invention, a clamping block 23 is fixed on the opposite side of the two supporting plates 22, and a clamping groove 12 is commonly opened around the upper end of the connecting rod 9. The opposite ends of the two clamping blocks 23 are respectively arranged on the two sides of the clamping groove 12. Through the relative movement of the two supporting plates 22, the two clamping blocks 23 can be driven to enter the two sides of the clamping groove 12 respectively. Through the two clamping blocks 23 entering the clamping groove 12, the clamping block 23 can be buckled on the connecting rod 9, so that the connecting rod 9 can be more stably installed in the installation groove 6.

[0028] In the present invention, the snap mechanism includes four rotating wheels 18 respectively arranged in two second grooves 15, and the other ends of the four threaded sleeves 20 respectively penetrate the opposite inner walls of the equipment groove 10 and are fixedly connected to the middle part of one side of the four rotating wheels 18. The rotation of the four rotating wheels 18 can provide power for the rotation of the four threaded sleeves 20. The two rotating wheels 18 in the same second groove 15 rotate by friction through the transmission belt 19. When two of the rotating wheels 18 rotate, the other two rotating wheels 18 can be driven to rotate through the two transmission belts 19, so that the four rotating wheels 18 rotate synchronously. The synchronous rotation of the four rotating wheels 18 can drive the four threaded sleeves 20 to rotate at the same time.

[0029] In the present invention, first grooves 13 are provided on both sides of the connector 3, and motors 14 are installed in the two first grooves 13. The output shaft ends of the two motors 14 respectively penetrate the lower ends of the two first grooves 13 and are arranged in the two second grooves 15. The motors 14 are connected to the supporting parts for stable operation, and can be programmed and automatically operated. Through the operation of the two motors 14, power can be provided for the rotation of the four threaded sleeves 20. The output shaft ends of the two motors 14 are fixedly connected with first bevel gears 16. When the two motors 14 are in operation, the two first bevel gears 16 can be driven to rotate. One side of the two first bevel gears 16 is meshed with a second bevel gear 17. The two second bevel gears 17 are respectively fixedly connected to the middle of the other side of two of the rotating wheels 18. The rotation of the two first bevel gears 16 can drive the two second bevel gears 17 to rotate, and the rotation of the two second bevel gears 17 can drive two of the rotating wheels 18 to rotate, thereby providing power for the rotation of the four rotating wheels 18.

