CN113602906B - A wire abrasionproof decreases device for transmission line non-tension unwrapping wire - Google Patents
A wire abrasionproof decreases device for transmission line non-tension unwrapping wire Download PDFInfo
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- CN113602906B CN113602906B CN202110857274.2A CN202110857274A CN113602906B CN 113602906 B CN113602906 B CN 113602906B CN 202110857274 A CN202110857274 A CN 202110857274A CN 113602906 B CN113602906 B CN 113602906B
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- connecting rod
- clamping block
- wire clamping
- shaped wire
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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
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/14—Pulleys, rollers, or rotary bars
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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
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
- B65H49/324—Constructional details
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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
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a wire anti-abrasion device for non-tension paying-off of a power transmission line, which comprises a base and an anti-abrasion mechanism, wherein a rotary table is arranged in the middle of a bottom plate, the upper part of the rotary table is rotatably connected with an upright rod through a bearing, the upper end of the upright rod is connected with a tray, two sides of the tray are connected with first pulleys through supporting plates, two groups of second pulleys are arranged on two sides of the first pulleys in a staggered mode, and the two groups of second pulleys are obliquely arranged. The tray is provided with the first pulleys, two groups of second pulleys are arranged on two sides of the first pulleys in a staggered mode, the wires are arranged between the first pulleys and the second pulleys, friction force applied in the cable laying process is reduced, abrasion of the surfaces of the cables is reduced, the turntable is arranged on the lower portion of the tray, the tray rotates in real time along the erecting direction of the wires in the wire paying-off process, the included angle between the wires and the abrasion-proof device is reduced, therefore, wire core wire breakage is avoided, and meanwhile, the labor intensity of paying-off of workers is reduced.
Description
Technical Field
The invention belongs to the technical field of conductor erection, and particularly relates to a conductor abrasion-proof device for non-tension paying off of a power transmission line.
Background
In the process of spreading and releasing the wires of the power transmission line, part of line engineering with low voltage grade adopts non-tension paying off, and in a traction field and a crossing point, because the anti-abrasion measures of the wires are not in place, the wires are abraded in different degrees, so that the overall quality of the engineering is reduced.
Chinese patent publication No. CN103730866B discloses a cable laying apparatus, and specifically discloses: the device comprises a plurality of angle iron brackets which are arranged on the wall surface of the common ditch and are arranged along the advancing direction of the cable; a first cable pay-off stand for placement on the ground adjacent the infeed opening of the raceway having a first horizontal drum for supporting a cable being spooled off the cable drum; the second cable pay-off rack is used for being arranged on the ground at the edge of the feed opening and is provided with a second horizontal roller which is used for the cable to bypass and suspend the cable to enter the feed opening; be used for supporting the cable when the cable is marchd in order to avoid a plurality of actinobacillus wheels of cable and angle bar support contact, the actinobacillus wheel sets up on the wall. When the cable laying device is used, rolling friction is formed between a cable and the first horizontal roller, between the second horizontal roller and each paying-off wheel, the friction force received in the cable laying process is reduced, the abrasion of the surface of the cable is reduced, meanwhile, the resistance received when the cable advances is reduced, the construction efficiency of cable laying is improved, but when the cable laying device is used, the support, particularly the pay-off rack is in a fixed position, when the cable is laid, the angle between a cable reel and a cable rack is changed frequently, the angle of the support needs to be adjusted in real time when the cable is used, so that the cable and the rollers are in proper positions, and the labor intensity of workers is increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a wire abrasion-proof device for the non-tension paying-off of a power transmission line.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a wire abrasionproof decreases device for transmission line non-tension unwrapping wire, includes base, wear-resisting mechanism, the base includes the bottom plate, bottom plate four corners department is equipped with the lug, inserts on being equipped with on the lug for fix the base on ground, the bottom plate middle part is equipped with the carousel, and carousel upper portion is connected with the pole setting through the bearing rotation ground, the pole setting upper end is connected with the tray, the tray both sides are connected with first pulley through the backup pad, first pulley both sides are equipped with two sets of second pulleys with crisscross, and two sets of second pulleys incline to arrange, and the height that highly is higher than first pulley of second pulley, and the wire is arranged in between first pulley and the second pulley, and the second pulley is installed in U type frame lower part movably, U type frame one side is connected with first connecting rod and second connecting rod, and the other end and the riser of first connecting rod and second connecting rod are connected, the riser lower part is equipped with the connecting plate, and the connecting plate lower extreme is connected with the tray through a plurality of bracing pieces.
