CN210289688U - Fishing device - Google Patents
Fishing device Download PDFInfo
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- CN210289688U CN210289688U CN201920662528.3U CN201920662528U CN210289688U CN 210289688 U CN210289688 U CN 210289688U CN 201920662528 U CN201920662528 U CN 201920662528U CN 210289688 U CN210289688 U CN 210289688U
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Abstract
The utility model discloses a fishing device, which comprises a sealing box, wherein the inner side of the side wall of the sealing box is provided with two winding wheels, the outer side of the side wall where the winding wheels are positioned is provided with two linkage gears, and the two linkage gears are respectively coaxial and synchronously rotate with the two winding wheels; the movable synchronous gear is in transmission connection with the two linkage gears or cuts off the connection between the two linkage gears; and the gripper mechanism is arranged in the seal box. When fishing, the steel wire rope of one winding wheel is used for pulling the transmission mechanism to open the grapple, then the synchronous gear is connected to enable the two winding wheels to discharge the steel wire rope together to enable the whole grapple mechanism to descend, after the steel wire rope descends to the bottom, the synchronous gear is taken off, the steel wire rope of the other winding wheel is used for pulling the transmission mechanism to enable the grapple to be folded, the liquid level meter is grabbed, then the synchronous gear is connected, and finally the two winding wheels are used for collecting the rope together to fish the liquid level meter to the inside of the sealing box. The utility model discloses a fishing device can realize the fishing operation to the level gauge under the sealed state of storage tank, easy operation, convenient to use.
Description
Technical Field
The utility model relates to a fishing device especially relates to a storage tank level gauge fishing device.
Background
Fujian LNG (namely liquefied natural gas) receiving stations are located at Yangtze province of Pu Tian city in Fujian province, 4 LNG storage tanks are used at present, and 2 LNG storage tanks under construction are all full-capacity low-temperature LNG storage tanks (38.5 meters high) on 16 ten thousand sides. Each LNG storage tank is provided with 2 independent servo type liquid level measurement mechanisms for detecting low liquid level, highest operation liquid level, high liquid level and high liquid level. In addition, a high-high liquid level switch is used for liquid level high alarming, high-high alarming and interlocking switching-off. The pipe diameter of LNG storage tank level gauge survey well is 300mm, and jar top trompil 150 mm.
The risk that the liquid level meter and a steel belt slide down and fall into a measuring well is identified in the risk analysis of the inspection and maintenance operation of the liquid level meter of the Fujian LNG storage tank. Once the level gauge together with the steel band landing and fall into the measuring well, can bring very big potential safety hazard for the operation of whole enterprise, do not have the equipment that is used for salvaging the level gauge specially at present, in case the level gauge landing appears, if can not salvage fast, will cause the loss that is difficult to estimate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fishing device for salvage storage tank level gauge. The utility model provides a technical scheme that its technical problem adopted is:
a fishing device comprising: the bottom wall of the sealing box is provided with an opening and a switch door for opening and closing the opening, the top wall is provided with a guide wheel, one side wall is provided with an observation window, the inner side of the other side wall is provided with two winding wheels, the outer side of the side wall where the winding wheels are located is provided with two linkage gears, and the two linkage gears are respectively coaxial with the two winding wheels and synchronously rotate; the movable synchronous gear is in transmission connection with the two linkage gears or cuts off the connection between the two linkage gears; the gripping mechanism is arranged in the seal box and comprises a shell, a transmission mechanism arranged in the shell and a plurality of gripping hooks capable of being opened or closed, the gripping hooks are uniformly arranged below the shell at intervals in the circumferential direction, the upper ends of the gripping hooks are rotatably hinged with the shell, and the steel wire ropes on the two winding wheels are in transmission connection with the gripping hooks through the transmission mechanism after being turned by the guide wheels; the transmission mechanism drives the grapple to open under the pulling action of the steel wire rope output by one winding wheel, drives the grapple to fold under the pulling action of the steel wire rope output by the other winding wheel, and drives the gripper mechanism to lift under the common traction of the steel wire ropes output by the two winding wheels.
In a preferred embodiment: the upper end of the grapple is provided with a worm wheel, the transmission mechanism is provided with a worm corresponding to the worm wheel, and the worm is meshed with the worm wheel.
In a preferred embodiment: the transmission mechanism further comprises a horizontal gear, a horizontal bevel gear, a vertical rotating wheel and a vertical bevel gear, wherein the horizontal bevel gear is coaxially connected with the horizontal gear, the vertical rotating wheel is coaxially connected with the vertical rotating wheel, the horizontal bevel gear is in meshing transmission with the vertical bevel gear, a gear ring meshed with the horizontal gear is arranged at the end part of the worm, and the steel wire ropes on the winding wheels are respectively connected with the left side edge and the right side edge of the vertical rotating wheel.
