CN115377909A - Tension-resistant wire clamp for traction wire - Google Patents
Tension-resistant wire clamp for traction wire Download PDFInfo
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- CN115377909A CN115377909A CN202210933448.3A CN202210933448A CN115377909A CN 115377909 A CN115377909 A CN 115377909A CN 202210933448 A CN202210933448 A CN 202210933448A CN 115377909 A CN115377909 A CN 115377909A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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Abstract
The invention belongs to the field of power connection equipment, and particularly relates to a tension clamp for a traction lead, which comprises a second fixed pipe, wherein a sliding sleeve is arranged on the second fixed pipe in a sliding manner, a first fixed pipe is fixedly connected to one end surface, close to a back pressure cavity, of the second fixed pipe, a wide groove is arranged on the inner circumferential surface, close to the back pressure cavity, of the first fixed pipe, a sliding block is connected to the wide groove in a sliding manner, cams are rotatably arranged on two sides of the wide groove, a connecting rod is fixedly connected to the outer edge profile surface of each cam, one end, far away from the cams, of each connecting rod is in threaded connection with a pressure handle, a third fixed pipe is arranged at one end, far away from the first fixed pipe, of the second fixed pipe, the third fixed pipe is connected with the second fixed pipe through the connecting rod, a bottom plate is arranged at one end, far away from the second fixed pipe, U-shaped steel sleeves are respectively arranged at two ends of the bottom plate, a rubber cushion block is arranged at one side, a base plate far away from the rubber cushion block is arranged at one side of the steel sleeve, and nuts in threaded connection are respectively arranged at two ends of the steel sleeve. Can be fixed wire and strain clamp.
Description
Technical Field
The invention belongs to the field of power connection equipment, and particularly relates to a strain clamp for a traction wire.
Background
The strain clamp is used for fixing a wire to bear the tension of the wire, and hanging the wire to a strain insulator-string group or a hardware fitting on a tower, wherein the strain clamp is mainly used for enabling the wire to have certain tension by depending on a traction device when the stay wire of the stay wire tower is fixed, and then the strain clamp is fixed with the fixed end, so that the tension of the wire is reduced easily when the wire is transferred to the strain clamp by the traction device in the process. Therefore, it is extremely important to design a tension-resistant clamp for a traction wire.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a tension-resistant wire clamp for a traction lead, which can enable the traction lead to have certain tension and then be fixed with the tension-resistant wire clamp.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a strain clamp of traction wire, includes the fixed pipe of second, the fixed intraductal slip of second is equipped with the sliding sleeve, the fixed pipe of second is close to the first fixed pipe of fixed connection on the terminal surface in back pressure chamber, be close to back pressure chamber department on the inner peripheral face of first fixed pipe and be equipped with the broad groove, sliding connection slider in the broad groove, it is equipped with the cam to rotate on the both sides in broad groove, fixed connection connecting rod on the outer fringe profile face of cam, the one end threaded connection who keeps away from the cam presses the handle to the connecting rod, the connecting rod is close to cam department and is equipped with the draw-in groove that can block the pressure handle, be close to cam department and be equipped with the locking groove on the sliding sleeve, the one end that first fixed pipe was kept away from to the fixed pipe of second is equipped with the fixed pipe of third, be connected through the connecting rod between the fixed pipe of third and the second, the one end that the fixed pipe of second was kept away from to the fixed pipe of third is equipped with the bottom plate that inclines certain angle with the fixed pipe axis of third, be equipped with the steel bushing of U type on the both ends of bottom plate respectively, the steel bushing is close to bottom plate one side of being equipped with the fixed rubber pad and is equipped with the fixed pipe and the both ends of fixed nut, the fixed nut that the fixed pipe and the wire supply the second nut, steel bushing to pass through the two.
