CN217766987U

CN217766987U - Paying-off pulley for erecting communication optical cable

Info

Publication number: CN217766987U
Application number: CN202221747583.0U
Authority: CN
Inventors: 谭银辉; 罗智勇
Original assignee: Xiangtan Tanzhou Electric Power Construction Co ltd
Current assignee: Xiangtan Tanzhou Electric Power Construction Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-08
Anticipated expiration: 2032-07-07

Abstract

The application discloses communication optical cable erects and uses unwrapping wire coaster, including pulley, clamping device and fixed plate, the pulley rotates to be connected on the fixed plate, clamping device connects on the fixed plate, its characterized in that: the clamping device comprises a sliding block, two bent rods and two connecting rods, one ends of the two connecting rods are hinged with the sliding block, and the sliding block is connected with the fixed plate through a connecting assembly; the bent rod comprises a rotating rod and a clamping rod, one end of each of the two rotating rods is hinged with one end, away from the sliding block, of each of the two connecting rods, the other ends of the two rotating rods are mutually crossed and hinged, and the clamping rod is fixedly connected to one end, away from the connecting rod, of each of the rotating rods; this application can reduce the supporting rod and by the clearance between centre gripping reinforcing bar iron set or the cable through the setting of centre gripping subassembly, reduces rocking of unwrapping wire pulley, has strengthened the connection stability of unwrapping wire pulley.

Description

Paying-off pulley for erecting communication optical cable

Technical Field

The application relates to the field of cable paying-off tools, in particular to a paying-off tackle for erecting communication optical cables.

Background

Currently, optical communication cables are composed of a core and an outer sheath, wherein the core is composed of a plurality of (core) optical fibers (generally from several cores to several thousands of cores). The method is widely used for signal transmission of departments such as telecommunication, power, broadcasting and the like, and gradually becomes a main body of future communication networks. OPGW optical cables are commonly used in power line erection.

During overhead laying of the OPGW optical cable, a paying-off pulley is usually required to be installed between two iron towers, when the optical cable is installed, the pulley is hung on a cable between the two iron towers, and then the optical cable to be laid passes through the paying-off pulley; the paying-off pulley can support the optical cable, so that the abrasion of the optical cable is reduced, and the core breaking rate of the optical cable is reduced. In the prior art, the connection between the paying-off pulley and the cable is generally realized by a simple hook.

With respect to the above-described related art, the inventors consider that: the size of a dimension of the hook is fixed when leaving a factory, if a small iron tower steel bar or a small cable is connected, a gap is reserved between the hook and the cable, the wind speed is high in high altitude, the paying-off tackle can shake, and the paying-off tackle and a clamped object are unstable in connection.

SUMMERY OF THE UTILITY MODEL

In order to make the cable that the unwrapping wire coaster can be more stable articulate on, this application provides a communication optical cable erects and uses unwrapping wire coaster.

The application provides a pair of communication optical cable erects and uses unwrapping wire coaster adopts following technical scheme:

a paying-off tackle for erecting a communication optical cable comprises a pulley, a clamping device and a fixed plate, wherein the pulley is rotatably connected to the fixed plate, the clamping device is connected to the fixed plate, the clamping device comprises a sliding block, two bent rods and two connecting rods, one end of each connecting rod is hinged to the sliding block, and the sliding block is connected with the fixed plate through a connecting assembly; the bent rod comprises two rotating rods and a clamping rod, one ends of the two rotating rods are respectively hinged with one ends of the two connecting rods far away from the sliding block, the other ends of the two rotating rods are mutually crossed and hinged, and the clamping rod is fixedly connected with one ends of the two rotating rods far away from the connecting rods; one ends of the two connecting rods, which are far away from the fixing plate, are close to each other to drive the two clamping rods to be closed so as to be hung on the cable.

By adopting the technical scheme, when the clamping device is actually used, the fixing plate is lifted to enable the clamping assembly to move upwards integrally, the two clamping rods are far away, when the steel bar of the iron tower or the cable to be clamped enters the area which can be surrounded by the two clamping rods, the fixing plate is loosened after the hinge point positions of the two clamping rods are stabilized, the fixing plate naturally falls down to drive the two connecting rods to enable the two clamping plates to be closed to completely clamp the cable, and the gap between the clamping plates and the cable is small; when the paying-off pulley needs to be taken down, the connecting assembly is unfastened, the clamping assembly is separated from the fixed plate, the two clamping rods can be opened by sliding the sliding block upwards, the fixed plate does not need to be lifted together, and the strength is saved; the structure can be well clamped when acting on iron tower reinforcing steel bars or cables with different sizes, and is not easy to shake along with wind; the connection stability between the paying-off pulley and the clamped cable is enhanced.