In a preferred embodiment: and the outer circumferential surface of the vertical rotating wheel is provided with sliding grooves corresponding to the steel wire ropes of the two winding wheels, and the two sliding grooves are staggered in the thickness direction of the vertical rotating wheel.
In a preferred embodiment: the transmission mechanism further comprises a pair of constraint wheels which are arranged in bilateral symmetry, the constraint wheels are located above the vertical rotating wheel, the horizontal gear is located below the vertical rotating wheel, and the steel wire rope penetrates through the space between the two constraint wheels.
In a preferred embodiment: the two winding wheels are vertically aligned and arranged on the inner side of one side wall opposite to the observation window; the linkage gear is connected with a hand-cranking structure.
In a preferred embodiment: a steel belt winding wheel is also arranged in the sealing box; the guide wheels are two and are arranged in transverse alignment.
In a preferred embodiment: the door comprises two door plates which are arranged in bilateral symmetry, the door plates can be linearly arranged on the inner surface of the bottom wall of the seal box in a reciprocating sliding mode, a screw rod is connected to the door plates, and one end of the screw rod extends out of the side wall of the seal box.
In a preferred embodiment: and the opposite end surfaces of the two door plates are provided with soft sealing strips.
In a preferred embodiment: and a flange ring is arranged on the periphery of the opening on the lower surface of the bottom wall of the sealing box.
Compared with the background technology, the technical scheme has the following advantages:
1. when the fishing tool is used for fishing, the bottom opening of the sealing box is in butt joint with the opening of the measuring well of the liquid level meter, the synchronous gear is taken out, the steel wire rope of one winding wheel is used for pulling the transmission mechanism to open the grapple, then the synchronous gear is connected to enable the two winding wheels to emit the steel wire rope together to enable the whole gripper mechanism to descend, after the steel wire rope descends to the bottom, the synchronous gear is taken out, the steel wire rope of the other winding wheel is used for pulling the transmission mechanism to enable the grapple to be folded, the liquid level meter is grabbed, the synchronous gear is connected again, and finally the two winding wheels receive the rope together to fish the liquid level. The utility model discloses a fishing device can realize the fishing operation to the level gauge under the sealed state of storage tank, easy operation, convenient to use.
2. The worm gear is adopted to drive the grapple to rotate, and the rotary grab has the advantage of stable and reliable rotation.
3. And the steel wire ropes on the winding wheels are respectively connected with the left side and the right side of the vertical rotating wheel, so that the vertical rotating wheel can be controlled to rotate clockwise or reversely by pulling different steel wire ropes, the worm is controlled to rotate positively and negatively, and the opening or closing of the grapple is realized. And when the steel wire ropes on the two winding wheels are synchronously wound and unwound, the gripper mechanism can be lifted or hoisted.
4. The two sliding grooves on the outer circumferential surface of the vertical rotating wheel are staggered, so that the steel wire ropes on the two winding wheels can be independently wound and unwound without mutual interference.
5. The steel wire rope penetrates between the two constraint wheels, so that the vertical rotating wheel can be better pulled to rotate.
6. The linkage gear is connected with a hand-cranking structure, so that the winding wheel is conveniently driven to rotate.
7. A steel belt winding wheel is further arranged in the seal box, and after the liquid level meter is fished up, a steel belt and a wire on the liquid level meter can be wound on the steel belt winding wheel.
8. The switch door comprises two door panels which are arranged in bilateral symmetry, and the opening and closing of the switch door can be stably controlled by rotating the screw rod to enable the two door panels to move oppositely or reversely. Especially, the opposite end surface of the door plate is provided with a soft sealing strip, so that the sealing performance when the opening and closing door is closed can be improved.
9. The flange ring of the bottom wall of the seal box can be well butted with the flange of the opening of the measuring well.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view showing the internal structure of the fishing device of the present invention.
Fig. 2 is a schematic side view of the fishing device of the present invention.
Fig. 3 is a schematic cross-sectional view showing the internal structure of the gripper mechanism of the fishing device shown in fig. 1.
Fig. 4 is a schematic view showing the connection between the constraining wheels and the vertical turning wheel of the gripper mechanism shown in fig. 3.
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 1.
Detailed Description
Referring to fig. 1 to 5, a fishing device includes: the sealing box comprises a sealing box 10, a synchronous gear 20 and a gripper mechanism 30, wherein the gripper mechanism 30 is arranged in the sealing box 10, and the synchronous gear 20 is arranged outside the sealing box 10.
