Logging optical fiber recycling and cleaning device and optical fiber electric recycling method

Abstract

The invention relates to the technical field of optical fiber recycling devices, in particular to a logging optical fiber recycling and cleaning device and an electric optical fiber recycling method.The logging optical fiber recycling and cleaning device comprises a wire spool, an inner cylinder, a power source, a motor, a transmission gear, an inner gear ring and a support, the power source and the motor are arranged in the inner cylinder and connected, and the wire spool is arranged on the outer side of the inner cylinder in a sleeving mode; a left end cover and a right end cover are fixedly installed at the left end and the right end of the inner cylinder respectively, the output end of the motor penetrates out of the right end cover and then is connected with a transmission gear through a key, the outer side of the gear is in transmission connection with an inner gear ring, at least one boss is arranged on the outer side of the inner gear ring along the circumference, grooves are formed in the positions, corresponding to the bosses, of the inner side of the wire spool, and the bosses are located in the grooves. The upper portion of the support and the left end cover are detachably installed together, and a decontamination mechanism is arranged on the lower portion of the support. The device is reasonable and compact in structure and convenient to use, attachments on the surface of the logging optical fiber can be removed through the decontamination mechanism before the optical fiber is collected, the optical fiber is prevented from being damaged, and the use cost of the optical fiber is effectively saved.

Description

Technical Field

[0001] The invention relates to the technical field of optical fiber recovery devices, in particular to a well logging optical fiber recovery and cleaning device and an optical fiber electric recovery method. Background Art

[0002] Optical fiber is increasingly being used in oil well inspection due to its excellent performance and high detection accuracy. When using optical fiber for logging, the length of the fiber used at a time is several kilometers. After the logging operation is completed, the fiber surface is contaminated by the mud in the wellbore, which makes it very inconvenient to recycle and store the fiber. At the same time, it is also easy to cause damage to the fiber. Due to the above reasons, the operation time is significantly increased, and the cost of logging operations is increased.

[0003] At present, the recovery of logging optical fiber is mainly completed by reeling. The optical fiber recovery reel currently used only has the function of winding and recovering the optical fiber, and cannot clean the surface of the recovered optical fiber. Summary of the invention

[0004] The present invention provides a logging optical fiber recovery and cleaning device and an optical fiber electric recovery method, which overcome the deficiencies of the above-mentioned prior art and can effectively solve the problem that during the prior art optical fiber recovery, the adhesion on the optical fiber surface causes the inconvenience of recovery and even causes the optical fiber damage.

[0005] One of the technical solutions of the present invention is achieved through the following measures: a logging optical fiber recovery and cleaning device, including a winding reel, an inner cylinder, a power supply, a motor, a transmission gear, an inner gear ring, and a bracket. The inner cylinder is provided with a power supply and a motor, the power supply is connected to the motor, a winding reel is mounted on the outer side of the inner cylinder, a left end cover and a right end cover are fixedly installed on the left and right ends of the inner cylinder respectively, the output end of the motor passes through the right end cover and is connected to the transmission gear through a key, the outer side of the gear is transmission-connected to the inner gear ring, at least one boss is provided along the circumference of the outer side of the inner gear ring, a groove is provided on the inner side of the winding reel corresponding to each boss position, the boss is located in the groove, the upper part of the bracket is detachably mounted with the left end cover, and a decontamination mechanism is provided at the lower part of the bracket.

[0006] The following are further optimizations and / or improvements to the above technical solutions: The above may also include balls. Balls are arranged between the left end cover, the inner cylinder and the winding drum, and balls are arranged between the right end cover, the inner cylinder and the winding drum. The balls can support the winding drum.

[0007] The above may also include a shock-absorbing spring, a shock-absorbing spring is arranged between the outer side of the power supply and the inner cylinder, a slide groove is arranged in the inner cylinder corresponding to the position of the motor, the motor is installed in the slide groove, and a shock-absorbing spring is arranged between the right side of the motor and the right end cover.

