CN221305493U - Tension-resistant wire crimping tube protection device - Google Patents

Abstract

The utility model relates to an electric power protection fitting, in particular to a tension-resistant wire crimping tube protection device, which comprises at least two locking assemblies, a traction ring and a traction rope, wherein one end of a wire is crimped in a crimping tube, the locking assemblies are fixed on a wire at the outer side of the crimping tube, the locking assemblies can lock the wire at fixed positions, the traction ring is fixedly connected above the locking assemblies, the locking assemblies comprise U-shaped bolts, clamping plates and locking nuts, two through holes are formed in the clamping plates, the U-shaped bolts are inserted into the two through holes to penetrate the clamping plates and are butted with the locking nuts, and the end parts of the traction rope are fixedly bound on the traction ring.

Description

Tension-resistant wire crimping tube protection device

Technical Field

The utility model relates to an electric power protection fitting, in particular to a tension-resistant wire crimping tube protection device.

Background

In power erection, especially in the case of long-distance power transmission, because the distance is too far, the high-voltage cable produced in reality may not be enough to be connected at one time, and thick cable is heavy because of weight, so we can see many power towers, the purpose is to decompose the distance in the transmission line into one section, when the cable is erected to the power tower position department, not directly put on, often need the switching, these work of construction all need to use strain insulator hardware to keep cable tension, and the strain insulator hardware on the market at present usually has three kinds, is bolt type, wedge and hydraulic type respectively.

Aiming at the problems that the hydraulic tension-resistant wire is insufficient in pressure application and die deformation during hydraulic compression molding, or the wire falls to the ground due to wire drawing, breakage and heating burn of a compression joint pipe and the wire stops supplying power due to the fact that new and old wires are connected, purification work is not in place and the bolt tightening force of a tension-resistant wire clamp drainage plate is insufficient. In particular to a tension-resistant type pressure joint pipe of a power transmission line crossing high-speed railways, highways, rail transit and municipal important facilities, which can cause a series of serious secondary hazards once broken. The prior protective measures are mostly reinforced by additionally installing a preformed full-tension wire clamp (preformed Quan Zhangli connecting strips), and have enough holding force. However, because of the complex structure and long length, equipotential electrification is adopted at the tension-resistant crimping pipe of the wired line, which is inconvenient to install.

Disclosure of utility model

Accordingly, the present utility model is directed to a protecting device for preventing a broken wire of a crimp tube from falling to the ground and being convenient to install.

In order to achieve the above purpose, the technical scheme adopted by the utility model is a tension-resistant wire crimping tube protection device, comprising:

And the lock catch assembly: the locking assembly is provided with at least two locking assemblies, one end of each wire is in compression joint with the inside of the compression joint pipe, the locking assemblies are fixed on the wires outside the compression joint pipe, and the locking assemblies can lock the wires at fixed positions;

Traction ring: the traction ring is fixedly connected above the lock catch assembly;

A traction rope: the end part of the traction rope is bound and fixed on the traction ring.

The beneficial effects of the technical scheme are as follows: the outside at strain insulator wire crimping pipe is through using the hasp subassembly to fix the wire secondary, then link up the hasp subassembly with the haulage rope, so on the one hand decomposed the direct wire pulling force that bears of crimping pipe, reduced the direct cracked risk of crimping pipe, on the other hand when new and old wire is changed or crimping pipe damages the maintenance, can pull the wire position through the haulage rope, avoid appearing the condition that the wire falls to the ground, this device simple structure simultaneously, can install alone after crimping pipe construction is accomplished, it is very convenient to use.

Further, the pressure connection pipe is a turning pressure connection pipe or a straight pressure connection pipe; the turning crimping pipe comprises an L-shaped crimping pipe, a drainage pipe and an inserted link of a strip steel anchor ring, a hole is formed in the outer wall of the turning part of the L-shaped crimping pipe, the inserted link on one side of the steel anchor ring is inserted into the hole to be fixedly crimped after being contacted with the end part of a wire in the L-shaped crimping pipe, and one end of the L-shaped crimping pipe is fixedly connected with the drainage pipe.

