Fine adjustment type strain clamp for power optical cable and hoisting structure

Abstract

The utility model relates to a fine adjustment type strain clamp for an electric power optical cable and a hoisting structure, which comprise an adjustable suspension device, and two ends of the adjustable suspension device are respectively connected with a U-shaped suspension ring and a heart-shaped ring. The adjustable suspension device comprises an adjusting frame and a fixing pin shaft, the two sides of the adjusting frame are in threaded connection with a first adjusting suspension rod and a second adjusting suspension rod, a first sliding ring and a second sliding ring are slidably arranged in the middle of the adjusting frame, the outer ends of the first adjusting suspension rod and the second adjusting suspension rod are of suspension ring structures, and screw pin holes are formed in the first adjusting suspension rod and the second adjusting suspension rod. The first slip ring and the second slip ring are provided with slip ring pin holes; the first adjusting suspender and the second adjusting suspender are opposite in thread turning direction. According to the utility model, the surface of the power optical cable is sequentially wrapped with the tension-resistant inner-layer twisted wire, the tension-resistant middle-layer twisted wire and the tension-resistant outer-layer twisted wire, the tension-resistant middle-layer twisted wire and the tension-resistant outer-layer twisted wire are respectively connected with the heart-shaped ring, and the U-shaped hanging ring is connected with the iron tower.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of optical cable hardware, and relates to a fine adjustment type tension clamp for power optical cable and hoisting structure. BACKGROUND

[0002] The commonly used tension clamp for power optical cable is usually connected in the form of a simple double eye plate or an adjusting plate, and the clamp itself only has a tension inner layer twisted wire 16 and a tension middle layer twisted wire 15. Due to the double eye plate or the adjusting plate, the plate hole is single, the position is fixed and unchangeable, the adjustment distance is greatly limited, and the adjustment mode needs to tighten the tension clamp through a tension mechanism, then loosen the bolt, reposition and install the adjusting hole, and then lock the bolt again, so that the operation steps are quite complex, and the construction adjustment length is quite inconvenient. In addition, the tension clamp only holds the optical cable through the tension middle layer twisted wire, and has no multiple protection function when crossing important places, such as crossing bridges, railways, valleys, rivers and lakes, so if the tension middle layer twisted wire is broken, the loss is heavy.

[0003] Therefore, how to improve the structure of the tension clamp for power optical cable, conveniently adjust the length of the clamp, improve the installation efficiency, ensure that the tension clamp is more reliable and more firm, and protect the safe operation of the power transmission line, has become a topic that needs to be solved in the industry. SUMMARY

[0004] The utility model discloses a purpose at providing a kind of fine adjustment type tension clamp for power optical cable and hoisting structure, can solve above-mentioned problem, and more safe and reliable.

[0005] According to the technical scheme provided by the utility model: a kind of fine adjustment type tension clamp for power optical cable, including adjustable suspension device, the both ends of adjustable suspension device are connected U type hanging ring and heart ring respectively;Adjustable suspension device includes adjusting frame and fixed pin shaft, adjusting frame two sides are connected first adjusting suspender and second adjusting suspender with screw thread, first sliding ring and second sliding ring are slidably arranged in the middle of adjusting frame, the outer end of first adjusting suspender and second adjusting suspender is hanger structure, first adjusting suspender and second adjusting suspender are equipped with screw rod pin hole, first sliding ring and second sliding ring are equipped with sliding ring pin hole;The screw thread direction of first adjusting suspender and second adjusting suspender is opposite.

[0006] As a further improvement of the utility model, U type hanging ring middle is equipped with hanging ring cavity.

[0007] As a further improvement of the utility model, U type hanging ring end is equipped with hanging ring pin.

[0008] As a further improvement of the utility model, hanging ring pin is located in the middle of the outer end of first adjusting suspender.

[0009] As a further improvement of the utility model, heart ring middle is equipped with connecting cavity.

[0010] As a further improvement of the utility model, the heart-shaped ring end is provided with a connecting pin.

[0011] As a further improvement of the utility model, the connecting pin is located in the middle of the outer end of the second adjusting suspender.

