CN108757834B - Crimping and fixing method of steel wire rope crimping and fixing device - Google Patents
Crimping and fixing method of steel wire rope crimping and fixing device Download PDFInfo
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- CN108757834B CN108757834B CN201810704597.6A CN201810704597A CN108757834B CN 108757834 B CN108757834 B CN 108757834B CN 201810704597 A CN201810704597 A CN 201810704597A CN 108757834 B CN108757834 B CN 108757834B
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- wire rope
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
- F16G11/04—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps
- F16G11/05—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps by using conical plugs insertable between the strands
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ropes Or Cables (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to a steel wire rope compression joint fixing device which comprises an embedded cylinder and an outer sleeve; the embedded cylinder is gradually narrowed and formed into a tip end at two axial sides, a clamping groove is formed in the middle of the embedded cylinder in an inwards sunken mode, and the embedded cylinder is formed by buckling and splicing a pair of embedded half cylinders with semicircular sections; the outer sleeve is a hollow cylindrical structure which is narrow in the outer part and wide in the inner part in the axial direction, the outer sleeve is formed by buckling and splicing a pair of outer sleeve half cylinders, the pair of outer sleeve half cylinders are respectively provided with a positioning hole and inserted with a bolt for fixing, and threading holes are uniformly distributed in the circumferential direction of the near ends of the pair of outer sleeves. A crimping and fixing method of a steel wire rope crimping and fixing device comprises the following steps: step, reverse twisting the steel wire rope; step, inserting an embedded half cylinder; resetting the steel wire rope; step, setting the embedded half cylinder again; step, limiting the position of the embedded half cylinder; step, sleeving an outer sleeve.
Description
Technical Field
The invention relates to the technical field of power transmission and transformation, in particular to a crimping and fixing method of a steel wire rope crimping and fixing device.
Background
For a long time, the return bend tail line of the stay wire of the power transmission and distribution line is fixed on the stay wire by adopting a method of binding iron wires. The iron wire binding process has high requirement on the skills of operators, the operators are time-consuming and labor-consuming to operate, and if the operators do not operate properly, the bound iron wires are injured and the surface zinc coating is damaged, so that the bound wires are rusted and seriously rusted. In order to prevent the back-bending tail wire binding iron wire from being corroded, a line patrol worker needs to check the back-bending tail wire binding iron wire of the pull wire and perform rust prevention treatment every two to three years, and the maintenance workload is large.
The application No. 201210194069.3, application No. 2012.06.14, discloses a method for crimping and fixing a bent tail of a stay wire of a power transmission and distribution line, which comprises the following steps: the method comprises the steps of pre-inserting the stay wire of the power transmission and distribution line into the splicing sleeve, then bending one end of the stay wire back to form a back bent tail wire, inserting the splicing sleeve again, and pressurizing, so that the back bent tail wire of the stay wire of the power transmission and distribution line is fixed on the stay wire through the splicing sleeve. The invention uses the lead laminating, crimping and fixing method to crimp the back bent tail of the stay wire, thereby improving the working efficiency and being free from maintenance. The working efficiency is improved by arranging the splicing sleeve, but the stay wire needs to bear the tensile force for a long time, so that the stay wire is easy to slip from the splicing sleeve, and a firmer splicing method needs to be designed.
The prior art also has a mode of reinforcing through a U-shaped clamp, and the U-shaped clamp has higher clamping force on the electric power stay wire, but still has the slipping risk after long-term use.
Disclosure of Invention
In order to solve the technical problems in the background art, the steel wire rope crimping and fixing device and the crimping and fixing method are provided, and the friction force between the steel wire ropes and the friction force between the double-hole U-shaped clamp and the steel wire ropes are greatly increased by arranging the embedded pipe in the steel wire ropes; the outer sleeve only tightly sleeves the strand on the embedded cylinder, and friction force is further increased to avoid the sliding of the embedded cylinder.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a steel wire rope crimping and fixing device comprises
One embedded cylinder is used for being inserted into the steel wire rope;
the pair of outer sleeves are used for being sleeved at two ends of the embedded cylinder;
the embedded cylinder is gradually narrowed and formed into a tip end at two axial sides, a clamping groove is formed in the middle of the embedded cylinder in an inwards sunken mode, and the embedded cylinder is formed by buckling and splicing a pair of embedded half cylinders with semicircular sections;
the outer sleeve is a hollow cylindrical structure which is narrow in the outer part and wide in the inner part in the axial direction, the outer sleeve is formed by buckling and splicing a pair of outer sleeve half cylinders, the pair of outer sleeve half cylinders are respectively provided with a positioning hole and inserted with a bolt for fixing, and threading holes are uniformly distributed in the circumferential direction of the near ends of the pair of outer sleeves.