The beneficial effects are that: the crimp pipe protection device provided by the utility model can be used for protecting the turn crimp pipe and the straight crimp pipe, and the structure of the turn crimp pipe comprises a steel anchor ring and a drainage pipe, so that the wire needs to be overlapped in a turning manner when reaching the position of the power tower in the process of remote wire erection.

Further, at least two lock catch components are arranged on the guide wire at each end of the pressure connection pipe.

The beneficial effects are that: when the wire crimping pipe with thicker wire diameter and larger weight is protected, the locking components can be added at the two ends of the crimping pipe according to the requirement to ensure the traction effect, and the installation is flexible and convenient.

Further, two haulage ropes are arranged, one end of each haulage rope is fixedly connected with the steel anchor ring, the other end of one haulage rope is fixedly connected with the haulage ring on the lock catch assembly on one side of the L-shaped crimping pipe, and the other end of the other haulage rope is fixedly connected with the haulage ring on the lock catch assembly on the other side of the L-shaped crimping pipe.

The beneficial effects are that: the steel anchor ring is directly and fixedly connected to the power tower, one end of the traction rope is bound to the steel anchor ring in the left-right direction of the L-shaped crimping pipe, and the other end of the traction rope pulls the locking component at the outer side of the L-shaped crimping pipe, so that a part of the wire tension force received by the L-shaped crimping pipe is decomposed and transferred between the wire and the power tower, and the risk of direct fracture of the L-shaped crimping pipe is reduced; in the upper and lower direction of drainage tube, haulage rope one end ligature is on the steel anchor ring, and the hasp subassembly of drainage tube below is being pulled to the other end, and the wire pulling force that the drainage tube received also decomposes some and shifts to between wire and the electric tower like this, has reduced drainage tube wire drawing or cracked risk, when new and old wire is changed or the crimping pipe overhauls, and two haulage ropes pull both ends wire to the steel anchor ring jointly can also prevent that the wire from dropping ground.

Further, the latch assembly comprises a U-shaped bolt, a clamping plate and a locking nut, two through holes are formed in the clamping plate, and the U-shaped bolt is inserted into the two through holes to penetrate through the clamping plate and be in butt joint with the locking nut.

The beneficial effects are that: adopt the U type bolt can laminate the wire cross section and lock fixedly, and can not harm the wire when the centre gripping, fix the wire through the cooperation of U type bolt and cardboard, the locking nut is used for pressing from both sides tight cardboard and wire, prevents that the hasp subassembly from pulling the sliding position on the wire after the atress.

Further, a half-arc groove is formed in the middle of the upper surface of the clamping plate.

The beneficial effects are that: the half-arc groove is clamped and fixed for further matching with the cross section of the U-shaped bolt attached to the lead.

Further, the half-arc groove is fixedly connected with an anti-slip pad.

The beneficial effects are that: the friction force between the locking component and the wire is increased by the anti-slip pad, so that the locking component is further prevented from sliding on the wire, and the effect of locking the wire by the locking component is ensured.

Drawings

FIG. 1 is a schematic illustration of the use of the present utility model with a turn jumper;

FIG. 2 is a schematic illustration of the use of the present utility model with a straight crimp tube

FIG. 3 is a schematic view of the latch assembly and traction ring configuration;

In the figure: the device comprises a 1-steel anchor ring, a 2-L-shaped pressure connection pipe, a 3-drainage pipe, a 4-wire, a 5-locking component, a 6-traction ring, a 7-traction rope, an 8-U-shaped bolt, a 9-clamping plate, a 10-locking nut, an 11-anti-slip pad and a 12-linear pressure connection pipe.