Optionally, a sliding rod is fixedly connected to the hinged position of the two rotating rods along the vertical direction, and the sliding block is connected to the sliding rod in a sliding manner along the length direction of the sliding rod; the fixed plate is sleeved on the slide rod, and a limiting bolt for limiting the fixed plate to be separated from the slide rod is arranged at the lower end of the slide rod.

Through adopting above-mentioned technical scheme, set up a slide bar between fixed plate and centre gripping subassembly, strengthened unwrapping wire coaster overall stability when providing the guide effect for slider and fixed plate.

Optionally, the sliding plate is used for being rotatably connected with the fixed plate, and the sliding rod is provided with a limiting component for limiting the rotation of the fixed plate.

Through adopting above-mentioned technical scheme, fixed plate and pulley can form different contained angles with the centre gripping subassembly, make the device can satisfy turning the angle go to lay the optical cable.

Optionally, the limiting assembly comprises a plurality of protruding blocks circumferentially fixed on the sliding rod, and a clamping groove for the protruding blocks to be clamped in is formed in the fixing plate.

By adopting the technical scheme, the fixing plate is rotated by the required rotating angle, and then the fixing plate is sleeved on the sliding rod, and the lug on the sliding rod can limit the rotation of the fixing plate on the sliding rod, so that the included angle between the fixing plate and the steel bar or cable of the clamped iron tower is fixed.

Optionally, coupling assembling is connecting bolt and fixed station, fixed station fixed connection be in on the fixed plate, connecting bolt one end fixed connection has the spacing head, be equipped with in the fixed station and be used for the confession spacing head pivoted ring channel, another wearing out of connecting bolt fixed station passes through nut fixed connection and is in on the slide.

Through adopting above-mentioned technical scheme, fix connecting bolt both ends respectively on fixed station and slider in order to realize being connected of slider and fixed plate, the setting of ring channel can satisfy the rotation of slider and fixed plate and be connected this coupling assembling simple structure, convenient operation simultaneously.

Optionally, the connecting assembly includes an insertion rod and an insertion platform, the insertion rod is fixedly connected to the slider, the insertion platform is fixedly connected to the fixing plate, an insertion groove for the insertion rod to be inserted and rotated is formed in the insertion platform, and a plurality of spring bolts are slidably connected to the insertion platform along a radial direction of the insertion platform; the insertion rod is provided with a groove for the insertion of the spring bolt.

By adopting the technical scheme, the sliding block is moved downwards while the spring bolt is pulled open until the insertion rod is inserted into the insertion groove, then the spring bolt is loosened to be inserted into the groove on the insertion rod, and the sliding block is connected with the fixing plate through the spring bolt; the connecting assembly is simple in structure and convenient to operate.

Optionally, the two clamping rods are both arc-shaped.

Through adopting above-mentioned technical scheme, can let the supporting rod with by the clearance between centre gripping reinforcing bar iron pole or the cable littleer, reduce rocking of unwrapping wire pulley.

Optionally, the two clamping rods are coated with an anti-slip coating.

Through adopting above-mentioned technical scheme, can increase the clamping rod and by the frictional force of centre gripping reinforcing bar iron pole or cable, reduce rocking of unwrapping wire pulley.

To sum up, the application comprises the following beneficial technical effects:

1. according to the pay-off pulley, the clamping assembly is arranged, so that the gap between the clamping rod and the clamped steel bar iron rod or the cable can be reduced, the shaking of the pay-off pulley is reduced, and the connection stability of the pay-off pulley is enhanced;

2. this application lets the fixed plate and be certain contained angle and contained angle size can be fixed by the setting of lug on the slide bar between centre gripping reinforcing bar iron set or the cable to realize turning of optical cable and lay.

Drawings

FIG. 1 is an overall view of a cable laying block of an embodiment 1 of the present invention;

FIG. 2 is a partial cross-sectional view of the structure of FIG. 1;

fig. 3 is a partial structural sectional view of a cable laying block according to embodiment 2 of the present invention.

