CN113753659A - Spiral cable pulling device and using method - Google Patents
Spiral cable pulling device and using method Download PDFInfo
- Publication number
- CN113753659A CN113753659A CN202111128491.4A CN202111128491A CN113753659A CN 113753659 A CN113753659 A CN 113753659A CN 202111128491 A CN202111128491 A CN 202111128491A CN 113753659 A CN113753659 A CN 113753659A
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- Prior art keywords
- twisting
- traction
- umbilical cable
- cable
- group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/35—Ropes, lines
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- Ropes Or Cables (AREA)
Abstract
The invention discloses a spiral cable pulling device and a using method thereof, wherein the cable pulling device comprises: the device comprises a traction mechanism and a twisting mechanism, wherein the traction mechanism is used for providing axial translation force for the umbilical cable, and the twisting mechanism is used for providing circumferential rotation force for the umbilical cable; the pulling mechanism comprises: at least 1 group of traction sheave groups or at least 1 group of traction belts, wherein the traction sheave groups or the traction belts form a groove for placing an umbilical cable; the twisting mechanism comprises: at least 1 twisting wheel group or at least 1 twisting belt group, wherein the twisting wheel group or the twisting belt group forms a crack for placing the umbilical cable; the grooves and the cracks are used for clamping the umbilical cable. The using method comprises the following steps: the motor drives the traction mechanism to draw the umbilical cable outwards, the motor drives the twisting mechanism to rotate clockwise and anticlockwise alternately, the twisting umbilical cable rotates clockwise and anticlockwise alternately in the circumferential direction, and the umbilical cable is recovered in a spiral motion mode. The invention solves the problem that the umbilical cable is seriously abraded at a pit position when in use.
Description
Technical Field
The invention relates to the field of in-pipeline detection, in particular to a spiral cable pulling device and a using method thereof.
Background
The application of in-pipeline detection equipment in the field of pipe network detection is increasingly wide, the in-streamer detector is one of a plurality of internal detectors, however, the in-streamer detector has more problems to be solved in the transceiving process, and one outstanding problem is the abrasion of the umbilical cable in use. The cause of wear is simply that such internal detectors often lack the power to retract, and when retraction is required, the surface unit pulls the umbilical out of the duct, which is then in tension in the duct and overlaps each corner of the duct where friction can occur, thereby causing wear.
Engineering experience shows that an important corner causing abrasion is actually the position of an inlet of a detector into a pipeline, the angle of the area is mostly a right angle, the abrasion is serious, and other corners after entering the pipeline are often large and the abrasion is small. In order to reduce the abrasion at the inlet, a transceiver is usually arranged at the inlet, the common transceiver generally comprises an inner cylinder and an outer cylinder, the lower edge of the inner cylinder is smooth, the outer cylinder is arranged on an inlet flange prefabricated on a pipeline to be tested, a detector is protected and conveyed by the inner cylinder to enter the pipeline, the lower edge of the inner cylinder is kept below the vertex of the pipeline, an umbilical cable is always put on the lower edge of the inner cylinder when being recovered, the friction of the umbilical cable at the position is not too large due to the smooth processing of the lower edge, the friction is improved greatly compared with the friction directly at the position of a pipeline tee joint, but the abrasion amount accumulated for a long time is still considerable at the outer edge of the lower part.
The specific abrasion reason is that under the action of pulling force, the umbilical cable can be tightened to be seriously deformed at the lower edge of the inner cylinder, and the umbilical cable is expressed as follows: before the tightening mark, namely the cable in the inner cylinder, is thinned, and after the tightening mark, namely the cable in the area of 0.1cm to 2cm outside the inner cylinder, is rolled up to be thick, the lower edge is in a state of being sunk into the umbilical cable, and the umbilical cable is damaged in the sunk position.