Furthermore, at least two clamping grooves are arranged along the axial direction of the embedded semi-cylinder.
Furthermore, be equipped with spacing hole on the straight face of embedded half a section of thick bamboo, spacing downthehole dismantlement is connected with the locating part.
Furthermore, the limiting hole is a blind hole, and the limiting part is a telescopic rod body.
Furthermore, the limiting hole is a through hole, and the limiting part is a bolt pair.
A crimping and fixing method of a steel wire rope crimping and fixing device comprises the following steps:
step 1, reversely twisting a steel wire rope:
clamping two points with the distance not less than 100mm on the steel wire rope by using a clamp, and twisting along the reverse direction of the twisting direction of the strands of the steel wire rope, so that the strands of the steel wire rope gradually protrude outwards in an arc shape along the radial direction of a rope core;
step 2.1: expanding the gap between any two strands;
step 2.2: the tip end of the embedded half cylinder penetrates through the gap in the step 2.1 and is inwards inserted into a space between the strand and the rope core;
step 2.2: pushing the embedded half cylinder to axially move along the rope core 3a until the whole side surface of the embedded half cylinder is inserted between the strand and the rope core;
step 2.3: pushing the part of the embedded half cylinder exposed outside the stranded rope between the stranded rope and the rope core to enable the inner wall of the embedded half cylinder to be attached to the rope core;
and 3, resetting the steel wire rope:
twisting along the strand twisting direction of the steel wire rope to enable the strand to tightly wind the embedded half cylinder;
repeating the steps 1 to 3, arranging another embedded half cylinder at a second position of the same steel wire rope so as to bend and crimp the steel wire rope, or arranging another embedded half cylinder on another steel wire rope so as to crimp two steel wire ropes;
step 5, limiting the position of the embedded half cylinder:
step 5.1, inserting two embedded half cylinders arranged at two positions on the same steel wire rope or inserting the embedded half cylinders respectively arranged on the two steel wire ropes into clamping hole positions of the single-hole U-shaped clamp;
step 5.2, adjusting the two embedded half cylinders to enable the flat surfaces of the two embedded half cylinders to be close to each other and keep parallel, and then preliminarily clamping the clamping grooves of the embedded cylinders through the single-hole-site U-shaped clamps;
step 5.3, inserting the limiting piece into the limiting hole, and buckling a pair of embedded half cylinders into a whole;
step 6, sleeving an outer sleeve;
step 6.1: splitting an outer sleeve half barrel of the outer sleeve, sleeving any one end of the embedded barrel, aligning positioning holes of the outer sleeve half barrel, arranging a bolt pair for clamping and fixing, and enabling the inner wall of the outer sleeve to be tightly attached to the strand on the surface of the tip end;
step 6.2: repeating the step 6.1, and sleeving an outer sleeve on the other end of the embedded cylinder;
step 6.3: loosening the single-hole U-shaped clamp, and penetrating a fixing line between the threading holes of the two outer sleeves, wherein the fixing line penetrates through the single-hole U-shaped clamp, and the fixing line tensions the pair of outer sleeves in the similar direction;
step 6.4: and tightening the single-hole U-shaped clamp, and clamping the fixed wire, the stranded rope, the embedded half cylinder and the rope core by the single-hole U-shaped clamp.
Further, in the step 1, stopping when the strand protrusion height is larger than the thickness of the half cylinder body, and then keeping the clamp position still.
The invention has the beneficial effects that:
the crimping and fixing device provided by the invention makes full use of the structure of the steel wire rope, and can more firmly fix the steel wire rope compared with the prior art.
The steel wire rope compression joint fixing device is provided with the embedded cylinder, the embedded cylinder is inserted into the steel wire rope, the outer surface area of the stranded rope is increased, and the clamping force of the single-hole-site U-shaped clamp on the embedded cylinder and the stranded rope is increased.