Detailed Description

The utility model relates to a tension wire crimping tube protection device, which is further described in detail below with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-3, the tension-resistant wire crimping tube protection device comprises a lock catch assembly 5, a traction ring 6 and a traction rope 7, wherein the lock catch assembly 5 is provided with at least two, one end of a wire 4 is crimped in a crimping tube, the lock catch assembly 5 is fixed on the wire 4 outside the crimping tube, the lock catch assembly 5 can lock the wire 4 at a fixed position, the traction ring 6 is fixedly connected above the lock catch assembly 5, and the end part of the traction rope 7 is bound and fixed on the traction ring 6, so that the tension of the wire 4 directly born by the crimping tube 2 is decomposed on one hand, the risk of direct fracture of the crimping tube 2 is reduced, and on the other hand, the wire 4 can be pulled through the traction rope 7 when the new wire 4 is replaced or the crimping tube is overhauled, and the situation that the wire 4 falls to the ground is avoided.

The crimp tube is a turning crimp tube or a straight crimp tube 12, and the crimp tube protecting device provided by the utility model can be used for protecting the turning crimp tube and the straight crimp tube 12.

The first embodiment is that for the protection application of the turning crimping pipe, as shown in fig. 1, the turning crimping pipe comprises an L-shaped crimping pipe 2, a drainage pipe 3 and a plug rod with a steel anchor ring 1, a hole is formed in the outer wall of the turning part of the L-shaped crimping pipe 2, the plug rod at one side of the steel anchor ring 1 is inserted into the hole to be contacted with the end part of a wire 4 in the L-shaped crimping pipe 2, one end of the L-shaped crimping pipe 2 is fixedly connected with the drainage pipe 3, the steel anchor ring 1 is directly and fixedly connected to a power tower, and the turning crimping pipe is responsible for turning lap joint when the wire 4 reaches the position of the power tower in the long-distance wire erecting process.

Specifically, two lock catch assemblies 5 are arranged, one is fixed on a wire 4 at the outer side of an L-shaped crimping pipe 2, the other is fixed on a wire below a drainage tube 3, two traction ropes 7 are arranged, one end of each traction rope 7 is fixedly connected with a steel anchor ring 1, the other end of each traction rope 7 is fixedly connected with a traction ring 6 on the lock catch assembly 5 at one side of the L-shaped crimping pipe 2, the other end of each traction rope 7 is fixedly connected with the traction ring 6 on the lock catch assembly 5 at the other side of the L-shaped crimping pipe 2, one side of each traction rope 7 is bound on the steel anchor ring 1 in the left-right direction of the L-shaped crimping pipe 2, the other side of each traction rope pulls the lock catch assembly 5 at the outer side of the L-shaped crimping pipe 2, and thus, a part of the tension of the wire 4 received by the L-shaped crimping pipe 2 is decomposed and transferred between the wire 4 and an electric tower, and the risk of direct fracture of the L-shaped crimping pipe 2 is reduced; in the upper and lower direction of drainage tube 3, haulage rope 7 one side ligature is on steel anchor ring 1, and the hasp subassembly 5 of drainage tube 3 below is being pulled to the opposite side, and the wire 4 pulling force that drainage tube 3 received also decomposes some and shifts to between wire 4 and the electric tower like this, has reduced drainage tube 3 and taken out the line or cracked risk, when new and old wire 4 is changed or the crimping pipe overhauls, two haulage ropes 7 pull both ends wire 4 to steel anchor ring 1 jointly can also prevent wire 4 drop ground.

In the second embodiment, for the protection application of the linear crimping pipe 12, as shown in fig. 2, the locking components 5 are fixed on the outer wires 4 at two ends of the linear crimping pipe 12, the traction ropes 7 are bound between the traction rings 6 on the two locking components 5, no steel anchor ring 1 is arranged at the moment, the locking components 5 are arranged at the outer sides of two ends of the linear crimping pipe 12, and thus, the traction ropes 7 traction the wires 4 at two ends of the linear crimping pipe 12, and part of the tension of the wires 4 directly received by the linear crimping pipe 12 can be decomposed, so that the risk of breakage and wire drawing of the crimping pipe is reduced, and the service life of the tension-resistant wire crimping pipe is prolonged.