[0030] In the present invention, when in use: connect the connecting rod 9 with the supporting mechanical equipment, then insert the connecting rod 9 into the installation groove 6, so that the inner gear plate 8 and the gear 7 are meshed, and the two motors 14 are controlled by the supporting control equipment to operate, the two motors 14 drive the two first bevel gears 16 to rotate, the two first bevel gears 16 drive the two second bevel gears 17 to rotate, the two second bevel gears 17 drive two of the rotating wheels 18 to rotate, the two rotating wheels 18 drive the other two rotating wheels 18 to rotate through the friction of two transmission belts 19, the rotation of the four rotating wheels 18 can drive the four threaded sleeves 20 to rotate, the rotation of the four threaded sleeves 20 can drive the four screws 21 to move toward each other, the four screws 21 drive the two bearing plates 22 to move toward each other, the two bearing plates 22 drive the two card blocks 23 to move toward each other and enter the card slot 12, so that the connecting rod 9 is connected to the connecting head 3, and the connecting rod 9 is driven to move downhole by the supporting mechanical equipment, so that the machine body 2 moves downhole. After the guide head 1 and the tensioning cone 4 are inserted and exited into the salvage pipe body, the servo motor 11 is controlled by the supporting control equipment to operate, and the servo motor 11 drives the inner gear plate 8 to rotate, and the inner gear plate 8 drives the gear 7 to rotate, and the gear 7 drives the machine body 2 to rotate, so that the multiple tensioning cones 5 on the machine body 2 are all entered into the pipe body to be salvaged, so that the multiple tensioning cones 5 are pressed against the inner wall of the pipe body, and the machine body 2 is completely entered into the salvage pipe body, and the connecting rod 9 is driven to rise by the supporting mechanical equipment, and the connecting rod 9 drives the machine body 2 to rise. The self-weight tensioning design of the multiple tensioning cones 5 on the machine body 2 instantly tightens the inner wall of the pipe body. The heavier the weight of the salvaged pipe body, the tighter the multiple tensioning cones 5 are, so that the purpose of smooth salvage can be achieved.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A round tube inner wall self-weight tensioning salvage device, comprising a body (2), characterized in that: A connecting head (3) is fixed at the lower end of the machine body (2), a tensioning cone (4) is fixed at the upper end of the machine body (2), a guide head (1) is fixed at the upper end of the tensioning cone (4), the machine body (2), the connecting head (3), the tensioning cone (4) and the guide head (1) are integrally formed, a plurality of tensioning cone tubes (5) are arranged around the machine body (2), the plurality of tensioning cone tubes (5) are all made by heat treatment process, a mounting groove (6) is provided at the lower end of the connecting head (3), a connecting rod (9) is arranged in the mounting groove (6), a device groove (10) is arranged in the connecting rod (9), a rotating mechanism is arranged in the device groove (10), an internal gear plate (8) is arranged on the rotating mechanism, the internal gear plate (8) is rotatably connected to the upper end of the connecting rod (9), the mounting groove A gear (7) is fixed at the upper end of the inner groove (6), and the gear (7) is meshed in the inner gear plate (8). Second grooves (15) are provided on both sides of the connector (3). A snap mechanism is provided in the two second grooves (15). Four threaded sleeves (20) are provided on the snap mechanism. The four threaded sleeves (20) are rotatably connected to the opposite inner walls of the mounting groove (6). Screws (21) are threadedly sleeved on the opposite ends of the four threaded sleeves (20). A bearing plate (22) is fixed at one end of the two screws (21) located on the same side. Blocks (23) are fixed on the opposite sides of the two bearing plates (22). A snap groove (12) is provided around the upper end of the connecting rod (9). The opposite ends of the two blocks (23) are respectively arranged on the two sides of the snap groove (12).

2. A round tube inner wall self-weight tensioning salvage according to claim 1, characterized in that: The rotating mechanism comprises a servo motor (11) fixedly mounted in the equipment slot (10), the output shaft end of the servo motor (11) passing through the upper end of the equipment slot (10) and fixedly connected to the middle of the lower end of the internal gear plate (8).

3. A round tube inner wall self-weight tensioning salvage device according to claim 1, characterized in that: The buckle mechanism comprises four rotating wheels (18) respectively arranged in the two second grooves (15); the other ends of the four threaded sleeves (20) respectively penetrate the opposite inner walls of the equipment groove (10) and are fixedly connected to the middle of one side of the four rotating wheels (18); the two rotating wheels (18) in the same second groove (15) rotate by friction through a transmission belt (19); first grooves (13) are arranged on both sides of the connector (3); motors (14) are installed in the two first grooves (13); the output shaft ends of the two motors (14) respectively penetrate the lower ends of the two first grooves (13) and are arranged in the two second grooves (15); the output shaft ends of the two motors (14) are fixedly connected to first bevel gears (16); one side of the two first bevel gears (16) is meshed with second bevel gears (17); the two second bevel gears (17) are respectively fixedly connected to the middle of the other side of two of the rotating wheels (18).

4. The round tube inner wall self-weight tensioning salvage device according to claim 1, characterized in that: The four threaded sleeves (20) are all sleeved with springs (24), one end of the four springs (24) is respectively fixedly connected to the opposite inner walls of the mounting groove (6), and the other end of the four springs (24) is respectively fixedly connected to the other side of the two bearing plates (22).

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