CN219627231U - Light-duty crossing frame - Google Patents

Abstract

The utility model relates to the technical field of power line engineering, in particular to a light-weight crossing frame. The problem of traditional pole spanning frame adjustment degree of difficulty big, heavy is big, the security can't be guaranteed is solved. The crossing frame is arranged on the cable bridge wire crossing frame and is formed by connecting a plurality of standard knots, the standard knots are arranged on the cable bridge wire crossing frame through a bearing bracket, the standard knots are sleeved with movable anchor clamps, the cable bridge wire crossing frame is provided with a tower tip hanging point, and the movable anchor clamps are connected with the tower tip hanging point through a hanging rope. Through adopting the standard festival of round pin axle type connection, remove the staple bolt and adopt the bearing support of centre gripping formula, reach installation convenience, adjust convenient and fast and safe and reliable's purpose.

Description

Light-duty crossing frame

Technical Field

The utility model relates to the technical field of power line engineering, in particular to a light-weight crossing frame.

Background

At present, the stability of a common pole spanning frame adopted in the power transmission industry in China mainly depends on tetragonal stay wires, so that the stability of the common pole is relatively independent, a steel wire rope is adopted for a beam above the pole spanning frame, high-altitude personnel cannot directly operate on the steel wire rope, and a net sealing carrier rope is generally bound at the top of the pole. In the construction process, when being influenced by the position of a spanned object and the fluctuation of the topography, the width of the traditional pole-holding spanning frame cannot be adjusted. And the single section has large weight and can be used only by being matched with construction equipment such as angle grinder and the like. The fixed point on the tower is temporarily tied up, and the effective loading of the tension force and the operation safety can not be ensured.

Disclosure of Invention

The utility model provides a light crossing frame, which effectively solves the problems of large adjustment difficulty, heavy weight and incapability of ensuring safety of the traditional pole crossing frame, and achieves the purposes of convenient installation, convenient and quick adjustment and safety and reliability by adopting a standard joint connected by a pin shaft, a movable hoop and a clamping type bearing bracket.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a light-duty span-mounting frame, span-mounting frame installs on cable bridge wire frame 1, its characterized in that: the crossing frame is formed by connecting a plurality of standard sections 2, the standard sections 2 are arranged on a cable bridge wire-crossing frame 1 through bearing brackets 5, movable hoops 4 are sleeved on the standard sections 2, a tower tip hanging point 6 is arranged on the cable bridge wire-crossing frame 1 in a ring-mounting mode, and the movable hoops 4 are connected with the tower tip hanging point 6 through hanging ropes 7.

The standard section 2 is of a tripod structure of an aluminum profile, pin shaft holes 3 are formed in two ends of the standard section 2, and the standard section 2 is connected through the pin shafts inserted into the pin shaft holes 3.

The movable hoop 4 is of a triangular frame structure, and a hoop interface 401 is arranged on the movable hoop 4.

The bearing support 5 comprises a bearing table 501, a holding back plate 502 and an amplitude changing support rod 503, one end of the bearing table 501 and one end of the holding back plate 502 are movably connected, and two ends of the amplitude changing support rod 503 are respectively fixed at the other ends of the bearing table 501 and the holding back plate 502.

The bearing table 501 adopts a groove type structure; the clamping backboard 502 adopts a double-layer clamping board type structure and is fixed on the cable bridge wire-crossing frame 1 through bolts; the amplitude-variable supporting rod 503 adopts a hydraulic rod structure.

The tower tip lifting point 6 adopts a double-layer clamping plate type structure and is fixed on the cable bridge wire-crossing frame 1 through bolts.

The beneficial effects of the utility model are as follows: 1. the standard section uses high-strength aluminum section, and compared with the traditional steel spanning frame, the standard section has the characteristics of light weight and high strength, so that the loading and unloading and mounting difficulties of the standard section are greatly reduced.

2. And 3m standard sections are adopted for pin shaft type connection. The device has the characteristics of high strength, convenience in operation, quick installation and the like.

3. The movable anchor ear is used as a hanging rope and an eye pulley hanging frame point. The purpose of coaxial downward pressure and lifting force is achieved, and the stress bending moment of the temporary cross beam is reduced to the maximum extent. Has the characteristics of large section, strong bearing capacity and convenient installation. The anchor ear can move on the standard section, is favorable to the high altitude construction personnel to install the work of taking one's place.

4. The hanging point on the tower is fixed by adopting a clamping type supporting bracket structure, and compared with the traditional temporary winding and fixing method, the safety, the reliability and the appearance are greatly improved.