The bottom wall of the sealing box 10 is provided with an opening 11 and a switch door 12 for opening and closing the opening, the top wall is provided with a guide wheel 13, one side wall is provided with an observation window 14, and the inner side of the other side wall is provided with two winding wheels 15. Two interlocking gears 16 are arranged on the outer side of the side wall where the winding wheel 15 is located, and the two interlocking gears 16 are respectively coaxial with the two winding wheels 15 and synchronously rotate, namely the interlocking gears 16 rotate together with the winding wheels 15 which are coaxially connected with the interlocking gears 16 when rotating. The sealing box 10 is of a closed structure, an opening 11 which can be opened is reserved at the bottom, and sealing fishing can be realized after butt joint with a measuring device.
The synchronizing gear 20 is movable so as to drivingly connect the two interlocking gears 16 or disconnect the connection between the two interlocking gears, that is, the two interlocking gears 16 are interlocked after the synchronizing gear 20 is connected, and the two interlocking gears 16 independently operate after the synchronizing gear 20 is removed.
The gripper mechanism 30 includes a housing 31, a transmission mechanism 32 disposed in the housing, and a plurality of grippers 33 that can be opened or closed. The grapples 33 are circumferentially and evenly spaced below the housing 31 and are rotatably hinged at upper ends to the housing 31. The steel wire rope on the two winding wheels 15 is changed in direction by the guide wheel 13 and then is in transmission connection with the grapple 33 through the transmission mechanism 32. The transmission mechanism 32 drives the grapple 33 to rotate and open under the pulling action of the steel wire rope output by one winding wheel 15, drives the grapple to rotate and close in the opposite direction under the pulling action of the steel wire rope output by the other winding wheel, and drives the grapple mechanism 30 to lift under the common traction of the steel wire ropes output by the two winding wheels.
The upper end of the grapple 33 is provided with a worm wheel, the transmission mechanism 32 is provided with a worm 321 corresponding to the worm wheel, the worm 321 is meshed with the worm wheel 332, and the worm 321 is vertically arranged and drives the grapple 33 to rotate in a vertical plane when rotating. The transmission mechanism 32 further comprises a horizontal gear 322, a horizontal bevel gear 323 coaxially connected with the horizontal gear, a vertical rotating wheel 324, and a vertical bevel gear 325 coaxially connected with the vertical rotating wheel. The horizontal bevel gear 323 is in meshing transmission with the vertical bevel gear 325, and the upper end part of the worm 321 is provided with a gear ring meshed with the horizontal gear 322. The steel wire ropes on the two winding wheels 15 are respectively connected with the left side and the right side of the vertical rotating wheel 324. The vertical turning wheel 324 rotates in synchronization with the vertical bevel gear 325, the horizontal bevel gear 323 rotates in synchronization with the horizontal gear 322, and the horizontal gear 322 rotates to drive the worm 321 to rotate.
The outer circumference of the vertical wheel 324 is provided with a sliding groove 326 corresponding to the steel wire rope of the two winding wheels, and the two sliding grooves 326 are staggered in the thickness direction of the vertical wheel.
The transmission mechanism 32 further includes a pair of constraining wheels 327 symmetrically disposed left and right, the constraining wheels 327 are located above the vertical rotating wheel 324, the horizontal gear 322 is located below the vertical rotating wheel 324, and the steel cable passes through between the constraining wheels 327.
The two winding wheels 15 are aligned one above the other and are arranged on the inside of a side wall opposite to the observation window 14. The interlocking gear 16 is connected with a hand-operated structure. The sealing box 10 is also provided with a steel strip winding wheel 17, and the guide wheels 13 are two and are arranged in a transverse alignment mode.
The opening and closing door 12 includes two door panels 121 symmetrically arranged left and right, the door panels 121 are linearly and reciprocally slidably arranged on the inner surface of the bottom wall of the sealed box, a screw 122 is connected to the door panels, and one end of the screw 122 extends out from the side wall of the sealed box. Preferably, the two door panels 121 are provided with a soft sealing strip 123 on opposite end surfaces.