When the cable is laid, the cable rolls and rubs between the first pulley and the second pulley, so that the friction force applied in the process of erecting the cable is reduced, particularly the abrasion of an insulating layer caused by the direct friction of the cable and the ground is avoided, and when the cable is laid, the second pulley limits the cable within the length range of the first pulley, so that the cable is prevented from falling off from the first pulley; in addition, when the wire unwrapped wire, along with the change of wire suspension point, the angle between new suspension point and cable drum changed, the torsional force of wire orders about the pole setting and rotates on the carousel to adapt to the change of cable angle, avoided the cable to produce great angular migration between cable drum, first pulley and suspension point, cause the cable damage of bending, avoided traditional manual adjustment wear proof device angle, thereby reduced workman's intensity of labour.
As a further preferred option of this technical scheme, bracing piece and tray gap junction for the bracing piece slides from top to bottom on the tray, the outside cover of bracing piece is equipped with the extension spring, the upper end and the connecting plate lower wall fixed connection of extension spring, the lower extreme and the tray fixed connection of extension spring, and the extension spring makes second pulley and wire keep in contact, has guaranteed the centre gripping effect of first pulley and second pulley to the wire.
As a further preferred option of the technical solution, one end of the first connecting rod is hinged to the U-shaped frame, the other end of the first connecting rod is fixedly connected to the vertical plate, one end of the second connecting rod is hinged to the U-shaped frame, the other end of the second connecting rod penetrates through the vertical plate and is slidably connected to the vertical plate, and the second connecting rod is in threaded connection with a first adjusting nut; through adjusting the position of first adjusting nut on the second connecting rod, the inclination of adjustment second pulley is applicable to the wire unwrapping wire of different diameters and uses, and during the unwrapping wire, the dead weight of U type frame and second pulley is pressed the wire and is held.
As a further preferred option of the technical scheme, a first spring is sleeved outside the second connecting rod, one end of the first spring is fixedly connected with the vertical plate, the other end of the first spring is fixedly connected with a hinged support at one end of the second connecting rod, and the elastic force of the first spring keeps the second pulley in contact with the wire, so that the pressing effect of the second pulley on the wire is enhanced.
As a further preferred option of the technical scheme, one side of the tray is provided with a non-return mechanism, the non-return mechanism comprises frames which are symmetrically arranged up and down, one end of each frame is fixedly connected with the tray, wing plates are arranged on two sides of each frame, the wing plates of the upper frame and the lower frame are connected through a plurality of connecting bolts, a wedge-shaped wire clamping block is arranged in each frame, and the right-angle side of the wedge-shaped wire clamping block is contacted with a lead; the lower part of the frame is connected with a third connecting rod, the lower end of the third connecting rod is connected with a roller, and the roller is placed on the inclined plane of the wedge-shaped wire clamping block; one side of the wedge-shaped wire clamping block is connected with a third spring, and the other end of the third spring is fixedly connected with the inner wall of the frame; when the wire is payed off, the frame is arranged on two sides of the wire, certain pressure is kept between the bottom surface of the wedge-shaped wire clamping block and the wire, certain friction force exists between the wedge-shaped wire clamping block and the wire, the wire slides leftwards, the wedge-shaped wire clamping block moves leftwards due to the friction force between the wire and the wedge-shaped wire clamping block, the roller is separated from the inclined surface of the wedge-shaped wire clamping block at the moment, when the wire slides reversely, the wedge-shaped wire clamping block slides rightwards due to the friction force between the wire and the wedge-shaped wire clamping block and the elastic force of the third spring, the roller is in contact with the inclined surface of the wedge-shaped wire clamping block at the moment, when the wedge-shaped wire clamping block continues to slide rightwards, the roller tightly pushes the wedge-shaped wire clamping block to move downwards to generate larger clamping force on the wire, so that the reverse return of the wire is avoided, and the payoff safety is guaranteed.
As a further preferred option of the technical scheme, one end of the wedge-shaped wire clamping block is provided with an extension plate, one side of the extension plate is connected with a fourth connecting rod, one side of the frame is provided with a sliding groove, the fourth connecting rod is slidably mounted inside the sliding groove, the fourth connecting rod is located at the upper end of the sliding groove in the initial state or the paying-off state, one end of the fourth connecting rod is provided with a second adjusting nut, and the fourth connecting rod and the second adjusting nut are used for adjusting the initial position of the wedge-shaped wire clamping block so as to adapt to paying-off of wires with different diameters.