[0008] The right end of the transmission gear may be integrally provided with a mounting block, and the mounting block is transmission-connected with the crank.

[0009] At least two optical fiber fixing structures may be provided at intervals on the left and right sides of the outer side of the winding drum. The optical fiber fixing structure includes a fixing column and a circular ring. The lower end of the fixing column is installed together with the winding drum, and the upper end of the fixing column is installed with a circular ring.

[0010] The above-mentioned decontamination mechanism may include a support plate and a clamp. The lower side of the support plate is installed together with the upper side of the lower part of the bracket, and the upper end of the support plate is installed together with the clamp. The clamp can be opened left and right, and cleaning cotton is arranged in the clamp.

[0011] The second technical solution of the present invention is achieved through the following measures: the recovery method is carried out according to the following method, first the optical fiber is passed through the decontamination mechanism, and then the optical fiber is passed through the optical fiber fixing structure to fix the optical fiber at the end, the motor is started to drive the winding reel to rotate and wind the optical fiber, or the handle is pulled to the right to disengage the transmission gear from the motor, and the handle is manually turned to drive the winding reel to rotate and wind the optical fiber.

[0012] The present invention has a reasonable and compact structure and is easy to use. By arranging a decontamination mechanism, the present invention can remove attachments on the surface of the logging optical fiber before the optical fiber is collected, thereby preventing damage to the optical fiber and effectively saving the cost of using the optical fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 It is a schematic diagram of the front cross-sectional structure of an embodiment of the present invention.

[0014] Attached Figure 2 For attachment Figure 1 Schematic diagram of the main cross-sectional structure of the manual drive.

[0015] Attached Figure 3 For attachment Figure 1 Schematic diagram of the left view structure of the inner circle.

[0016] The codes in the accompanying drawings are: 1 is the winding reel, 2 is the inner cylinder, 3 is the power supply, 4 is the motor, 5 is the transmission gear, 6 is the inner ring gear, 7 is the bracket, 8 is the boss, 9 is the left end cover, 10 is the right end cover, 11 is the ball, 12 is the shock-absorbing spring, 13 is the fixing column, 14 is the ring, 15 is the support plate, 16 is the clamp, 17 is the mounting block, 18 is the crank, and 19 is the key. DETAILED DESCRIPTION

[0017] The present invention is not limited by the following embodiments, and specific implementation methods can be determined based on the technical solution of the present invention and actual conditions.

[0018] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached Figure 1 The positional relationships such as front, back, top, bottom, left, and right are described according to the layout directions of the drawings in the specification.

[0019] The present invention will be further described below in conjunction with embodiments and drawings: Embodiment 1: As attached Figure 1 , 2 As shown in Figure 3, the logging optical fiber recovery and cleaning device comprises a winding drum 1, an inner cylinder 2, a power supply 3, a motor 4, a transmission gear 5, an inner gear ring 6, and a bracket 7. The inner cylinder 2 is provided with a power supply 3 and a motor 4, the power supply 3 is connected to the motor 4, the outer side of the inner cylinder 2 is sleeved with a winding drum 1, the left end and the right end of the inner cylinder 2 are respectively fixedly installed with a left end cover 9 and a right end cover 10, the output end of the motor 4 passes through the right end cover 10 and is connected to the transmission gear 5 through a key 19, the outer side of the gear is transmission-connected with the inner gear ring 6, the outer side of the inner gear ring 6 is provided with at least one boss 8 along the circumference, the inner side of the winding drum 1 corresponding to each boss 8 position is provided with a groove, the boss 8 is located in the groove, the upper part of the bracket 7 is detachably mounted with the left end cover 9, and the lower part of the bracket 7 is provided with a decontamination mechanism.