Preferably, a front pressure cavity is arranged between the sliding sleeve and one end face, close to the third fixed pipe, of the second fixed pipe, the inner circumferential surface of the second fixed pipe is connected with a front fixing block in a sliding mode, a sliding groove of the front fixing block is communicated with the front pressure cavity, the front fixing block is connected with the second fixed pipe through a first spring, the outer circumferential surface of the sliding sleeve is rotatably connected with one end of a first connecting rod, driving the sliding sleeve to slide relative to the second fixed pipe, the outer circumferential surface of the third fixed pipe is rotatably connected with one end of a second connecting rod, and the other end, far away from the sliding sleeve, of the first connecting rod is rotatably connected with the middle of the second connecting rod.
Preferably, sliding sleeve and the fixed pipe of second are equipped with the back pressure chamber between being close to a terminal surface of first fixed pipe, the fixed intraductal first air flue that is equipped with the back pressure chamber of intercommunication of second, sliding connection breather pipe in the first air flue, the fixed intraductal second air flue that is equipped with of third, sliding connection after-fixing block on the inner peripheral face of the fixed pipe of third, the sliding tray and the second air flue intercommunication of after-fixing block, through second spring coupling between the fixed pipe of after-fixing block and third, the fixed pipe of third is close to the one end of fixed connection breather pipe on the terminal surface of the fixed pipe of second, be equipped with the air duct of intercommunication first air flue and second air flue in the breather pipe.
Preferably, a third air passage communicated with the sliding groove of the front fixing block is arranged in the second fixing pipe, a thick sleeve communicated with the third air passage is arranged on the end face, close to the third fixing pipe, of the second fixing pipe, a fourth air passage capable of sliding relative to the thick sleeve is arranged on the third fixing pipe, the bottom face, located in the third fixing pipe, of the fourth air passage is fixedly connected with a thin rod, one end, far away from the third fixing pipe, of the thin rod is connected with the inner circumferential face of the thick sleeve in a sliding mode, a first clamping groove is arranged at the position, close to one end of the thin rod, of the inner circumferential face of the thick sleeve, a first locking block is connected in the first clamping groove in a sliding mode, the first locking block is connected with the first clamping groove through a third spring, and a fifth air passage capable of sliding relative to the first locking block and communicated with the third air passage is arranged at the position, close to the first clamping groove, of one end of the thin rod.
Preferably, a second clamping groove is formed in the inner circumferential surface of the thick sleeve, the position, close to one end far away from the second fixing pipe, of the thick sleeve, a second locking block is connected in the second clamping groove in a sliding mode, the second locking block is connected with the second clamping groove through a fourth spring, a sixth air channel capable of sliding relative to the second locking block is arranged on the thin rod, close to the bottom face of the fourth air channel, and a seventh air channel communicated with the sixth air channel and a sliding groove of the rear fixing block is arranged in the third fixing pipe.
Preferably, one end, far away from the third fixed pipe, of the second connecting rod is provided with a curved arc, one end of the curved arc can be locked with each other when the third fixed pipe is attached to the second fixed pipe, and an inclined plane for jacking the lead is arranged on the front fixed block and the rear fixed block and faces one side of the first fixed pipe.
Preferably, the bottom plate is fixedly connected with a steel bar which is fixed on the ground or other objects, and the steel bar is fixed relative to the bottom plate, and one end of the wire channel is exposed, so that the wire can conveniently penetrate out and needs to be manually twisted into a required shape;
a method for using a tension resistant clamp of a traction lead in a matching way comprises the following steps:
s1: tightening the nut to fix the bottom plate and the ground or other fixed objects;
s2: after the lead is led out from the lead channel manually, the lead is pulled to ensure that certain initial tension is formed between the lead and the pylon;
s3, pulling the second connecting rod, so that the front fixing block in the second fixing pipe clamps one position of the wire and then pulls to reduce the gap between the second fixing pipe and the third fixing pipe and increase the tension between the wire and the wire tower;
s4, pushing the second connecting rod, so that the rear fixing block clamps the wire, and then loosening the clamping relation between the front fixing block and the wire, and pushing the second fixing pipe to increase the gap between the second fixing pipe and the third fixing pipe;
s5, repeating the steps S and S to continuously increase the tension between the lead and the line tower;
and S6, pulling the pressing handle, so that the sliding block extrudes the lead for secondary locking under the pressing action of the cam.