As a further preferred option of the technical scheme, a second spring is arranged outside the connecting bolt, the second spring abuts against wing plates of the upper and lower frames, and the second spring enables pretightening force to be generated between the wedge-shaped wire clamping blocks on the upper and lower portions and the lead, so that the non-return effect of the wedge-shaped wire clamping blocks is ensured.
As a further preference of the technical scheme, the inclined surface of the wedge-shaped wire clamping block is provided with a guide groove, the roller is arranged in the guide groove, and the guide groove ensures that the wedge-shaped wire clamping block moves linearly in the frame, so that the non-return effect of the wedge-shaped wire clamping block is ensured.
As a further optimization of the technical scheme, the bottom of the wedge-shaped wire clamping block is arc-shaped, so that the contact area between the wedge-shaped wire clamping block and the wire is enlarged, the friction force between the wedge-shaped wire clamping block and the wire is enlarged, round corners are arranged on the left side and the right side of the wedge-shaped wire clamping block, and the abrasion of the wedge-shaped wire clamping block on an insulating skin of the wire is avoided.
As further optimization of the technical scheme, a rubber pad is arranged at the lower part of the wedge-shaped wire clamping block, so that the abrasion of the wedge-shaped wire clamping block on a lead is further avoided.
The invention has the beneficial effects that:
1) According to the invention, the first pulleys are arranged on the tray, the two groups of second pulleys are arranged on two sides of the first pulleys in a staggered manner, the wires are arranged between the first pulleys and the second pulleys, so that the friction force applied in the cable laying process is reduced, the abrasion of the surface of the cable is reduced, and the turntable is arranged at the lower part of the tray, so that the tray rotates in real time along with the erecting direction of the wires in the wire paying-off process, the included angle between the wires and the abrasion-proof device is reduced, the breakage of core wires of the wires is avoided, and the labor intensity of paying-off of workers is reduced.
2) The bracing piece and tray gap junction for the bracing piece slides from top to bottom on the tray, and the outside cover of bracing piece is equipped with the extension spring, the upper end and the connecting plate lower wall fixed connection of extension spring, the lower extreme and the tray fixed connection of extension spring, and the extension spring makes second pulley and wire keep in contact, has guaranteed the centre gripping effect of first pulley and second pulley to the wire.
3) One end of a first connecting rod is hinged with the U-shaped frame, the other end of the first connecting rod is fixedly connected with the vertical plate, one end of a second connecting rod is hinged with the U-shaped frame, the other end of the second connecting rod penetrates through the vertical plate and is in sliding connection with the vertical plate, and a first adjusting nut is in threaded connection with the second connecting rod; through adjusting the position of first adjusting nut on the second connecting rod, the inclination of adjustment second pulley is applicable to the wire unwrapping wire of different diameters and uses, and during the unwrapping wire, the dead weight of U type frame and second pulley is pressed the wire and is held.
4) The outside cover of second connecting rod is equipped with first spring, the one end and the riser fixed connection of first spring, the hinge support fixed connection of the first spring other end and second connecting rod one end, and the elasticity of first spring makes second pulley and wire keep in touch, has strengthened the pressure of second pulley to the wire and has held the effect.
5) One side of the tray is provided with a non-return mechanism, a wedge-shaped wire clamping block is arranged in the frame, and the roller is placed on the inclined plane of the wedge-shaped wire clamping block; when the wire is payed off, the frame is arranged on two sides of the wire, certain pressure is kept between the bottom surface of the wedge-shaped wire clamping block and the wire, certain friction force exists between the wedge-shaped wire clamping block and the wire, the wire slides leftwards, the wedge-shaped wire clamping block moves leftwards due to the friction force between the wire and the wedge-shaped wire clamping block, the roller is separated from the inclined surface of the wedge-shaped wire clamping block at the moment, when the wire slides reversely, the wedge-shaped wire clamping block slides rightwards due to the friction force between the wire and the wedge-shaped wire clamping block and the elastic force of the third spring, the roller is in contact with the inclined surface of the wedge-shaped wire clamping block at the moment, when the wedge-shaped wire clamping block continues to slide rightwards, the roller tightly pushes the wedge-shaped wire clamping block to move downwards to generate larger clamping force on the wire, so that the reverse return of the wire is avoided, and the payoff safety is guaranteed.