[0020] When in use, the motor 4 drives the transmission gear 5 to rotate through the key 19, and the transmission gear 5 drives the inner ring gear 6 and the boss 8 to rotate. The boss 8 is stuck in the groove on the inner side of the winding drum 1 to push the winding drum 1 to rotate, thereby realizing the electric rotation of the winding drum 1 to recycle the optical fiber. The position of the power supply 3 and the motor 4 is limited by setting the left end cover 9 and the right end cover 10. A power supply 3 motor 4 controller is provided on the left side of the power supply 3. A hole is provided on the left end cover 9, which can be used to charge the power supply 3 and control the power supply 3 and the motor 4 to turn on, so as to facilitate control.

[0021] The above logging optical fiber recovery and cleaning device can be further optimized and / or improved according to actual needs: Embodiment 2: As attached Figure 1 , 2 As shown, a ball 11 is also included. The ball 11 is arranged between the left end cover 9, the inner cylinder 2 and the winding drum 1, and the ball 11 is arranged between the right end cover 10, the inner cylinder 2 and the winding drum 1. The ball 11 can support the winding drum 1. By arranging the ball 11 to support the winding drum 1, the friction between the winding drum 1 and the inner cylinder 2 can be reduced.

[0022] Embodiment 3: As attached Figure 1 , 2 As shown, a shock absorbing spring 12 is also included. A shock absorbing spring 12 is provided between the outer side of the power source 3 and the inner tube 2. A slide groove is provided in the inner tube 2 corresponding to the position of the motor 4. The motor 4 is installed in the slide groove. A shock absorbing spring 12 is provided between the right side of the motor 4 and the right end cover 10. The shock absorbing spring 12 is provided to reduce the vibration generated by the motor 4, keep the device stable and durable, and limit the radial movement of the motor 4 by providing the slide groove.

[0023] Embodiment 4: As attached Figure 1 , 2As shown, a mounting block 17 is integrally provided at the right end of the transmission gear 5 , and the mounting block 17 is transmission-connected with the crank 18 .

[0024] By setting the crank 18, the winding reel 1 can be rotated manually when the motor 4 fails to drive or when needed. First, pull the crank 18 to the right to drive the transmission gear 5 to move right, so that the transmission gear 5 is disengaged from the key 19 and the connection with the motor 4 is disconnected. Then, turn the crank 18 to drive the transmission gear 5 to rotate and thus drive the winding reel 1 to rotate, and manual winding is performed.

[0025] Embodiment 5: As attached Figure 1 , 2 As shown, at least two optical fiber fixing structures are provided at intervals on the left and right sides of the outer side of the winding drum 1. The optical fiber fixing structures include a fixing column 13 and a ring 14. The lower end of the fixing column 13 is installed together with the winding drum 1, and the upper end of the fixing column 13 is installed with the ring 14.

[0026] When in use, the optical fiber is first passed through the light ring 14 in sequence, which can prevent the optical fiber from falling off at the beginning and save more effort. During the optical fiber winding process, the fixing column 13 can promote the optical fiber to be wound evenly and make the optical fiber arrangement even.

[0027] Embodiment 6: As attached Figure 1 , 2 As shown, the decontamination mechanism includes a support plate 15 and a clamp 16. The lower side of the support plate 15 is installed together with the upper side of the lower part of the bracket 7, and the upper end of the support plate 15 is installed together with the clamp 16. The clamp 16 can be opened left and right, and cleaning cotton is arranged inside the clamp 16.

[0028] During use, when the optical fiber passes through the clamp 16, the attachments on the surface of the optical fiber are scraped off, so that the optical fiber can be recovered while the attachments are scraped off, which is efficient and avoids damage to the optical fiber by the attachments.

[0029] Embodiment 7: As attached Figure 1 , 2 As shown in , 3, the recycling method is carried out according to the following method. First, the optical fiber is passed through the decontamination mechanism, and then the optical fiber is passed through the optical fiber fixing structure to fix the optical fiber at the end, and the motor 4 is started to drive the winding reel 1 to rotate and wind the optical fiber, or the crank 18 is pulled to the right to disengage the transmission gear 5 from the motor 4, and the crank 18 is manually turned to drive the winding reel 1 to rotate and wind the optical fiber.