Has the advantages that:
1. in order to prevent the lead from loosening in long-term use, the fixing block is pressed by gas in the sealing cavity, so that the sealing performance of the sealing cavity is guaranteed, the reaction force direction of the lead on the fixing block is staggered with the stress direction when the gas pressure in the sealing cavity changes, and the phenomenon that the lead is fixed and loosened due to the fact that the transmission strain clamp is subjected to self-locking failure of threads is avoided;
2. the connecting rod can be utilized to pull the wire to have certain tension, the wire is ensured to be continuously pulled through the communication of the air cavity during pulling, and the phenomenon that the pulled tower is not fixed firmly due to the tension loss of the wire is avoided;
3. the secondary locking is adopted to avoid the loosening of the conducting wire, the cam self-locking is adopted to fix the conducting wire, and the cam is not easy to rotate by the radial force of the conducting wire to cause loosening.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view ofbase:Sub>A portion of FIG. 2 at A-A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
fig. 6 is a partial enlarged view at D in fig. 2.
In the figure: the device comprises a second fixed pipe 10, a sliding sleeve 11, a front pressure cavity 12, a rear pressure cavity 13, a front fixed block 14, a first spring 15, a first fixed pipe 16, a wide groove 17, a sliding block 18, a cam 19, a connecting rod 20, a pressure handle 21, a clamping groove 22, an anti-loosening groove 23, a guide wire channel 24, a third fixed pipe 25, a rear fixed block 26, a second spring 27, a first air channel 28, a vent pipe 29, a second air channel 30, a third air channel 31, a coarse sleeve 32, a fourth air channel 33, a thin rod 34, a first clamping groove 35, a first locking block 36, a third spring 37, a fifth air channel 38, a second clamping groove 39, a second locking block 40, a fourth spring 41, a sixth air channel 42, a seventh air channel 43, a bottom plate 44, a first connecting rod 45, a second connecting rod 46, a steel sleeve 47, a rubber cushion block 48, a backing plate 49 and a nut 50.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
With reference to fig. 1-6, a tension-resistant cable clamp for pulling a wire, including a second fixing tube 10, a sliding sleeve 11 slidably disposed on the second fixing tube 10, a first fixing tube 16 fixedly connected to an end surface of the second fixing tube 10 close to a rear pressure chamber 13, a wide groove 17 disposed on an inner circumferential surface of the first fixing tube 16 close to the rear pressure chamber 13, a sliding connection slider 18 slidably disposed in the wide groove 17, cams 19 rotatably disposed on both sides of the wide groove 17, a connection rod 20 fixedly connected to an outer edge profile surface of the cams 19, a threaded connection pressure handle 21 disposed on an end of the connection rod 20 far away from the cams 19, a clamping groove 22 disposed on the connection rod 20 close to the cams 19 and capable of clamping the pressure handle 21, an anti-loosening groove 23 disposed on the sliding sleeve 11 close to the cams 19, a third fixing tube 25 disposed on an end of the second fixing tube 10 far away from the first fixing tube 16, a third fixing tube 25 disposed on an end of the third fixing tube 25 far away from the first fixing tube 16, a connection between the third fixing tube 25 and the second fixing tube 10 via a connection rod, a bottom plate 44 having a cushion plate 44 inclined at an axis 44, a cushion plate 47 disposed on both ends of the two ends of the fixing tube 44, a steel bushing 48, a rubber bushing 48 disposed on a side of the bottom plate 48 for reducing a connection rubber bushing for connecting the wire, and a rubber bushing 48 disposed on the two ends of the wire, and a bushing 48, disposed on the second fixing tube 16.
Further, a front pressure cavity 12 is arranged between the sliding sleeve 11 and one end face of the second fixed pipe 10 close to the third fixed pipe 25, the inner circumferential surface of the second fixed pipe 10 is connected with a front fixed block 14 in a sliding manner, a sliding groove of the front fixed block 14 is communicated with the front pressure cavity 12, the front fixed block 14 is connected with the second fixed pipe 10 through a first spring 15, the outer circumferential surface of the sliding sleeve 11 is rotatably connected with one end of a first connecting rod 45 which drives the sliding sleeve 11 and the second fixed pipe 10 to slide relatively, the outer circumferential surface of the third fixed pipe 25 is rotatably connected with one end of a second connecting rod 46, and the other end of the first connecting rod 45, which is far away from the sliding sleeve 11, is rotatably connected with the middle part of the second connecting rod 46.