Description of reference numerals:

1. a clamping device; 11. bending a rod; 111. rotating the rod; 112. a clamping rod; 12. a connecting rod; 13. a slide bar; 131. a limit bolt; 132. a bump; 14. a slider; 141. a connecting bolt; 142. a limiting head; 143. an annular groove; 144. a fixed table; 145. a spring bolt; 146. a plug rod; 2. a fixing plate; 147. a plug-in station; 3. a pulley.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Example 1;

the embodiment of the application discloses a paying-off tackle for erecting a communication optical cable. Referring to fig. 1 and 2, the paying-off tackle comprises a pulley, a clamping device and a fixing plate, wherein the pulley is rotatably connected to the fixing plate, the clamping device is connected to the fixing plate, and the clamping device is used for being hung on a cable.

The clamping device comprises a sliding block, two bent rods and two connecting rods, and one ends of the two connecting rods are hinged with the sliding block; the bent rod comprises rotating rods and a clamping rod, one ends of the two rotating rods are respectively hinged with one ends of the two connecting rods far away from the sliding block, the other ends of the two rotating rods are mutually crossed and hinged, and the clamping rod is fixedly connected with one ends of the rotating rods far away from the connecting rods; the bent rod forms a structure similar to scissors, the connecting rod is connected to the sliding block and can complete the closing or opening of the two clamping rods through the moving sliding block, the sliding block is moved upwards to open the two clamping rods during the installation of the paying-off sliding trolley, the sliding block is moved downwards after the position is determined to enable the two clamping rods to be closed so as to clamp the steel bars of the iron tower or the cables, then the sliding block is connected with the fixing plate, and the fixing plate naturally descends to enable the two clamping rods to be tightly attached to the clamped steel bars of the iron tower or the cables.

In order to avoid the need of lifting the whole fixed plate to move upwards when the clamping device or the clamped cable needs to be replaced, a fixed table is fixedly connected to the fixed plate, an annular groove is formed in the fixed table, a connecting bolt is rotatably connected to the annular groove, penetrates through the fixed table and is fixed with the sliding block through a nut, and therefore the fixed plate and the sliding block can be detached; when the clamping device needs to be taken down, the sliding block can be separated from the fixed table by taking down the nut.

In order to enhance the overall stability of the pay-off tackle and provide a guiding function for the sliding of the sliding block, a sliding rod is fixedly connected to the hinged position of the two clamping plates, the fixed plate is sleeved on the sliding rod, and a limiting bolt is arranged at the lower end of the sliding rod in a penetrating mode to prevent the fixed plate from falling off; the slide bar can prevent the fixed plate from swaying along with the wind in the air.

In order to realize angle-turning laying of the optical cable, the sliding rod is provided with a lug, the fixing plate is provided with a clamping groove for the lug to insert, when the optical cable needs angle-turning laying, an included angle between the fixing plate and the clamping assembly is firstly adjusted on the ground, and then the fixing plate and the pulley are integrally sleeved on the sliding rod; through the setting of lug, establish the back when the fixed plate has been established, the fixed plate can't rotate again, makes fixed plate and centre gripping subassembly maintain certain contained angle.

In order to better clamp the steel tower reinforcing steel bars or the cables, the clamping part is arranged into a circular arc shape so as to reduce the gap between the clamping part and the clamped steel tower reinforcing steel bars or the cables, and meanwhile, the surface of the clamping part is coated with an anti-slip coating so as to increase the friction force.

The implementation principle of a unwrapping wire coaster for communication optical cable erection in the embodiment of the application is as follows: the two bent rods are crossed and hinged to form a structure similar to a pair of scissors, and the two bent rods can be suitable for iron tower reinforcing steel bars or cables with different sizes due to different closing degrees; then the loads of the fixed plate, the optical cable and the pulley are transferred to the two bent rods through the two connecting rods, and finally the loads are transferred to the clamped iron tower steel bars or cables to complete the integral hoisting of the paying-off tackle; the setting of connecting bolt lets the unwrapping wire coaster when needs are dismantled, can separate the centre gripping subassembly in the fixed plate temporarily, convenient dismantlement, and the setting of slide bar can let coupling assembling still attach on the iron tower reinforcing bar or the cable by the centre gripping after untiing the load of fixed plate and pulley simultaneously, the protection optical cable.