Drawings

FIG. 1 is a schematic view of the mounting structure of the present utility model;

FIG. 2 is a schematic illustration of a standard knot configuration;

FIG. 3 is a schematic view of a mobile anchor ear structure;

FIG. 4 is a schematic view of a first support bracket;

FIG. 5 is a schematic view of a second support bracket;

FIG. 6 is a schematic diagram of a tower tip lifting point structure;

the figure shows: the cable bridge wire-crossing frame 1, a standard knot 2, a pin shaft hole 3, a movable hoop 4, a hoop interface 401, a bearing bracket 5, a bearing table 501, a clamping backboard 502, an amplitude-changing support rod 503, a tower tip lifting point 6, a lifting point interface 601 and a lifting rope 7.

Detailed Description

The technical scheme of the utility model is further described below by specific embodiments with reference to the accompanying drawings:

example 1

A light-weight crossing frame shown in fig. 1-6 comprises a standard joint 2, a pin shaft hole 3, a movable hoop 4, a bearing bracket 5 and a tower tip lifting point 6, and the specific installation structure is as follows.

The structure of the standard knot 2 is shown in fig. 2, and the standard knot 2 is made of light high-strength 6061-T6 aluminum alloy material, has the length of 3m and the weight of 33kg. The whole shape is triangular, and the length of the whole structure is required to meet the transportation requirement of light vehicles, so that the manual loading, unloading and installation are realized. The end of the standard joint 2 is provided with a pin hole 3, and the pin shaft is adopted to realize the connection between the standard joints 2. The standard section 2 has the characteristics of high strength, convenient operation, quick installation and the like.

The movable anchor ear 4 is made of aluminum alloy material and has a weight of about 6 kg/pair as shown in FIG. 3. The movable anchor ear 4 has a triangular structure similar to a standard knot. The movable anchor ear 4 is used as a hanging rope and an eye pulley hanging rack point, so that the purpose of coaxial downward pressure and lifting force is achieved, and the stress bending moment of the temporary cross beam is reduced to the greatest extent. Has the characteristics of large section, strong bearing capacity and convenient installation. The movable hoop 4 is sleeved on the standard joint 2 and can move on the standard joint 2, so that high-altitude installation operation of high-altitude operators is facilitated.

A hoop interface 401 is provided on the movable hoop 4 for fixing the lifting rope 7.

As shown in fig. 4 and 5, the support bracket 5 has a triangular structure composed of a support table 501, a holding back plate 502 and a variable amplitude strut 503. As shown, one end of the support table 501 and one end of the holding back plate 502 can be movably connected, and two ends of the amplitude-variable supporting rod 503 are respectively fixed at the other ends of the support table 501 and the holding back plate 502. When the cable bridge is used, the double-layer clamping plate type structure is clamped on the cable bridge wire-crossing frame 1 and is fixed by bolts, the supporting table 501 of the groove type structure is clamped on the standard joint 2, and the position of the standard joint is adjusted by adopting the amplitude-variable supporting rod 503 of the adjusting hydraulic system.

The structure of the tower tip hanging point 6 is shown in fig. 6, and the tower tip hanging point 6 with a double-layer structure is clamped on the cable bridge wire-crossing frame 1 and fixed through bolts. A hanging point interface 601 is arranged on the tower tip hanging point 6 and is used for fixing the hanging rope 7.

During specific installation, after the standard section 2 is connected with each other, the standard section is installed on the cable bridge wire-crossing frame 1 through the bearing bracket 5, and the movable anchor ear 4 installed on the standard section 2 is connected with the tower tip lifting point 6 through the lifting rope 7, so that the installation of the standard section is realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a light-duty span structure, span structure installs on the cable bridge line frame that crosses, its characterized in that: the crossing frame is formed by connecting a plurality of standard knots, the standard knots are installed on a cable bridge wire crossing frame through a bearing bracket, the standard knots are sleeved with movable hoops, a ring group is installed on the cable bridge wire crossing frame and is provided with a tower tip hanging point, and the movable hoops are connected with the tower tip hanging point through hanging ropes.

2. A lightweight frame as claimed in claim 1, wherein: the standard section is of a tripod structure of an aluminum profile, pin shaft holes are formed in two ends of the standard section, and the standard section is connected with the standard section through the pin shaft inserted into the pin shaft holes.

3. A lightweight frame as claimed in claim 1, wherein: the movable anchor ear is of a triangular frame structure, and an anchor ear interface is arranged on the movable anchor ear.

4. A lightweight frame as claimed in claim 1, wherein: the bearing support comprises a bearing table, a holding back plate and an amplitude changing support rod, one end of the bearing table is movably connected with one end of the holding back plate, and two ends of the amplitude changing support rod are respectively fixed at the bearing table and the other end of the holding back plate.

5. A lightweight frame as claimed in claim 4, wherein: the bearing table adopts a groove type structure; the clamping backboard adopts a double-layer clamping board type structure and is fixed on a cable bridge wire-crossing frame through bolts; the amplitude-variable supporting rod adopts a hydraulic rod structure.

6. A lightweight frame as claimed in claim 1, wherein: the tower tip hoisting point adopts a double-layer clamping plate type structure and is fixed on a cable bridge wire-crossing frame through bolts.