The lower surface of the bottom wall of the seal box 10 is provided with a flange ring 18 around the opening.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (10)
1. A fishing device, comprising:
the bottom wall of the sealing box is provided with an opening and a switch door for opening and closing the opening, the top wall is provided with a guide wheel, one side wall is provided with an observation window, the inner side of the other side wall is provided with two winding wheels, the outer side of the side wall where the winding wheels are located is provided with two linkage gears, and the two linkage gears are respectively coaxial with the two winding wheels and synchronously rotate;
the movable synchronous gear is in transmission connection with the two linkage gears or cuts off the connection between the two linkage gears;
the gripping mechanism is arranged in the seal box and comprises a shell, a transmission mechanism arranged in the shell and a plurality of gripping hooks capable of being opened or closed, the gripping hooks are uniformly arranged below the shell at intervals in the circumferential direction, the upper ends of the gripping hooks are rotatably hinged with the shell, and the steel wire ropes on the two winding wheels are in transmission connection with the gripping hooks through the transmission mechanism after being turned by the guide wheels;
the transmission mechanism drives the grapple to open under the pulling action of the steel wire rope output by one winding wheel, drives the grapple to fold under the pulling action of the steel wire rope output by the other winding wheel, and drives the gripper mechanism to lift under the common traction of the steel wire ropes output by the two winding wheels.
2. A fishing device as claimed in claim 1, wherein: the upper end of the grapple is provided with a worm wheel, the transmission mechanism is provided with a worm corresponding to the worm wheel, and the worm is meshed with the worm wheel.
3. A fishing device as claimed in claim 2, wherein: the transmission mechanism further comprises a horizontal gear, a horizontal bevel gear, a vertical rotating wheel and a vertical bevel gear, wherein the horizontal bevel gear is coaxially connected with the horizontal gear, the vertical rotating wheel is coaxially connected with the vertical rotating wheel, the horizontal bevel gear is in meshing transmission with the vertical bevel gear, a gear ring meshed with the horizontal gear is arranged at the end part of the worm, and the steel wire ropes on the winding wheels are respectively connected with the left side edge and the right side edge of the vertical rotating wheel.
4. A fishing device as claimed in claim 3, wherein: and the outer circumferential surface of the vertical rotating wheel is provided with sliding grooves corresponding to the steel wire ropes of the two winding wheels, and the two sliding grooves are staggered in the thickness direction of the vertical rotating wheel.
5. A fishing device as claimed in claim 3 or 4, wherein: the transmission mechanism further comprises a pair of constraint wheels which are arranged in bilateral symmetry, the constraint wheels are located above the vertical rotating wheel, the horizontal gear is located below the vertical rotating wheel, and the steel wire rope penetrates through the space between the two constraint wheels.
6. A fishing device as claimed in claim 1, wherein: the two winding wheels are vertically aligned and arranged on the inner side of one side wall opposite to the observation window; the linkage gear is connected with a hand-cranking structure.
7. A fishing device as claimed in claim 6, wherein: a steel belt winding wheel is also arranged in the sealing box; the guide wheels are two and are arranged in transverse alignment.
8. A fishing device as claimed in claim 1, wherein: the door comprises two door plates which are arranged in bilateral symmetry, the door plates can be linearly arranged on the inner surface of the bottom wall of the seal box in a reciprocating sliding mode, a screw rod is connected to the door plates, and one end of the screw rod extends out of the side wall of the seal box.
9. A fishing device as claimed in claim 8, wherein: and the opposite end surfaces of the two door plates are provided with soft sealing strips.
10. A fishing device as claimed in claim 1, wherein: and a flange ring is arranged on the periphery of the opening on the lower surface of the bottom wall of the sealing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662528.3U CN210289688U (en) | 2019-05-09 | 2019-05-09 | Fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662528.3U CN210289688U (en) | 2019-05-09 | 2019-05-09 | Fishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210289688U true CN210289688U (en) | 2020-04-10 |
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ID=70068753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920662528.3U Active CN210289688U (en) | 2019-05-09 | 2019-05-09 | Fishing device |
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| Country | Link |
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| CN (1) | CN210289688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151724A (en) * | 2021-10-18 | 2022-03-08 | 深圳华安液化石油气有限公司 | Method for salvaging scattered objects in liquefied gas storage tank |
-
2019
- 2019-05-09 CN CN201920662528.3U patent/CN210289688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151724A (en) * | 2021-10-18 | 2022-03-08 | 深圳华安液化石油气有限公司 | Method for salvaging scattered objects in liquefied gas storage tank |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 351100 No. 666, Xiangang Avenue, Fengting Town, Xianyou Economic Development Zone, Putian City, Fujian Province Patentee after: National pipe network group (Fujian) emergency maintenance Co.,Ltd. Address before: 351100 No. 666, Xiangang Avenue, Fengting Town, Xianyou Economic Development Zone, Putian City, Fujian Province Patentee before: CNOOC (Fujian) emergency maintenance Co.,Ltd. |