Disclosure of Invention
The invention provides a spiral cable pulling device and a using method thereof, which solve the problem that an umbilical cable is seriously abraded at a pit position when in use and are described in detail as follows:
in a first aspect, a helical cable puller comprises: the umbilical cable twisting device comprises a traction mechanism and a twisting mechanism, wherein the traction mechanism is used for providing axial translational force for an umbilical cable, and the twisting mechanism is used for providing circumferential rotational force for the umbilical cable;
the pulling mechanism comprises: at least 1 group of traction sheave groups or at least 1 group of traction belts, wherein the traction sheave groups or the traction belts form a groove for placing an umbilical cable;
the twisting mechanism comprises: at least 1 twisting wheel group or at least 1 twisting belt group, wherein the twisting wheel group or the twisting belt group forms a crack for placing an umbilical cable;
the grooves and the cracks are used for clamping the umbilical cable.
Further, the pulling mechanism further comprises:
the traction main support and the traction auxiliary support move relatively, and the movement amount is controlled by a traction adjusting screw to adjust the size of the groove.
In one embodiment, the rubbing mechanism further includes:
the main twisting support and the auxiliary twisting support move relatively, and the moving amount is controlled by a twisting adjusting screw to adjust the size of the crack.
Furthermore, the traction mechanism and the twisting mechanism are powered by a motor.
In a second aspect, a method of using a helical cable puller, the method comprising the steps of:
when the umbilical cable is recovered, the spiral cable pulling device is erected right above the receiving and transmitting cylinder; placing the umbilical cable into a groove of the traction mechanism and a crack of the twisting mechanism;
adjusting the traction adjusting screw and twisting the adjusting screw to clamp the umbilical cable;
the motor drives the traction mechanism to draw the umbilical cable outwards, the motor drives the twisting mechanism to rotate clockwise and anticlockwise alternately, the twisting umbilical cable rotates clockwise and anticlockwise alternately in the circumferential direction, and the umbilical cable is recovered in a spiral motion mode.
The technical scheme provided by the invention has the beneficial effects that:
1. the spiral recovery umbilical cable can effectively reduce the depth of the 'pit' and reduce the abrasion degree of the umbilical cable; the pulling force of the recovery is reduced, and the load of the cable pulling device and other supporting structures which are responsible for the recovery is reduced.
2. The risk of recovery failure is reduced, and the distance of single detection is increased.
Drawings
FIG. 1 is a schematic view of a "crater";
FIG. 2 is a schematic view showing the umbilical cable, the transceiver with the flexible elbow, and the cable puller in their retracted states;
FIG. 3 is a schematic diagram of the operation of the cable puller;
fig. 4 is a schematic diagram of the assembly relationship of the components of the cable puller.
In the drawings, the components represented by the respective reference numerals are listed below:
1: an inner barrel; 1-1: an inner cylinder straight pipe;
1-3: a flexible bend; 2: an outer cylinder;
3: an umbilical cable; 4: a pipeline to be tested;
5: 1# traction sheave group; 5-1: 1# traction sheave group sheave;
5-2: drawing the main bracket; 5-3: pulling the auxiliary support;
5-4: pulling the adjusting screw; 6: 2# traction sheave group;
6-1: 2# traction sheave group sheave; 7: twisting and rotating the belt group No. 1;
7-1: twisting and rotating the belt of the belt group No. 1; 7-2: twisting and rotating the belt set belt wheel No. 1;
7-3: twisting and rotating the auxiliary bracket; 7-4: the adjusting screw is twisted.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in further detail below.
Example 1
An embodiment of the present invention provides a spiral cable pulling device, referring to fig. 1 to 4, including: the traction mechanism that at least 1 group pulling sheave wheelset or at least 1 group pulling belt group constitute, pulling sheave wheelset or pulling belt group can form the slot that can supply the umbilical cable to put into, reduce the slot size and will clip the umbilical cable, and traction mechanism is except pulling sheave group or pulling belt group, still includes: the main traction bracket and the auxiliary traction bracket can move relatively, and the accurate movement amount is controlled by the traction adjusting screw, so that the size of the groove is adjusted, and the force of the traction mechanism for tightly holding the umbilical cable is adjusted.