[0012] As a further improvement of the utility model, the U-shaped hanging ring and the adjustable suspension device are hot-dip galvanized steel.

[0013] As a further improvement of the utility model, the heart-shaped ring is nodular cast iron.

[0014] A kind of micro-adjustable power cable with the hoisting structure of strain clamp, including power cable, power cable periphery is successively wrapped with strain inner layer wire, strain middle layer wire, strain outer layer wire, strain middle layer wire and strain outer layer wire two ends are connected with the strain clamp as described above.

[0015] The positive progress effect of the present application is that:

[0016] (1) the utility model discloses a surface of power cable is successively wrapped with strain inner layer wire, strain middle layer wire and strain outer layer wire, strain middle layer wire and strain outer layer wire are connected with heart-shaped ring, U-shaped hanging ring is connected with iron tower, adjustable suspension device is added between U-shaped hanging ring and heart-shaped ring and is connected, and adjustable suspension device includes adjusting frame, first adjusting suspender, second adjusting suspender and locking device;By positive rotation or reverse rotation adjusting frame, installation sag distance can be accurately adjusted;After adjusting in place, first adjusting suspender and second adjusting suspender are fixed by locking device, accurate positioning, installation is convenient, saves time and labor, and efficiency is high.

[0017] (2) the utility model discloses that strain outer layer wire is wound protection outside strain middle layer wire, plays double protection, plays the role of safety backup protection when crossing important place, such as crossing bridge, crossing railway, valley, river, lake etc., is more safe and reliable. DRAWINGS

[0018] Figure 1 It is the structure schematic drawing of the hoisting structure of the utility model.

[0019] Figure 2 It is the structure schematic drawing of adjustable suspension device of the utility model.

[0020] Figure 3 It is the structure schematic drawing of U-shaped hanging ring of the utility model.

[0021] Figure 4 It is the structure schematic drawing of heart-shaped ring of the utility model. CONCRETE IMPLEMENTATION

[0022] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0023] In order to make the person skilled in the art better understand the utility model scheme, the technical scheme in the utility model embodiments will be described clearly and completely below in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0024] It should be noted that the terms "first", "second" and the like in the specification and claims of the utility model and the above drawings are used to distinguish similar objects, not necessarily to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein. In addition, "including" and "having" and similar terms mean that in addition to those listed in "including" and "having", other non-listed contents can also be "including" and "having"; for example, a process, method, system, product or device that can include a series of steps or units, not necessarily limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0025] Due to the angle of the drawing, some parts may not be drawn, but their positions and connection relationships can be understood according to the textual expression part.

[0026] As shown in Figure 1 The utility model is a fine adjustment type power cable strain clamp, which comprises an adjustable suspension device 12, and the two ends of the adjustable suspension device 12 are connected with a U-shaped hanging ring 11 and a heart-shaped ring 13 respectively.

[0027] As shown in Figure 2 The adjustable suspension device 12 comprises an adjusting frame 123 and a fixed pin shaft, the first adjusting boom 121 and the second adjusting boom 124 are threadedly connected to the two sides of the adjusting frame 123, the first sliding ring 122 and the second sliding ring 125 are slidably arranged in the middle of the adjusting frame 123, the outer ends of the first adjusting boom 121 and the second adjusting boom 124 are in the form of a lifting ring, screw pin holes are arranged on the first adjusting boom 121 and the second adjusting boom 124, and sliding ring pin holes are arranged on the first sliding ring 122 and the second sliding ring 125.

[0028] The first adjusting hanger 121 and the second adjusting hanger 124 are screwed in opposite directions. The adjustable suspension device 12 adjusts the length of the installation by adjusting the frame 123 in the positive direction or the reverse direction, and the adjustment accuracy is high. After adjustment, the first sliding ring 122 and the second sliding ring 125 are slid to make the screw pin hole and the sliding ring pin hole coaxial, and then the fixed pin shaft is inserted to fix the first adjusting hanger 121 and the second adjusting hanger 124.