Further, a back pressure cavity 13 is arranged between the end face, close to the first fixing pipe 16, of the sliding sleeve 11 and the second fixing pipe 10, a first air passage 28 communicated with the back pressure cavity 13 is arranged in the second fixing pipe 10, a vent pipe 29 is slidably connected in the first air passage 28, a second air passage 30 is arranged in the third fixing pipe 25, a back fixing block 26 is slidably connected on the inner circumferential surface of the third fixing pipe 25, a sliding groove of the back fixing block 26 is communicated with the second air passage 30, the back fixing block 26 is connected with the third fixing pipe 25 through a second spring 27, one end, close to the end face of the second fixing pipe 10, of the third fixing pipe 25 is fixedly connected with the vent pipe 29, and a vent passage communicated with the first air passage 28 and the second air passage 30 is arranged in the vent pipe 29.
Furthermore, a third air passage 31 communicated with the sliding groove of the front fixing block 14 is arranged in the second fixing tube 10, a thick sleeve 32 communicated with the third air passage 31 is arranged on the end face, close to the third fixing tube 25, of the second fixing tube 10, a fourth air passage 33 capable of sliding relatively to the thick sleeve 32 is arranged on the third fixing tube 25, the bottom face, located in the third fixing tube 25, of the fourth air passage 33 is fixedly connected with a thin rod 34, one end, far away from the third fixing tube 25, of the thin rod 34 is slidably connected with the inner circumferential face of the thick sleeve 32, a first clamping groove 35 is arranged at one end, close to the thin rod 34, of the inner circumferential face of the thick sleeve 32, a first clamping block 36 is slidably connected with the first clamping groove 35, the first clamping block 36 is connected with the first clamping groove 35 through a third spring 37, and a fifth air passage 38, close to the first clamping groove 35, of one end of the thin rod 34, capable of sliding relatively to the first clamping block 36 and communicated with the third air passage 31, is arranged.
Furthermore, a second clamping groove 39 is formed in the inner circumferential surface of the thick sleeve 32 at a position close to one end far away from the second fixing tube 10, a second locking block 40 is connected in the second clamping groove 39 in a sliding mode, the second locking block 40 is connected with the second clamping groove 39 through a fourth spring 41, a sixth air passage 42 capable of sliding relative to the second locking block 40 is formed in the position, close to the bottom surface of the fourth air passage 33, of the thin rod 34, and a seventh air passage 43 communicating the sixth air passage 42 with the sliding groove of the rear fixing block 26 is formed in the third fixing tube 25.
Furthermore, one end of the second connecting rod 46, which is far away from the third fixed tube 25, is provided with a curved arc, one end of the curved arc can be locked with each other when the third fixed tube 25 is attached to the second fixed tube 10, and an inclined surface for pushing the lead is arranged on one side of the front fixed block 14 and the rear fixed block 26, which faces the first fixed tube 16.
Further, a steel bar fixed to the ground or other objects is fixedly connected to the bottom plate 44, and the steel bar is fixed to the bottom plate 44 and exposes one end of the wire passage 24, so that the wire can be conveniently threaded out and manually twisted into a desired shape.
The working principle is as follows:
initial state: the nut 50 is tightened to fix the bottom plate 44 relative to the ground or other fixed object, and the first locking block 36 of the first locking groove 35 on the thick sleeve 32 is locked in the fifth air channel 38 in the thin rod 34, so that the thick sleeve 32 and the thin rod 34 are locked relative to each other.