6) An extension plate is arranged at one end of the wedge-shaped wire clamping block, a fourth connecting rod is connected to one side of the extension plate, a sliding groove is formed in one side of the frame, the fourth connecting rod is slidably mounted inside the sliding groove, in an initial state or a paying-off state, the fourth connecting rod is located at the upper end of the sliding groove, a second adjusting nut is arranged at one end of the fourth connecting rod, and the fourth connecting rod and the second adjusting nut are used for adjusting the initial position of the wedge-shaped wire clamping block so as to adapt to paying-off of wires of different diameters.
7) And a second spring is arranged outside the connecting bolt, the second spring is abutted to wing plates of the upper side frame and the lower side frame, and the second spring enables pre-tightening force to be generated between the wedge-shaped wire clamping blocks at the upper part and the lower part and the lead, so that the non-return effect of the wedge-shaped wire clamping blocks is ensured.
8) The guide groove is arranged on the inclined plane of the wedge-shaped wire clamping block, the idler wheel is arranged in the guide groove, and the guide groove ensures that the wedge-shaped wire clamping block moves linearly in the frame, so that the non-return effect of the wedge-shaped wire clamping block is ensured.
9) The bottom of the wedge-shaped wire clamping block is arc-shaped, so that the contact area between the wedge-shaped wire clamping block and the wire is enlarged, the friction force between the wedge-shaped wire clamping block and the wire is enlarged, round corners are arranged on the left side and the right side of the wedge-shaped wire clamping block, and the abrasion of the wedge-shaped wire clamping block on an insulating skin of the wire is avoided.
10 The lower part of the wedge-shaped wire clamping block is provided with a rubber pad, so that the abrasion of the wedge-shaped wire clamping block on the wire is further avoided.
Drawings
FIG. 1 is a diagram of a conductor abrasion-proof device for non-tension paying-off of a power transmission line according to the invention.
Fig. 2 is a schematic structural diagram of a base in the wire abrasion-proof device for non-tension paying-off of a power transmission line.
FIG. 3 is a schematic structural diagram of an anti-abrasion mechanism in the wire anti-abrasion device for non-tension paying off of a power transmission line.
Fig. 4 is a schematic assembly diagram of a second pulley in the wire abrasion-proof device for the non-tension paying-off of the power transmission line.
Fig. 5 is a use state diagram of a backstop mechanism in the wire abrasion-proof device for the non-tension paying-off of the power transmission line.
FIG. 6 is a schematic structural diagram of a wire anti-abrasion device stopping mechanism for non-tension paying-off of a power transmission line.
FIG. 7 is a schematic view of the assembly of a wedge-shaped wire clamping block in the wire abrasion prevention device for the non-tension paying off of a power transmission line.
Fig. 8 is a left side view of a wedge-shaped wire clamping block in the wire abrasion prevention device for non-tension paying off of a power transmission line.
In the figure: 1. a base; 101. a base plate; 102. a lug; 103. inserting the ground; 104. a turntable; 105. a bearing; 106. erecting a rod; 107. a tray;
2. an anti-abrasion mechanism; 201. a connecting plate; 202. a support bar; 203. a tension spring; 204. a vertical plate; 205. a first link; 206. a second link; 207. a first adjusting nut; 208. a first spring; 209. a U-shaped frame; 210. a second pulley; 211. a first pulley; 212. a support plate;
3. a backstop mechanism; 301. a frame; 302. a wing plate; 303. a connecting bolt; 304. a second spring; 305. a chute; 306. a wedge-shaped wire clamping block; 307. a roller; 308. a third link; 309. a guide groove; 310. a third spring; 311. an extension plate; 312. a fourth link; 313. a second adjusting nut;
4. and (4) conducting wires.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 8, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-4, a wire wear prevention device for non-tension paying-off of a power transmission line comprises a base 1 and a wear prevention mechanism 2, wherein the base 1 comprises a bottom plate 101, lugs 102 are arranged at four corners of the bottom plate 101, ground plugs 103 are arranged on the lugs 102 and used for fixing the base 1 on the ground, a turntable 104 is arranged in the middle of the bottom plate 101, the upper portion of the turntable 104 is rotatably connected with an upright rod 106 through a bearing 105, a tray 107 is connected to the upper end of the upright rod 106, two sides of the tray 107 are connected with first pulleys 211 through supporting plates 212, two sides of the first pulleys 211 are alternately provided with two groups of second pulleys 210, the two groups of second pulleys 210 are obliquely arranged, the height of the second pulleys 210 is higher than that of the first pulleys 211, a wire 4 is arranged between the first pulleys 211 and the second pulleys 210, the second pulleys 210 are movably mounted on the lower portion of a U-shaped frame 209, one side of the U-shaped frame 209 is connected with a first connecting rod 205 and a second connecting rod 206, the other ends of the first rod 205 and the second rod 206 are connected with a vertical plate 204, a connecting plate 201 is arranged on the lower portion of the vertical plate 204, and the lower end of the connecting plate 201 is connected with the tray 107 through a plurality of supporting rods 202.