[0030] The above technical features constitute the embodiments of the present invention, which have strong adaptability and implementation effect. Non-essential technical features can be added or reduced according to actual needs to meet the requirements of different situations.

Claims

1. A logging optical fiber recovery and cleaning device, characterized in that It includes a winding drum, an inner cylinder, a power supply, a motor, a transmission gear, an inner gear ring, and a bracket. The inner cylinder is provided with a power supply and a motor, the power supply is connected to the motor, a winding drum is mounted on the outer side of the inner cylinder, a left end cover and a right end cover are fixedly installed on the left and right ends of the inner cylinder respectively, the output end of the motor passes through the right end cover and is connected to the transmission gear through a key, the outer side of the gear is transmission-connected to the inner gear ring, at least one boss is provided along the circumference of the outer side of the inner gear ring, a groove is provided on the inner side of the winding drum corresponding to each boss position, the boss is located in the groove, the upper part of the bracket is detachably mounted with the left end cover, and a decontamination mechanism is provided at the lower part of the bracket.

2. The logging optical fiber recovery and cleaning device according to claim 1 is characterized in that It also includes balls. The balls are arranged between the left end cover, the inner cylinder and the winding drum, and the balls are arranged between the right end cover, the inner cylinder and the winding drum. The balls can support the winding drum.

3. The logging optical fiber recovery and cleaning device according to claim 1 or 2, characterized in that It also includes a shock-absorbing spring. A shock-absorbing spring is arranged between the outer side of the power supply and the inner cylinder. A slide groove is arranged in the inner cylinder corresponding to the position of the motor. The motor is installed in the slide groove. A shock-absorbing spring is arranged between the right side of the motor and the right end cover.

4. The logging optical fiber recovery and cleaning device according to claim 1 or 2, characterized in that A mounting block is integrally arranged at the right end of the transmission gear, and the mounting block is transmission-connected with the crank.

5. The logging optical fiber recovery and cleaning device according to claim 3 is characterized in that A mounting block is integrally arranged at the right end of the transmission gear, and the mounting block is transmission-connected with the crank.

6. The logging optical fiber recovery and cleaning device according to claim 1, 2 or 5, characterized in that At least two optical fiber fixing structures are arranged at intervals on the left and right sides of the outer side of the winding drum. The optical fiber fixing structure comprises a fixing column and a circular ring. The lower end of the fixing column is installed together with the winding drum, and the upper end of the fixing column is installed with a circular ring.

7. The logging optical fiber recovery and cleaning device according to claim 3 is characterized in that At least two optical fiber fixing structures are arranged at intervals on the left and right sides of the outer side of the winding drum. The optical fiber fixing structure comprises a fixing column and a circular ring. The lower end of the fixing column is installed together with the winding drum, and the upper end of the fixing column is installed with a circular ring.

8. The logging optical fiber recovery and cleaning device according to claim 4, characterized in that At least two optical fiber fixing structures are arranged at intervals on the left and right sides of the outer side of the winding drum. The optical fiber fixing structure comprises a fixing column and a circular ring. The lower end of the fixing column is installed together with the winding drum, and the upper end of the fixing column is installed with a circular ring.

9. The logging optical fiber recovery and cleaning device according to claim 1, 2, 5, 7 or 8, characterized in that The decontamination mechanism includes a support plate and a clamp. The lower side of the support plate is installed together with the upper side of the lower part of the bracket, and the upper end of the support plate is installed together with the clamp. The clamp can be opened left and right, and cleaning cotton is arranged in the clamp.

10. An optical fiber electric recovery method using the logging optical fiber recovery and cleaning device as described in any one of claims 4 to 9, characterized in that Proceed as follows: first pass the optical fiber through the decontamination mechanism, then pass the optical fiber through the optical fiber fixing structure to fix the optical fiber at the end, start the motor to drive the winding reel to rotate and wind the optical fiber, or pull the crank to the right to disengage the transmission gear from the motor, and manually turn the crank to drive the winding reel to rotate and wind the optical fiber.

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