The lead is inserted into one end of a lead channel 24 in the first fixing tube 16 manually, the lead moves in the lead channel 24 along the axis and contacts with the side face of the front fixing block 14, the lead continues to move and push against the side face of the front fixing block 14 to enable the front fixing block 14 to relatively slide along the radial direction of the second fixing tube 10, the front fixing block 14 slides to block a communication port of a sliding groove of the third air channel 31 and the front fixing block 14, the lead continues to be manually pushed and contacts with the side face of the rear fixing block 26, so that the rear fixing block 26 is pushed by the lead to relatively slide along the radial direction of the third fixing tube 25, the rear fixing block 26 slides to block a communication port of a sliding groove of the second air channel 30 and the rear fixing block 26, and after the lead passes through one end of the lead channel 24, which is located in the bottom plate 44, the lead and the tower are manually pulled to enable a certain tension to be formed between the lead and the lead.
Pulling the second connecting rod 46 towards the direction of the bottom plate 44, so that the first connecting rod 45 connected with the second connecting rod 46 pulls the sliding sleeve 11 to slide relative to the second fixed tube 10, the gas volume of the front pressure cavity 12 between the sliding sleeve 11 and the second fixed tube 10 is reduced, so that the front fixed block 14 is pressed to clamp the lead in the lead channel 24 after the gas is pressurized, the front fixed block 14 is pressed, so that the third gas channel 31 is communicated with the sliding groove of the front fixed block 14, the gas pushes the first locking block 36 along the third gas channel 31 and the fifth gas channel 38, so that the first locking block 36 is pushed into the first clamping groove 35, the coarse sleeve 32 slides relative to the thin rod 34 under the pushing of the gas, when the second locking block 40 in the second clamping groove 39 on the coarse sleeve 32 moves to be clamped into the sixth gas channel 42 on the thin rod 34, the coarse sleeve 32 is locked relative to the thin rod 34 again and the thin rod 34 slides relative to the thin rod 34 in the coarse sleeve 32 to be communicated with the sliding groove of the thin rod 34, and the front fixed block 14 is always clamped to the lead relative to be fixed; the second connecting rod 46 is pushed towards the first fixing tube 16, so that the first connecting rod 45 connected with the second connecting rod 46 pushes the sliding sleeve 11 to slide relative to the second fixing tube 10, the gas volume of the rear pressure cavity 13 between the sliding sleeve 11 and the second fixing tube 10 is reduced, so that the gas pressurized in the rear pressure cavity 13 presses the rear fixing block 26 to clamp the lead in the lead channel 24 after passing through the first air channel 28, the vent pipe 29 and the second air channel 30, the rear fixing block 26 is pressed, so that the sixth air channel 42 is communicated with the sliding groove of the front fixing block 14 after passing through the seventh air channel 43, the gas pushes the second locking block 40 in the second clamping groove 39 to push into the second clamping groove 39, the thick sleeve 32 and the thin rod 34 slide relatively due to the pushing of the second connecting rod 46, so that the front fixing block 14 slides along the radial direction of the second fixing tube 10 without the locking of the thin rod 34, the front fixing block 14 and the lead are not relatively fixed, the thin rod 34 slides to the first locking block 36 in the first clamping groove 35 relatively, and the lead is continuously pulled to repeatedly increase the tension in the fifth air channel 38, so that the lead is repeatedly pulled.