When the cable 4 is laid, a cable rolls and rubs between the first pulley 211 and the second pulley 210, so that the friction force applied to the cable 4 in the erecting process is reduced, particularly the abrasion of an insulating layer caused by the fact that the cable 4 directly rubs with the ground is avoided, and when the cable 4 is laid, the second pulley 210 limits the cable 4 within the length range of the first pulley 211, so that the cable 4 is prevented from falling off from the first pulley 211; in addition, when the wire 4 unwrappes wire, along with the change of wire 4 suspension point, the angle between new suspension point and cable drum changes, and the torsional force of wire 4 orders about pole setting 106 and rotates on carousel 104 to the change of adaptation cable angle has avoided the cable to produce great angular migration between cable drum, first pulley 211 and suspension point, has caused the cable damage of bending, has avoided traditional manual adjustment wear prevention device angle, thereby has reduced workman's intensity of labour.
As shown in fig. 3, in this embodiment, the supporting rod 202 is in clearance connection with the tray 107, so that the supporting rod 202 slides up and down on the tray 107, the extension spring 203 is sleeved outside the supporting rod 202, the upper end of the extension spring 203 is fixedly connected with the lower wall of the connecting plate 201, the lower end of the extension spring 203 is fixedly connected with the tray 107, the extension spring 203 keeps the second pulley 210 in contact with the wire 4, and the clamping effect of the first pulley 211 and the second pulley 210 on the wire 4 is ensured.
As shown in fig. 4, in this embodiment, one end of the first connecting rod 205 is hinged to the U-shaped frame 209, the other end of the first connecting rod 205 is fixedly connected to the vertical plate 204, one end of the second connecting rod 206 is hinged to the U-shaped frame 209, the other end of the second connecting rod passes through the vertical plate 204 and is slidably connected to the vertical plate 204, and the second connecting rod 206 is threadedly connected to the first adjusting nut 207; the inclination angle of the second pulley 210 is adjusted by adjusting the position of the first adjusting nut 207 on the second connecting rod 206, so that the wire paying-off device is suitable for paying-off wires 4 with different diameters, and during paying-off, the wires 4 are pressed and held by the dead weights of the U-shaped frame 209 and the second pulley 210.
As shown in fig. 4, in this embodiment, a first spring 208 is sleeved outside the second connecting rod 206, one end of the first spring 208 is fixedly connected to the vertical plate 204, the other end of the first spring 208 is fixedly connected to a hinged support at one end of the second connecting rod 206, and an elastic force of the first spring 208 keeps the second pulley 210 in contact with the conducting wire 4, so that a pressing effect of the second pulley 210 on the conducting wire 4 is enhanced.
As shown in fig. 1 and fig. 5 to 7, in this embodiment, a backstop mechanism 3 is disposed on one side of the tray 107, the backstop mechanism 3 includes frames 301 that are symmetrically disposed up and down, one end of each frame 301 is fixedly connected to the tray 107, wing plates 302 are disposed on both sides of each frame 301, the wing plates 302 of the upper and lower frames 301 are connected by a plurality of connecting bolts 303, a wedge-shaped wire clamping block 306 is disposed inside each frame 301, and right-angle sides of the wedge-shaped wire clamping block 306 are in contact with the wires 4; the lower part of the frame 301 is connected with a third connecting rod 308, the lower end of the third connecting rod 308 is connected with a roller 307, and the roller 307 is placed on the inclined surface of the wedge-shaped wire clamping block 306; one side of the wedge-shaped wire clamping block 306 is connected with a third spring 310, and the other end of the third spring 310 is fixedly connected with the inner wall of the frame 301; when the wire 4 is paid off, the frame 301 is installed on two sides of the wire 4, and a certain pressure is kept between the bottom surface of the wedge-shaped wire clamping block 306 and the wire 4, so that a certain friction force exists between the wedge-shaped wire clamping block 306 and the wire 4, the wire 4 slides leftwards, the wedge-shaped wire clamping block 306 moves leftwards due to the friction force between the wire 4 and the wedge-shaped wire clamping block 306, at this time, the roller 307 is separated from the inclined surface of the wedge-shaped wire clamping block 306, when the wire 4 slides reversely, the wedge-shaped wire clamping block 306 slides rightwards due to the friction force between the wire 4 and the wedge-shaped wire clamping block 306 and the elastic force of the third spring 310, at this time, the roller 307 contacts the inclined surface of the wedge-shaped wire clamping block 306, when the wedge-shaped wire clamping block 306 slides rightwards continuously, the roller 307 tightly pushes the wedge-shaped wire clamping block 306 to move downwards to generate a larger clamping force on the wire 4, so that the wire 4 is prevented from reversely returning, and the paying off safety is ensured.