The power transmission and distribution line compression joint fixing device is further provided with a pair of outer sleeves, and the outer sleeves further clamp the stranded rope and the embedded cylinders to prevent the embedded cylinders from axially sliding along the core rope.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of one embodiment of a crimp holding device of the present invention.
FIG. 2 is a cross-sectional view of one embodiment of the crimp fixing method of the present invention.
FIG. 3 is a schematic view of one embodiment of a crimp fixing method of the present invention.
In the figure:
1. the embedded cylinder comprises an embedded cylinder body, a tip 1a, a clamping groove 1b, a limiting hole 1c, a limiting part 1d and an embedded half cylinder body 11;
2. the outer sleeve, 2a, a positioning hole, 2b, a threading hole and 21, an outer sleeve half-cylinder;
3. steel wire rope, 3a core rope, 3b strand rope;
4. single hole U-shaped clamp.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A steel wire rope crimping and fixing device comprises
One embedded cylinder 1 is used for being inserted into the steel wire rope 3;
the pair of outer sleeves 2 are sleeved at two ends of the embedded sleeve 1;
the embedded cylinder 1 is gradually narrowed and formed into a tip 1a at two axial sides, a clamping groove 1b is formed in the middle of the embedded cylinder 1 in an inwards concave mode, and the embedded cylinder 1 is formed by buckling and splicing a pair of embedded half cylinders 11 with semicircular sections;
the outer sleeve 2 is a hollow cylindrical structure which is narrow in the outer part and wide in the inner part in the axial direction, the outer sleeve 2 is formed by buckling and splicing a pair of outer sleeve half cylinders 21, the pair of outer sleeve half cylinders 21 are respectively provided with a positioning hole 2a and are fixed by inserting a bolt, and the adjacent ends of the pair of outer sleeves 2 are circumferentially and uniformly provided with threading holes 2b.
Furthermore, at least two clamping grooves 1b are axially arranged along the embedded half cylinder 11.
Furthermore, be equipped with spacing hole 1c on the straight face of embedded half section of thick bamboo 11, can dismantle in spacing hole 1c and be connected with locating part 1d.
Furthermore, spacing hole 1c is the blind hole, locating part 1d is the scalable body of rod.
Further, the limiting hole 1c is a through hole, and the limiting piece 1d is a bolt pair.
A crimping and fixing method of a steel wire rope crimping and fixing device comprises the following steps:
step 1, reversely twisting a steel wire rope 3:
using a clamp, simultaneously clamping two points on the steel wire rope 3 with a distance not less than 100mm, and twisting along the reverse direction of the twisting direction of the strand 3b of the steel wire rope 3, so that the strand 3b of the steel wire rope 3 gradually protrudes outwards in an arc shape along the radial direction of the rope core 3 a;
step 2.1: expanding the gap between any two strands 3 b;
step 2.2: inserting the tip 1a of the embedded half cylinder 11 through the gap in the step 2.1 to the space between the strand 3b and the core 3 a;
step 2.2: pushing the half-tube 11 axially along the core 3a until the entire side of the half-tube 11 is inserted between the strand 3b and the core 3 a;
step 2.3: pushing the part of the embedded half tube 11 exposed out of the strand 3b into the space between the strand 3b and the rope core 3a to enable the inner wall of the embedded half tube 11 to be attached to the rope core 3 a;
and 3, resetting the steel wire rope 3:
twisting along the twisting direction of the strand 3b of the steel wire rope 3, so that the strand 3b tightly winds the embedded half cylinder 11;
repeating the steps 1 to 3, arranging another embedded half cylinder 11 at a second position of the same steel wire rope 3 so as to bend and crimp the steel wire rope, or arranging another embedded half cylinder 11 on another steel wire rope 3 so as to crimp two steel wire ropes;
step 5, limiting the position of the embedded half cylinder 11:
step 5.1, inserting two embedded half cylinders 11 arranged on the same steel wire rope 3 or inserting the embedded half cylinders 11 arranged on the two steel wire ropes 3 into clamping hole positions of the single-hole U-shaped clamp 4 respectively;
step 5.2, adjusting the two embedded half cylinders 11 to enable the flat surfaces to be close to each other and keep parallel, and then primarily clamping the clamping grooves 1b of the embedded cylinders 1 through the single-hole-site U-shaped clamps 4;
step 5.3, inserting the limiting piece 1d into the limiting hole 1c, and buckling a pair of embedded half cylinders 11 into a whole;
step 6, sleeving the outer sleeve 2;
step 6.1: splitting the outer sleeve half barrel 21 of the outer sleeve 2, then sleeving any one end of the embedded barrel 1, aligning the positioning hole 2a of the outer sleeve half barrel 21, arranging a bolt pair for clamping and fixing, and enabling the inner wall of the outer sleeve 2 to be tightly attached to the strand 3b on the surface of the tip end 1 a;
step 6.2: repeating the step 6.1, and sleeving the outer sleeve 2 on the other end of the embedded cylinder 2;
step 6.3: loosening the single-hole U-shaped clamp 4, and penetrating a fixing line between the threading holes 2b of the two outer sleeves 2, wherein the fixing line penetrates through the single-hole U-shaped clamp 4, and the fixing line tensions the pair of outer sleeves 2 in the similar direction;
step 6.4: and tightening the single-hole U-shaped clamp 4 again, wherein the fixed wire, the strand 3b, the embedded half cylinder 11 and the rope core 3a are clamped tightly by the single-hole U-shaped clamp 4.