Wherein, spiral cable ware still includes: at least 1 group rubs the mechanism of changeing with the hands that the wheelset or at least 1 group rubs with the hands and change the belt group constitution, rubs the wheelset or rubs with the hands and change the belt group and can form the crack that can supply the umbilical cord to put into, reduces the crack size and will carry the umbilical cord cable, rubs the mechanism except rubbing the wheelset or rub with the hands and change the belt group with the hands, still includes: the main twisting support and the auxiliary twisting support are used for supporting the twisting wheel set or the twisting belt set and can move relatively, and the accurate movement amount is controlled by the twisting adjusting screw, so that the size of the crack is adjusted, and the force of the twisting mechanism for tightly holding the umbilical cable is further adjusted.
Furthermore, the traction mechanism and the twisting mechanism are powered by a motor.
In conclusion, the spiral recovery umbilical cable can effectively reduce the depth of the 'pit' and reduce the abrasion degree of the umbilical cable; the pulling force of the recovery is reduced, and the load of the cable pulling device and other supporting structures which are responsible for the recovery is reduced.
Example 2
The embodiment of the invention provides a using method of a spiral cable pulling device, which comprises the following steps:
101: when the umbilical cable needs to be recovered, the spiral cable pulling device is erected right above the receiving and transmitting cylinder;
102: arranging the umbilical cable in a groove of the traction mechanism and a crack of the twisting mechanism;
103: adjusting the traction adjusting screw and twisting the adjusting screw to clamp the umbilical cable;
104: the motor drives the traction mechanism to pull the umbilical cable out of the pipeline, the motor drives the twisting mechanism to rotate clockwise and anticlockwise alternately, the twisting umbilical cable rotates clockwise and anticlockwise alternately in the circumferential direction, and the umbilical cable is recovered in the spiral motion mode.
In conclusion, the spiral recovery umbilical cable can effectively reduce the depth of the 'pit' and reduce the abrasion degree of the umbilical cable; the pulling force of the recovery is reduced, and the load of the cable pulling device and other supporting structures which are responsible for the recovery is reduced.
Example 3
The schemes of examples 1 and 2 are further described below in conjunction with fig. 1-4, and are described in detail below:
firstly, the preparation work before the operation of the spiral cable pulling device and the state of each part are described:
when the construction is started, the outer cylinder 2 of the receiving and dispatching cylinder is arranged on a prefabricated inlet flange of a pipeline 4 to be tested; the inner cylinder 1 is pushed into the pipeline 4 to be tested by external force, and the lower edge of a flexible bent pipe 1-3 contained at the lower part of the inner cylinder 1 is kept below the top point of the pipeline 4 to be tested; when the detection is started, the detector passes through the inner cylinder 1 and enters the pipeline 4 to be detected through external force or self power of the detector, and the umbilical cable 3 is dragged by the detector and also passes through the inner cylinder 1 and enters the pipeline 4 to be detected.
The assembly relation of the parts of the spiral cable pulling device and the use method are described as follows:
when the detector needs to be recovered, the spiral cable pulling device is arranged on the frame right above the receiving and transmitting barrel. The specific structure and the using method of the cable pulling device are as follows:
the 1# traction sheave wheel group 5 and the 2# traction sheave wheel group 6 form a traction mechanism in the embodiment, 2# traction sheave wheel group sheaves 5-1 form a groove, 2# traction sheave wheel group sheaves 6-1 also form a groove, the 2 grooves can be respectively filled with umbilical cables 3, the traction main support 5-2 and the traction auxiliary support 5-3 support the 1# traction sheave wheel group sheaves 5-1 and the 2# traction sheave wheel group sheaves 6-1, the traction main support 5-2 and the traction auxiliary support 5-3 can move relatively, and the accurate movement amount is controlled by adjusting the traction adjusting screws 5-4, so that the size of the 2 grooves is adjusted.
The 1# twisting belt group 7 forms a twisting mechanism in the embodiment, 4 1# twisting belt group belt wheels 7-2 support 2# twisting belt group belts 7-1, a gap is formed between the 2# twisting belt group belts 7-1, umbilical cables can be placed in the gap, a twisting main support, namely a traction main support 5-2, a twisting auxiliary support 7-3 supports the 1# twisting belt group belt wheel 7-2, the twisting main support, namely the traction main support 5-2 and the twisting auxiliary support 7-3 can move relatively, and the size of the gap is adjusted by adjusting a twisting adjusting screw 7-4 to control accurate movement amount; the umbilical cable is tightly held by adjusting the traction adjusting screws 5-4 and the twisting adjusting screws 7-4, the motor drives the 1# traction sheave group 5, the 2# traction sheave group 6 and the 1# twisting belt group 7 to rotate according to the direction shown in the figure, and the umbilical cable 3 is recovered in a spiral mode.