When the tension between the lead and the wire tower reaches the requirement of fixing the wire tower, the pressing handle 21 is pulled to enable the cam 19 to rotate relative to the wide groove 17, the pressing handle 21 is screwed to rotate relative to the connecting rod 20 after being located in the clamping groove 22, the pressing handle 21 is accordingly clamped into the clamping groove 22, and the sliding block 18 enables the sliding block 18 to extrude the lead to be fixed and locked for the second time under the pressing action of the cam 19.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The strain clamp for the traction wire comprises a second fixed pipe (10), and is characterized in that a sliding sleeve (11) is arranged on the second fixed pipe (10) in a sliding manner, a first fixed pipe (16) is fixedly connected to one end face, close to a rear pressure cavity (13), of the second fixed pipe (10), a wide groove (17) is formed in the inner circumferential face of the first fixed pipe (16) and close to the rear pressure cavity (13), a sliding block (18) is connected in the wide groove (17) in a sliding manner, cams (19) are rotatably arranged on two sides of the wide groove (17), a connecting rod (20) is fixedly connected to the outer edge profile face of each cam (19), one end, far away from the cam (19), of the connecting rod (20) is connected with a pressure handle (21) in a threaded manner, a clamping groove (22) capable of clamping the pressure handle (21) is formed in the position, close to the cam (19), of the sliding sleeve (11) is provided with an anti-loosening groove (23), a third fixed pipe (25) is arranged at one end, far away from the first fixed pipe (16), of the second fixed pipe (10), and a third fixed pipe (25) is connected with a bottom plate (25) through a fixed pipe (44), be equipped with steel bushing (47) of U type on the both ends of bottom plate (44) respectively, steel bushing (47) are close to bottom plate (44) one side and are equipped with rubber cushion (48) that reduce the connection friction, rubber cushion (48) one side is kept away from in bottom plate (44) is equipped with backing plate (49) that pierce through the both ends of steel bushing (47), the both ends of steel bushing (47) are equipped with threaded connection's nut (50) respectively, be equipped with in second fixed tube (10), first fixed tube (16), third fixed tube (25) and bottom plate (44) and supply wire channel (24) that the wire passed.
2. The tension clamp for pulling the conducting wire according to claim 1, wherein a front pressure cavity (12) is arranged between the sliding sleeve (11) and one end face, close to the third fixed tube (25), of the second fixed tube (10), a front fixed block (14) is connected to the inner circumferential face of the second fixed tube (10) in a sliding mode, a sliding groove of the front fixed block (14) is communicated with the front pressure cavity (12), the front fixed block (14) is connected to the second fixed tube (10) through a first spring (15), one end of a first connecting rod (45) which drives the sliding sleeve (11) and the second fixed tube (10) to slide relatively is connected to the outer circumferential face of the sliding sleeve (11) in a rotating mode, one end of a second connecting rod (46) is connected to the outer circumferential face of the third fixed tube (25) in a rotating mode, and the other end, far away from the sliding sleeve (11), of the first connecting rod (45) is connected to the middle of the second connecting rod (46) in a rotating mode.
3. The tension clamp for the traction wire according to claim 1, wherein a back pressure cavity (13) is arranged between the end faces, close to the first fixing tube (16), of the sliding sleeve (11) and the second fixing tube (10), a first air passage (28) communicated with the back pressure cavity (13) is arranged in the second fixing tube (10), the first air passage (28) is connected with a vent tube (29) in a sliding mode, a second air passage (30) is arranged in the third fixing tube (25), the inner circumferential face of the third fixing tube (25) is connected with a back fixing block (26) in a sliding mode, a sliding groove of the back fixing block (26) is communicated with the second air passage (30), the back fixing block (26) is connected with the third fixing tube (25) through a second spring (27), the third fixing tube (25) is close to one end, close to the end face of the second fixing tube (10), of one end of the vent tube (29) is fixedly connected with the vent tube, and an air passage communicated with the first air passage (28) and the second air passage (30) is arranged in the vent tube (29).
4. The strain clamp for the traction wire according to claim 1, wherein a third air channel (31) communicated with the sliding groove of the front fixing block (14) is arranged in the second fixing tube (10), a thick sleeve (32) communicated with the third air channel (31) is arranged on the end face, close to the third fixing tube (25), of the second fixing tube (10), a fourth air channel (33) capable of sliding relative to the thick sleeve (32) is arranged on the third fixing tube (25), a thin rod (34) is fixedly connected to the bottom face, located in the third fixing tube (25), of the thin rod (34), one end, far away from the third fixing tube (25), of the thin rod is slidably connected with the inner circumferential face of the thick sleeve (32), a first locking block (35) is arranged at the position, close to one end of the thin rod (34), of the inner circumferential face of the thick sleeve (32), a first locking block (36) is slidably connected in the first locking block (35), a third spring (37) is arranged between the first locking block (36) and the first locking block (35), and a fifth locking block (38) is arranged at the position, close to the thin rod (34), and the first air channel (38) is communicated with the first locking block (36).