[0029] It should be understood that before adjustment, the first adjusting hanger 121 and the second adjusting hanger 124 are rotated to ensure that the screw pin hole and the sliding ring pin hole are parallel or coaxial, so that when the adjustable suspension device 12 is rotated, the first adjusting hanger 121 and the second adjusting hanger 124 move axially, and the screw pin hole and the sliding ring pin hole remain parallel or coaxial.

[0030] As shown in Figure 3 , the U-shaped hanging ring 11 is provided with a hanging ring cavity 11-1 in the middle and a hanging ring pin 11-2 at the end, and the hanging ring pin 11-2 is located in the middle of the outer end of the first adjusting hanger 121.

[0031] As shown in Figure 4 , the heart-shaped ring 13 is provided with a connecting cavity 13-1 in the middle and a connecting pin 13-2 at the end, and the connecting pin 13-2 is located in the middle of the outer end of the second adjusting hanger 124.

[0032] The U-shaped hanging ring 11 and the adjustable suspension device 12 are hot-dip galvanized steel. The heart-shaped ring 13 is ductile cast iron.

[0033] The hoisting structure of the fine-tuning power optical cable strain clamp is shown in Figure 1 , which comprises a power optical cable 17, and the power optical cable is wrapped with a strain inner layer wire 16, a strain middle layer wire 15, and a strain outer layer wire 14 in sequence. The strain middle layer wire 15 and the strain outer layer wire 14 are connected to the strain clamp at both ends, and specifically, the strain outer layer wire 14 is connected to the heart-shaped ring 13 at both ends.

[0034] The strain outer layer wire 14 is wound outside the strain middle layer wire 15, which plays a double protection role.

[0035] The strain outer layer wire 14, the strain middle layer wire 15, and the strain inner layer wire 16 are aluminum-clad steel wires.

[0036] It should be understood that the above embodiments are only exemplary embodiments adopted for the purpose of illustrating the principles of the present application, but the present application is not limited thereto. Those skilled in the art can make various modifications and improvements without departing from the spirit and essence of the present application, and these modifications and improvements are also considered within the protection scope of the present application.

Claims

1. A strain clamp for a micro-adjustable power optical cable, characterized by, The adjustable suspension device (12) is connected with the U-shaped hanging ring (11) and the heart-shaped ring (13) at both ends respectively.

2. The messenger clamp for a micro-optimized power optical cable according to claim 1, wherein The U-shaped hanging ring (11) is provided with a hanging ring cavity (11-1) in the middle.

3. The messenger clamp for a micro-optimized power optical cable according to claim 1, wherein The U-shaped hanging ring (11) is provided with a hanging ring pin (11-2) at the end.

4. The messenger clamp for a micro-optimized power optical cable according to claim 3, wherein The hanging ring pin (11-2) is located in the middle of the outer end of the first adjustment boom (121).

5. The messenger clamp for a micro-optimized power optical cable according to claim 1, wherein The heart-shaped ring (13) is provided with a connecting cavity (13-1) in the middle.

6. The messenger clamp for a micro-optimized power optical cable according to claim 1, wherein The heart-shaped ring (13) is provided with a connecting pin (13-2) at the end.

7. The messenger clamp for a micro-duct power optical cable according to claim 6, wherein The connecting pin (13-2) is located in the middle of the outer end of the second adjustment boom (124).

8. The messenger clamp for a micro-optimized power optical cable according to claim 1, wherein The U-shaped hanging ring (11) and the adjustable suspension device (12) are hot-dip galvanized steel.

9. The messenger clamp for a micro-extended power optical cable according to claim 1, wherein The heart-shaped ring (13) is ductile cast iron.

10. A lifting structure of a strain clamp for a micro-adjustable power optical cable, characterized by The power optical cable (17) is wrapped with a tensile inner layer of twisted wire (16), a tensile middle layer of twisted wire (15) and a tensile outer layer of twisted wire (14) in sequence, and the tensile middle layer of twisted wire (15) and the tensile outer layer of twisted wire (14) are connected with the tensile clamp as claimed in any one of claims 1-9.

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