Further, in the step 1, when the protruding height of the strand 3b is larger than the thickness of the half cylinder body 1a, the process is stopped, and then the position of the clamp is kept still.
Claims (2)
1. A crimping and fixing method of a steel wire rope crimping and fixing device is characterized in that:
the steel wire rope crimping and fixing device comprises
One embedded cylinder (1) is used for being inserted into the steel wire rope (3);
the pair of outer sleeves (2) is sleeved at two ends of the embedded sleeve (1);
the embedded cylinder (1) is gradually narrowed at two axial sides to form a tip (1a), the middle part of the embedded cylinder (1) is inwards sunken to form a clamping groove (1b), and the embedded cylinder (1) is formed by buckling and splicing a pair of embedded half cylinders (11) with semicircular sections;
the outer sleeve (2) is of a hollow cylindrical structure which is narrow in the axial direction and wide in the inner direction, the outer sleeve (2) is formed by buckling and splicing a pair of outer sleeve half cylinders (21), the pair of outer sleeve half cylinders (21) are respectively provided with positioning holes (2a) and are fixed by inserting bolts, and threading holes (2b) are uniformly distributed at the close ends of the pair of outer sleeves (2) in the circumferential direction;
at least two clamping grooves (1b) are axially arranged along the embedded half cylinder (11);
a limiting hole (1c) is formed in the flat surface of the embedded half cylinder (11), and a limiting part (1d) is detachably connected in the limiting hole (1 c);
the limiting hole (1c) is a through hole, and the limiting piece (1d) is a bolt pair;
the crimping and fixing method comprises the following steps:
step 1, reversely twisting a steel wire rope (3):
clamping two points with the distance not less than 100mm on the steel wire rope (3) by using a clamp, and twisting along the reverse direction of the twisting direction of the strand (3b) of the steel wire rope (3) so that the strand (3b) of the steel wire rope (3) gradually protrudes outwards in an arc shape along the radial direction of the rope core (3 a);
step 2, inserting an embedded half cylinder (11):
step 2.1: expanding the gap between any two strands (3 b);
step 2.2: inserting the tip (1a) of the embedded half cylinder (11) into the space between the strand (3b) and the rope core (3a) through the gap in the step 2.1;
step 2.2: pushing the half-tube (11) axially along the core (3a) until the entire side of the half-tube (11) is inserted between the strand (3b) and the core (3 a);
step 2.3: pushing the part of the embedded half tube (11) exposed out of the strand rope (3b) between the strand rope (3b) and the rope core (3a) to enable the inner wall of the embedded half tube (11) to be attached to the rope core (3 a);
and 3, resetting the steel wire rope (3):
twisting along the twisting direction of the strand (3b) of the steel wire rope (3) so that the strand (3b) tightly winds the embedded half cylinder (11);
and 4, setting the embedded half cylinder (11) again:
repeating the steps 1 to 3, arranging another embedded half cylinder (11) at a second position of the same steel wire rope (3) so as to crimp the steel wire rope, or arranging another embedded half cylinder (11) on another steel wire rope (3) so as to crimp two steel wire ropes;
step 5, defining the position of the embedded half cylinder (11):
step 5.1, inserting two embedded half cylinders (11) arranged on the same steel wire rope (3) or the embedded half cylinders (11) respectively arranged on the two steel wire ropes (3) into clamping hole positions of the single-hole U-shaped clamp (4);
step 5.2, adjusting two embedded half cylinders (11) to enable the flat surfaces to be close to each other and keep parallel, and then preliminarily clamping the clamping grooves (1b) of the embedded cylinders (1) through the single-hole-site U-shaped clamps (4);