During recovery, the umbilical cable 3 is always put on the lower edge of the flexible elbow 1-3 contained in the inner cylinder 1, and near the lower edge, the umbilical cable 3 is pulled out of deformation, which is expressed as: before the tightening mark, namely the umbilical cable 3 in the inner barrel 1 becomes thin; after the mark is tightened, namely the umbilical cable 3 in the area of 0.1cm to 2cm outside the inner cylinder 1 is rolled to be thick, the lower edge is in a state of being sunk into the umbilical cable 3, and the umbilical cable is worn in the sunk pit; when adopting the spiral mode to retrieve umbilical cable 3, the lower part border of inner tube 1 is not directly to the uphill section of "pitfall" of striking dead ahead head on, but to the motion of side the place ahead, bypasses "pitfall" the highest uphill section to a certain extent to reduce frictional force, reduce the wearing and tearing volume.
In the embodiment of the present invention, except for the specific description of the model of each device, the model of other devices is not limited, as long as the device can perform the above functions.
Those skilled in the art will appreciate that the drawings are only schematic illustrations of preferred embodiments, and the above-described embodiments of the present invention are merely provided for description and do not represent the merits of the embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A helical cable puller, comprising: the umbilical cable twisting device comprises a traction mechanism and a twisting mechanism, wherein the traction mechanism is used for providing axial translational force for an umbilical cable, and the twisting mechanism is used for providing circumferential rotational force for the umbilical cable;
the pulling mechanism comprises: at least 1 group of traction sheave groups or at least 1 group of traction belts, wherein the traction sheave groups or the traction belts form a groove for placing an umbilical cable;
the twisting mechanism comprises: at least 1 twisting wheel group or at least 1 twisting belt group, wherein the twisting wheel group or the twisting belt group forms a crack for placing an umbilical cable;
the grooves and the cracks are used for clamping the umbilical cable.
2. The helical cable puller according to claim 1, wherein said pulling mechanism further comprises:
the traction main support and the traction auxiliary support move relatively, and the movement amount is controlled by a traction adjusting screw to adjust the size of the groove.
3. The helical cable puller according to claim 1, wherein said twist mechanism further comprises:
the main twisting support and the auxiliary twisting support move relatively, and the moving amount is controlled by a twisting adjusting screw to adjust the size of the crack.
4. The cable retractor of claim 1 wherein the pulling mechanism and the twisting mechanism are powered by a motor.
5. A method of using a helical tensioner as claimed in any one of claims 1 to 4, the method comprising the steps of:
when the umbilical cable is recovered, the spiral cable pulling device is erected right above the receiving and transmitting cylinder; placing the umbilical cable into a groove of the traction mechanism and a crack of the twisting mechanism;
adjusting the traction adjusting screw and twisting the adjusting screw to clamp the umbilical cable;
the motor drives the traction mechanism to draw the umbilical cable outwards, the motor drives the twisting mechanism to rotate clockwise and anticlockwise alternately, the twisting umbilical cable rotates clockwise and anticlockwise alternately in the circumferential direction, and the umbilical cable is recovered in a spiral motion mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111128491.4A CN113753659B (en) | 2021-09-26 | 2021-09-26 | Spiral cable pulling device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111128491.4A CN113753659B (en) | 2021-09-26 | 2021-09-26 | Spiral cable pulling device and using method |
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| Publication Number | Publication Date |
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| CN113753659A true CN113753659A (en) | 2021-12-07 |
| CN113753659B CN113753659B (en) | 2022-11-11 |
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| CN202111128491.4A Active CN113753659B (en) | 2021-09-26 | 2021-09-26 | Spiral cable pulling device and using method |
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