Embodiment three, when protecting wire crimping pipe that the wire footpath is thicker, weight is great, can increase lock catch assembly 5 as required at the both ends of crimping pipe, all be equipped with two at least lock catch assembly 5 on the wire 4 of each end of crimping pipe, guarantee to pull the effect and install nimble convenience simultaneously.

In the above-mentioned embodiment, hasp subassembly 5 includes U type bolt 8, cardboard 9 and locking nut 10, adopt U type bolt 8 to laminate wire 4 cross section and lock fixedly and can not harm wire 4, it has two through-holes to open on the cardboard 9, U type bolt 8 inserts two through-holes and runs through cardboard 9 and dock with locking nut 10, cooperation through U type bolt 8 and cardboard 9 holds wire 4, locking nut 10 is used for pressing from both sides tight cardboard 9 and wire 4, prevent to pull the atress back at wire 4 sliding position of hasp subassembly 5, half arc recess has been seted up at the upper surface middle part of cardboard 9, further cooperate U type bolt 8 laminating wire 4's cross section to press from both sides tightly fixedly, still fixedly connected with slipmat 11 in half arc recess department, increase the frictional force between hasp subassembly 5 and the wire 4, further prevent that hasp subassembly 5 from taking place to slide on wire 4, guarantee the effect of hasp subassembly 5 locking wire 4.

When the tension-resistant wire crimping device is used, firstly, a lock catch assembly 5 is installed according to the position of a tension-resistant wire crimping pipe, a hole is formed in a turning crimping pipe on an electric tower, a jack rod on one side of a steel anchor ring 1 is inserted into the hole to be contacted with the end part of a wire 4, then the L-shaped crimping pipe 2 is compressed from the outside, the end part of the wire 4 on the other side is also compressed from the outside to the drainage tube 3 in the drainage tube 3, finally, the steel anchor ring 1 is fixedly connected to a proper position of the electric tower, so that the tension-resistant wire crimping pipe is installed, the lock catch assembly 5 is respectively fixed on one side of the crimping pipe 2 exposing the wire and below the drainage tube 3, a U-shaped bolt 8 is sleeved on the wire 4 firstly, then a clamping plate 9 is sleeved on the U-shaped bolt 8 through a through hole from the other side of the wire 4, finally, a locking nut 10 is fixedly fastened with the U-shaped bolt 8, and then a traction rope 7 is respectively bound on the steel anchor ring 1 from a traction ring 6 on the lock catch assembly 5; for the linear press connection pipe 12, after the end parts of the two wires are contacted, the linear press connection pipe 12 is pressed from the outside, the lock catch assemblies 5 are respectively fixed on the wires 4 at the outer sides of the two ends of the linear press connection pipe 12, the lock catch assemblies 5 are fixed in the same fastening mode, and then the traction rope 7 is connected with the traction rings 6 on the two lock catch assemblies 5; the protection mode of the tension-resistant wire crimping pipe can be independently carried out after the construction of the crimping pipe is completed, and the pre-fixing operation on the wire 4 is not required in advance.

The tension-resistant wire crimping tube protection device has the following advantages: firstly, the wire tension born by the crimping tube is decomposed through the secondary traction of the wire outside the crimping tube, so that the fracture risk of the crimping tube is reduced, and the service life is prolonged; secondly, the wires outside the crimping pipe are indirectly connected into a whole through binding traction of the traction rope, so that the situation that the wires fall onto the ground when new and old wires are replaced or the crimping pipe is overhauled is avoided, and the construction efficiency is improved; thirdly, the protection device provided by the utility model can be independently installed after the construction of the crimping pipe is completed, and is not required to be pre-fixed in advance, so that the protection device is convenient to use.