As shown in fig. 6 to 7, in this embodiment, an extending plate 311 is disposed at one end of the wedge-shaped wire clamping block 306, a fourth connecting rod 312 is connected to one side of the extending plate 311, a sliding slot 305 is disposed at one side of the frame 301, the fourth connecting rod 312 is slidably mounted in the sliding slot 305, and in an initial state or a wire releasing state, the fourth connecting rod 312 is located at an upper end of the sliding slot 305, a second adjusting nut 313 is disposed at one end of the fourth connecting rod 312, and the fourth connecting rod 312 and the second adjusting nut 313 are used for adjusting the initial position of the wedge-shaped wire clamping block 306 to adapt to the wire releasing of the wires 4 with different diameters.
As shown in fig. 6, in this embodiment, a second spring 304 is disposed outside the connecting bolt 303, the second spring 304 abuts against the wing plates 302 of the upper and lower frames 301, and the second spring 304 generates a pre-tightening force between the upper and lower wedge-shaped wire clamping blocks 306 and the wire 4, so as to ensure a non-return effect of the wedge-shaped wire clamping blocks 306.
As shown in fig. 7, in this embodiment, the inclined surface of the wedge-shaped wire clamping block 306 is provided with a guide groove 309, the roller 307 is disposed inside the guide groove 309, and the guide groove 309 ensures that the wedge-shaped wire clamping block 306 moves linearly inside the frame 301, thereby ensuring the non-return effect of the wedge-shaped wire clamping block 306.
As shown in fig. 8, in this embodiment, the bottom of the wedge-shaped wire clamping block 306 is arc-shaped, so that a contact area between the wedge-shaped wire clamping block 306 and the wire 4 is enlarged, and thus a friction force between the wedge-shaped wire clamping block 306 and the wire 4 is enlarged, and rounded corners are disposed on both sides of the wedge-shaped wire clamping block 306, so that abrasion of the wedge-shaped wire clamping block 306 on an insulating sheath of the wire 4 is avoided.
In this embodiment, a rubber pad is disposed at the lower portion of the wedge-shaped wire clamping block 306, so as to further prevent the wedge-shaped wire clamping block 306 from causing abrasion to the wire 4.
The foregoing is merely illustrative and explanatory of the present invention and various modifications, additions or substitutions may be made to the specific embodiments described by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a wire abrasionproof decreases device for transmission line non-tension unwrapping wire, includes base, wear prevention mechanism, the base includes the bottom plate, bottom plate four corners department is equipped with the lug, is equipped with on the lug and inserts, its characterized in that, the bottom plate middle part is equipped with the carousel, and carousel upper portion is connected with the pole setting through bearing rotation ground, the pole setting upper end is connected with the tray, the tray both sides are connected with first pulley through the backup pad, first pulley both sides are equipped with two sets of second pulleys in a staggered manner, and two sets of second pulleys incline to be arranged, and the height of second pulley is higher than the height of first pulley, and the wire is arranged in between first pulley and the second pulley, and the second pulley is movably installed in U type frame lower part, U type frame one side is connected with first connecting rod and second connecting rod, and the other end of first connecting rod and second connecting rod is connected with the riser, the riser lower part is equipped with the connecting plate, and the connecting plate lower extreme is connected with the tray through a plurality of bracing pieces; a non-return mechanism is arranged on one side of the tray and comprises frames which are arranged symmetrically up and down, one end of each frame is fixedly connected with the tray, wing plates are arranged on two sides of each frame, the wing plates of the upper and lower frames are connected through a plurality of connecting bolts, a wedge-shaped wire clamping block is arranged in each frame, and the right-angle side of each wedge-shaped wire clamping block is contacted with a lead; the lower part of the frame is connected with a third connecting rod, the lower end of the third connecting rod is connected with a roller, and the roller is placed on the inclined plane of the wedge-shaped wire clamping block; one side of the wedge-shaped wire clamping block is connected with a third spring, and the other end of the third spring is fixedly connected with the inner wall of the frame; when the lead is paid off, the frame is arranged on two sides of the lead, and certain pressure is kept between the bottom surface of the wedge-shaped wire clamping block and the lead, so that certain friction force exists between the wedge-shaped wire clamping block and the lead.