step 5.3, inserting the limiting piece (1d) into the limiting hole (1c) and buckling a pair of embedded half cylinders (11) into a whole;
step 6, sleeving an outer sleeve (2);
step 6.1: splitting an outer sleeve half barrel (21) of the outer sleeve (2) firstly and then sleeving any one end of the embedded barrel (1), aligning a positioning hole (2a) of the outer sleeve half barrel (21) and arranging a bolt pair for clamping and fixing, wherein the inner wall of the outer sleeve (2) is tightly attached to a stranded rope (3b) on the surface of the tip (1 a);
step 6.2: repeating the step 6.1, and sleeving the outer sleeve (2) on the other end of the embedded cylinder (2);
step 6.3: loosening the single-hole U-shaped clamp (4), and penetrating a fixing line between the threading holes (2b) of the two outer sleeves (2), wherein the fixing line penetrates through the single-hole U-shaped clamp (4), and the fixing line tensions the pair of outer sleeves (2) in the similar direction;
step 6.4: and tightening the single-hole U-shaped clamp (4) again, wherein the single-hole U-shaped clamp (4) clamps the fixed wire, the stranded rope (3b), the embedded half cylinder (11) and the rope core (3 a).
2. A crimping fixing method according to claim 1, characterized in that: in the step 1, stopping when the protruding height of the strand (3b) is larger than the thickness of the half cylinder body, and then keeping the position of the clamp still.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704597.6A CN108757834B (en) | 2018-07-02 | 2018-07-02 | Crimping and fixing method of steel wire rope crimping and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704597.6A CN108757834B (en) | 2018-07-02 | 2018-07-02 | Crimping and fixing method of steel wire rope crimping and fixing device |
Publications (2)
| Publication Number | Publication Date |
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| CN108757834A CN108757834A (en) | 2018-11-06 |
| CN108757834B true CN108757834B (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810704597.6A Active CN108757834B (en) | 2018-07-02 | 2018-07-02 | Crimping and fixing method of steel wire rope crimping and fixing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08333842A (en) * | 1995-06-08 | 1996-12-17 | S C R Corp:Kk | Fixing device for end section of tension member made of steel and assembling method thereof |
| CN101749367A (en) * | 2008-12-15 | 2010-06-23 | 甘肃省电力公司金昌供电公司 | Crimping sleeve of pull-back wire |
| CN104319717A (en) * | 2014-10-29 | 2015-01-28 | 国家电网公司 | Electric power circuit alarm stay wire crimping device |
| KR20150096863A (en) * | 2014-02-17 | 2015-08-26 | 농업회사법인 주식회사 이원 | A anchor wire and method for fixing the same |
| CN206816752U (en) * | 2017-06-05 | 2017-12-29 | 南阳二机石油装备集团股份有限公司 | A kind of steel wire rope fixes rope sling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8225463B2 (en) * | 2008-09-23 | 2012-07-24 | Timothy Bourke | Rope clamping device |
-
2018
- 2018-07-02 CN CN201810704597.6A patent/CN108757834B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08333842A (en) * | 1995-06-08 | 1996-12-17 | S C R Corp:Kk | Fixing device for end section of tension member made of steel and assembling method thereof |
| CN101749367A (en) * | 2008-12-15 | 2010-06-23 | 甘肃省电力公司金昌供电公司 | Crimping sleeve of pull-back wire |
| KR20150096863A (en) * | 2014-02-17 | 2015-08-26 | 농업회사법인 주식회사 이원 | A anchor wire and method for fixing the same |
| CN104319717A (en) * | 2014-10-29 | 2015-01-28 | 国家电网公司 | Electric power circuit alarm stay wire crimping device |
| CN206816752U (en) * | 2017-06-05 | 2017-12-29 | 南阳二机石油装备集团股份有限公司 | A kind of steel wire rope fixes rope sling |
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| CN108757834A (en) | 2018-11-06 |
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