In the third embodiment, at least two latch assemblies are disposed on the wire at each end of the crimp tube, and in other embodiments, the number of strands of the traction rope may be increased without adding too many latch assemblies.

In the first embodiment, two traction ropes are provided, one end of each traction rope is fixedly connected with the steel anchor ring, the other end of one traction rope is fixedly connected with the traction ring on the lock catch assembly on one side of the L-shaped crimping tube, the other end of the other traction rope is fixedly connected with the traction ring on the lock catch assembly on the other side of the L-shaped crimping tube, in other embodiments, one end of each traction rope is bound on the traction ring on the lock catch assembly on the outer side of the crimping tube, and the other end of each traction rope is bound on the lock catch assembly below the drainage tube.

In the above embodiment, the latch assembly includes a U-bolt, a clamping plate and a locking nut, where the clamping plate is provided with two through holes, the U-bolt is inserted into the two through holes to penetrate through the clamping plate and the locking nut to be in butt joint, and in other embodiments, the latch assembly may not be applicable to the U-bolt, and a round anchor ear is used to lock the wire.

In the above embodiment, the middle part of the upper surface of the clamping plate is provided with the half-arc groove, and in other embodiments, the half-arc groove may not be provided.

In the above embodiment, the anti-slip pad may be fixedly connected to the half-arc groove, and the protection pad may not be fixed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. A tension wire crimp tube protection device, comprising:

Latch assembly (5): the lock catch assembly (5) is provided with at least two, one end of the wire (4) is in compression joint with the inside of the compression joint pipe, the lock catch assembly (5) is fixed on the wire (4) at the outer side of the compression joint pipe, and the lock catch assembly (5) can lock the wire (4) at a fixed position;

traction ring (6): the traction ring (6) is fixedly connected above the lock catch assembly (5);

traction rope (7): the end part of the traction rope (7) is bound and fixed on the traction ring (6).

2. The tension wire crimp tube protection device of claim 1, wherein the crimp tube is a turn crimp tube or a straight crimp tube; the turning crimping pipe comprises an L-shaped crimping pipe (2), a drainage pipe (3) and a plugging rod with a steel anchor ring (1), wherein a hole is formed in the outer wall of the turning part of the L-shaped crimping pipe (2), the plugging rod at one side of the steel anchor ring (1) is inserted into the hole to be in contact with the end part of a wire (4) in the L-shaped crimping pipe (2), and one end of the L-shaped crimping pipe (2) is fixedly connected with the drainage pipe (3).

3. The tension-resistant wire crimp tube protection device of claim 1, wherein at least two latch assemblies (5) are provided on the wire (4) at each end of the crimp tube.

4. The tension-resistant wire crimping tube protection device according to claim 1 or 2, wherein two traction ropes (7) are arranged, one end of each traction rope (7) is fixedly connected with the steel anchor ring (1), the other end of one traction rope (7) is fixedly connected with the traction ring (6) on the lock catch assembly (5) on one side of the L-shaped crimping tube (2), and the other end of the other traction rope (7) is fixedly connected with the traction ring (6) on the lock catch assembly (5) on the other side of the L-shaped crimping tube (2).

5. The tension-resistant wire crimping tube protection device according to claim 1, wherein the locking assembly (5) comprises a U-shaped bolt (8), a clamping plate (9) and a locking nut (10), two through holes are formed in the clamping plate (9), and the U-shaped bolt (8) is inserted into the two through holes to penetrate through the clamping plate (9) and is in butt joint with the locking nut (10).

6. The tension-resistant wire crimping tube protection device according to claim 5, wherein a half-arc groove is formed in the middle of the upper surface of the clamping plate (9), and the lower part of the wire (4) is clamped in the half-arc groove.

7. The tension-resistant wire crimping tube protection device according to claim 6, wherein the semi-arc groove is fixedly connected with an anti-slip pad (11), and the surface of the anti-slip pad (11) is in contact with the lower surface of the wire (4).