2. The wire wear prevention device for the non-tension paying-off of the power transmission line according to claim 1, wherein the support rod is in clearance connection with the tray, a tension spring is sleeved outside the support rod, the upper end of the tension spring is fixedly connected with the lower wall of the connecting plate, and the lower end of the tension spring is fixedly connected with the tray.
3. The lead wear prevention device for the non-tension pay-off of the power transmission line as recited in claim 1, wherein one end of the first connecting rod is hinged to the U-shaped frame, the other end of the first connecting rod is fixedly connected to the vertical plate, one end of the second connecting rod is hinged to the U-shaped frame, the other end of the second connecting rod penetrates through the vertical plate and is slidably connected to the vertical plate, and the second connecting rod is threadedly connected to the first adjusting nut.
4. The lead wear prevention device for the non-tension pay-off of the power transmission line according to claim 3, wherein a first spring is sleeved outside the second connecting rod, one end of the first spring is fixedly connected with the vertical plate, and the other end of the first spring is fixedly connected with a hinged support at one end of the second connecting rod.
5. The wire wear prevention device for the non-tension pay-off of the power transmission line according to claim 1, wherein an extension plate is arranged at one end of the wedge-shaped wire clamping block, a fourth connecting rod is connected to one side of the extension plate, a sliding groove is formed in one side of the frame, the fourth connecting rod is slidably mounted inside the sliding groove, the fourth connecting rod is located at the upper end of the sliding groove in an initial state or a pay-off state, and a second adjusting nut is arranged at one end of the fourth connecting rod.
6. The lead wear prevention device for the non-tension pay-off of the power transmission line as claimed in claim 1, wherein a second spring is arranged outside the connecting bolt and abuts against wing plates of the upper and lower frames.
7. The lead abrasion prevention device for the non-tension paying-off of the power transmission line according to claim 1, wherein a guide groove is formed in an inclined surface of the wedge-shaped wire clamping block, and the roller is arranged inside the guide groove.
8. The lead wear prevention device for the non-tension paying-off of the power transmission line according to claim 1, wherein the bottom of the wedge-shaped wire clamping block is arc-shaped, and round corners are arranged on the left side and the right side of the wedge-shaped wire clamping block.
9. The lead abrasion prevention device for the non-tension pay-off of the power transmission line as claimed in claim 1, wherein a rubber pad is arranged at the lower part of the wedge-shaped wire clamping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857274.2A CN113602906B (en) | 2021-07-28 | 2021-07-28 | A wire abrasionproof decreases device for transmission line non-tension unwrapping wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857274.2A CN113602906B (en) | 2021-07-28 | 2021-07-28 | A wire abrasionproof decreases device for transmission line non-tension unwrapping wire |
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| CN113602906A CN113602906A (en) | 2021-11-05 |
| CN113602906B true CN113602906B (en) | 2023-01-24 |
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| CN202110857274.2A Active CN113602906B (en) | 2021-07-28 | 2021-07-28 | A wire abrasionproof decreases device for transmission line non-tension unwrapping wire |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180412B (en) * | 2021-11-08 | 2023-11-17 | 国网河南省电力公司延津县供电公司 | Novel unwrapping wire ends contrary device |
| CN115402863B (en) * | 2022-09-20 | 2024-08-30 | 佛山市顺德区磐泰特种线材有限公司 | Building cable hoisting equipment and hoisting process |
| CN116207681B (en) * | 2023-05-05 | 2023-08-01 | 胜利油田固邦泥浆技术服务有限责任公司 | Wire side inclined cable fixing anti-collision device for directional well |
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