Example 2;

referring to fig. 3, the difference between the present embodiment and the present embodiment is that the connecting assembly is different, the connecting assembly of the present embodiment includes an insertion rod and an insertion platform, the insertion rod is fixedly connected to the sliding block, the insertion platform is fixedly connected to the fixing plate, an insertion groove for inserting the insertion rod is formed in the insertion platform, and a plurality of spring bolts are slidably connected to the insertion platform along the radial direction of the sliding rod; the insertion rod is provided with a groove for inserting the spring bolt; the spring bolt is inserted into the groove, so that the plug rod and the plug platform can be rigidly connected to form a whole, when the sliding block and the fixed plate are required to be separated, the spring bolt is pulled open, so that the plug rod can be withdrawn from the plug platform, and the sliding block and the fixed plate are separated.

The implementation principle of the paying-off tackle for erecting the communication optical cable is that after the insertion rod is inserted into the insertion groove in the insertion platform, the insertion rod and the insertion platform are rigidly connected through the spring bolt to form a whole, when the insertion platform and the insertion rod need to be separated, the spring bolt is pulled out first, and then the insertion rod can be separated from the insertion platform, so that the connection and the separation between the sliding block and the fixing plate are achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a communication optical cable erects and uses unwrapping wire coaster, includes pulley (3), clamping device (1) and fixed plate (2), pulley (3) rotate to be connected on fixed plate (2), clamping device (1) are connected on fixed plate (2), its characterized in that: the clamping device (1) comprises a sliding block (14), two bent rods (11) and two connecting rods (12), one ends of the two connecting rods (12) are hinged to the sliding block (14), and the sliding block (14) is connected with the fixing plate (2) through a connecting assembly; the bending rod (11) comprises a rotating rod (111) and a clamping rod (112), one end of each of the two rotating rods (111) is hinged to one end, far away from the sliding block (14), of each of the two connecting rods (12), the other ends of the two rotating rods (111) are mutually crossed and hinged, and the clamping rod (112) is fixedly connected to one end, far away from the connecting rods (12), of each of the rotating rods (111); one ends of the two connecting rods (12) far away from the fixing plate (2) are close to each other to drive the two clamping rods (112) to be closed so as to be hung on the cable.

2. The stringing pulley for erecting communication optical cables as recited in claim 1, wherein: a sliding rod (13) is fixedly connected to the hinged positions of the two rotating rods (111) along the vertical direction, and the sliding block (14) is connected to the sliding rod (13) in a sliding manner along the length direction of the sliding rod (13); the fixed plate (2) is sleeved on the sliding rod (13), and a limiting bolt (131) used for limiting the fixed plate (2) to be separated from the sliding rod (13) is arranged at the lower end of the sliding rod (13).

3. The paying-off trolley for erecting the communication optical cable according to claim 2, wherein: the sliding block (14) is used for being rotationally connected with the fixed plate (2), and the sliding rod (13) is provided with a limiting component used for limiting the fixed plate (2) to rotate.

4. The stringing pulley for erecting communication cables as claimed in claim 3, wherein: the limiting assembly comprises a plurality of protruding blocks (132) which are circumferentially fixed on the sliding rod (13), and clamping grooves for the protruding blocks (132) to be clamped in are formed in the fixing plate (2).

5. The stringing pulley for erecting communication optical cables as recited in claim 1, wherein: coupling assembling is connecting bolt (141) and fixed station (144), fixed station (144) fixed connection be in on fixed plate (2), connecting bolt (141) one end fixed connection spacing head (142), be equipped with in fixed station (144) and be used for the confession spacing head (142) pivoted ring channel (143), another wearing out fixed station (144) of connecting bolt (141) passes through nut fixed connection in on slider (14).

6. The stringing pulley for erecting communication optical cables as recited in claim 1, wherein: the connecting assembly comprises an inserting rod (146) and an inserting table (147), the inserting rod (146) is fixedly connected to the sliding block (14), the inserting table (147) is fixedly connected to the fixing plate (2), an inserting groove for the inserting rod (146) to insert and rotate is formed in the inserting table (147), and a plurality of spring bolts (145) are slidably connected to the inserting table (147) in the radial direction of the inserting table (147); the insertion rod (146) is provided with a groove for inserting the spring bolt (145).

7. The stringing pulley for erecting communication optical cables as recited in claim 1, wherein: the two clamping rods (112) are both arc-shaped.

8. The stringing pulley for erecting communication optical cables as recited in claim 1, wherein: and the two clamping rods (112) are coated with anti-skid coatings.