5. The tension-resistant wire clamp for the traction wire according to claim 4, wherein a second clamping groove (39) is formed in the inner circumferential surface of the thick sleeve (32) and is close to one end far away from the second fixing tube (10), a second locking block (40) is connected in the second clamping groove (39) in a sliding mode, the second locking block (40) is connected with the second clamping groove (39) through a fourth spring (41), a sixth air channel (42) capable of sliding relative to the second locking block (40) is arranged on the thin rod (34) and is close to the bottom surface of the fourth air channel (33), and a seventh air channel (43) communicated with the sliding grooves of the sixth air channel (42) and the rear fixing block (26) is arranged in the third fixing tube (25).
6. The tension clamp for pulling the lead according to claim 2, wherein one end of the second connecting rod (46) far away from the third fixing tube (25) is provided with a curved arc, one end of the curved arc can be locked with each other when the third fixing tube (25) is attached to the second fixing tube (10), and the front fixing block (14) and the rear fixing block (26) are provided with an inclined surface for pushing the lead towards the first fixing tube (16).
7. The tension clamp for the traction lead of claim 1, wherein a steel bar fixed on the ground or other objects is fixedly connected to the bottom plate (44), and the steel bar is fixed relative to the bottom plate (44) and exposes one end of the lead channel (24) to facilitate the lead to pass out and be manually twisted into a required shape.
8. The method of any one of claims 1-7 in combination with a tension clamp for a traction wire, comprising the steps of:
s1: tightening the nut (50) to fix the base plate (44) relative to the ground or other fixture;
s2: after the lead is manually led out from the lead channel (24), the lead is pulled to ensure that a certain initial tension is formed between the lead and the wire tower;
s3, pulling the second connecting rod (46), so that the front fixing block (14) in the second fixing pipe (10) clamps one position of the lead and then pulls to reduce the gap between the second fixing pipe (10) and the third fixing pipe (25) and increase the tension between the lead and a line tower;
s4, pushing a second connecting rod (46), so that the rear fixing block (26) clamps the wire, then loosening the clamping relation between the front fixing block (14) and the wire, and pushing the second fixing pipe (10) to increase the gap between the second fixing pipe (10) and the third fixing pipe (25);
s5, repeating the steps S3 and S4 to continuously increase the tension between the lead and the wire tower;
s6, pulling the pressing handle (21), so that the sliding block (18) presses the conducting wire to be secondarily locked under the pressing action of the cam (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210933448.3A CN115377909B (en) | 2022-08-04 | 2022-08-04 | Tension-resistant wire clamp for traction wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210933448.3A CN115377909B (en) | 2022-08-04 | 2022-08-04 | Tension-resistant wire clamp for traction wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115377909A true CN115377909A (en) | 2022-11-22 |
| CN115377909B CN115377909B (en) | 2024-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202210933448.3A Active CN115377909B (en) | 2022-08-04 | 2022-08-04 | Tension-resistant wire clamp for traction wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117175226A (en) * | 2023-11-03 | 2023-12-05 | 国网山东省电力公司潍坊供电公司 | Wire clamp |
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| CN213243474U (en) * | 2020-07-29 | 2021-05-18 | 国网河北省电力有限公司建设公司 | Self-tightening wire strain clamp |
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| US20050121214A1 (en) * | 2003-12-04 | 2005-06-09 | Gould Len C. | Active electrical transmission system |
| US20100301540A1 (en) * | 2009-05-27 | 2010-12-02 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Clamping mechanism |
| CN101752816A (en) * | 2009-12-21 | 2010-06-23 | 中国电力科学研究院 | Dead-end clamp for supporting expanded diameter conductors |
| KR101451867B1 (en) * | 2014-04-11 | 2014-10-16 | (주)부영이엔지 | Apparatus for relaxing tension of overhead line in electric power transmission tower |
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| CN117175226A (en) * | 2023-11-03 | 2023-12-05 | 国网山东省电力公司潍坊供电公司 | Wire clamp |
| CN117175226B (en) * | 2023-11-03 | 2024-02-23 | 国网山东省电力公司潍坊供电公司 | Wire clamp |
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|---|---|
| CN115377909B (en) | 2024-05-10 |
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