CN111560849A - A positioning device for cable sheath installation - Google Patents

Abstract

A positioning device for mounting a cable sheath tube comprises a fixed clamp, a movable clamp and a locking mechanism. The fixing clamp comprises a fixing handle and a first chuck. The movable clamp comprises a movable handle, a guide rail and a second chuck. The first chuck comprises a connecting arm and a first arc-shaped clamping plate. The second chuck comprises a sliding rod and a second arc-shaped clamping plate. The slide bar includes the slide bar main part, and the slip installation cover to and first locking screw. The locking mechanism comprises a spring arranged between the movable handle and the connecting arm, a support rod arranged between the movable handle and the fixed handle, and a second locking screw screwed at the end part of the movable handle. One end of the support rod is accommodated in the movable handle and is abutted against the second locking screw so as to limit the abutting of the position of the support rod and limit the position of the support rod. The positioning device for mounting the cable protective sleeve is simple and convenient to mount, convenient to use and good in locking effect, and mounting efficiency is improved.

Description

A positioning device for cable sheath installation

technical field

The invention belongs to the technical field of cable installation tools, in particular to a positioning device for installation of a cable sheath.

Background technique

Suspension bridges refer to bridges in which cables suspended by towers and anchored on both banks are used as the main load-bearing components of the upper structure. The cable geometry is determined by the equilibrium conditions of the forces, generally close to a parabola. Many suspension rods hang down from the cables to suspend the bridge deck. Stiffening beams are often set between the bridge deck and the suspension rods to form a combined system with the cables to reduce the deflection and deformation caused by the load.

In the process of cable erection, a sheathing sleeve is also set on the outer side of the cable to protect the cable, prevent pedestrians from damaging the cable, and protect the PE layer of the cable in case of fire. However, at present, when the protective sleeve is installed on the cable, the installation position of the protective sleeve is inaccurate, the process is complicated, and it is extremely difficult and laborious, and the efficiency is extremely low.

SUMMARY OF THE INVENTION

In view of this, the present invention provides a positioning device that can install a cable sheath that is easy to install, so as to meet industrial needs.

A positioning device for the installation of the cable sheath, comprising a fixed clip, a movable clip connected to one side of the fixed clip, and a locking device arranged between the fixed clip and the movable clip mechanism. The fixing clip includes a fixing handle and a first clamping head connected to one end of the fixing handle. The movable clip includes a movable handle, a guide rail arranged on the movable handle, and a second chuck arranged at one end of the guide rail. The first collet includes a connecting arm connected to the fixed handle, and a first arc-shaped splint hinged at one end of the connecting arm. The second collet includes a sliding rod slidably connected to the guide rail, and a second arc-shaped splint hinged at one end of the sliding rod, and the sliding rod includes a hinged second arc-shaped splint. A sliding rod main body, a sliding installation sleeve disposed on the free end of the sliding rod main body and sleeved on the guide rail, and a first locking screw screwed on the sliding installation sleeve. The locking mechanism includes a spring arranged between the movable handle and the connecting arm, a strut arranged between the movable handle and the fixed handle, and a spring connected to the end of the movable handle. part of the second locking screw. One end of the strut is accommodated in the movable handle and abuts with the second locking screw to limit the position of the strut.

Further, the fixed handle includes a fixed handle main body and an auxiliary handle hinged on the fixed handle main body, and one side of the auxiliary handle can abut with the strut.

Further, the first arc-shaped splint includes a first arc-shaped splint body and a first hinge seat disposed on the side wall of the first arc-shaped splint body.

Further, the second arc-shaped splint includes a second arc-shaped splint body and a second hinge seat disposed on the side wall of the second arc-shaped splint body.

Further, the ends of the second locking screw and the first locking screw are both provided with knurling.

Further, the extending direction of the spring and the extending direction of the strut are always parallel to each other.

Further, the extending directions of the guide rail and the movable handle are perpendicular to each other.

Further, the contour of one end of the strut close to the second locking screw is in a straight line.

Further, the guide rail includes a guide rail main body fixedly connected to the movable handle, a limit block provided with the free end of the guide rail main body, and two grooves respectively arranged on both sides of the guide rail main body. .

Further, the sliding installation sleeve includes a main body of the installation sleeve, an installation hole arranged on the main body of the installation sleeve, and two protrusions respectively arranged on the main body of the installation sleeve and in the installation holes, The bump is accommodated in the groove.

Compared with the prior art, the positioning device for installing the cable sheath provided by the present invention locks the fixed clip and the movable clip through the locking mechanism. The fixing clip includes a fixing handle and a first clamping head connected to one end of the fixing handle. The movable clip includes a movable handle, a guide rail arranged on the movable handle, and a second chuck arranged at one end of the guide rail. The sliding rod of the second collet can slide along the guide rail to adjust the distance between the first collet and the first collet. And the sliding rod can limit the position of the second collet through the first locking screw. When the fixed clip and the movable clip need to be locked, the second locking screw in the locking mechanism is tightened so that the second locking screw abuts on one end of the strut, In order to make the strut and the second locking screw form a dead point, the purpose of locking is achieved. The positioning device installed by the cable protective sleeve is easy to install, easy to use, and has a good locking effect, which improves the installation efficiency, makes the installation position accurate, and is convenient for workers to operate.

Description of drawings

FIG. 1 is a schematic structural diagram of a positioning device for installing a cable sheathing provided by the present invention.

FIG. 2 is a partial enlarged structural schematic diagram of the positioning device installed at the position A of the cable sheath of FIG. 1 .

FIG. 3 is a schematic cross-sectional structural diagram of the positioning device installed on the cable sheath of FIG. 1 .

Detailed ways

The specific embodiments of the present invention will be described in further detail below. It should be understood that the descriptions of the embodiments of the present invention herein are not intended to limit the protection scope of the present invention.

As shown in FIGS. 1 to 3 , which are schematic structural diagrams of the positioning device for installing the cable sheathing provided by the present invention. The positioning device installed on the cable sheath includes a fixed clip 10 , a movable clip 20 connected to one side of the fixed clip 20 , and a lock arranged between the fixed clip 10 and the movable clip 20 Tightening mechanism 30. The positioning device installed on the cable sheath also includes other functional modules, such as assembly components, etc., which should be known to those skilled in the art, and will not be described in detail here.

The fixing clip 10 includes a fixing handle 11 and a first clamping head 12 connected to one end of the fixing handle 11 .

The fixed handle 11 includes a fixed handle main body 111 and an auxiliary handle 112 hinged on the fixed handle main body 111 . The auxiliary handle 112 will be described in detail in conjunction with the locking mechanism 30 .

The first collet 12 includes a connecting arm 121 connected to the fixed handle 11 , and a first curved splint 122 hinged to one end of the connecting arm 121 .

The first arc-shaped splint 122 includes a first arc-shaped splint body 1221 and a first hinge seat 1222 disposed on the side wall of the first arc-shaped splint body 1221 . One end of the connecting arm 121 is hingedly connected to the first hinge seat 1222 , and it is conceivable that the first arc-shaped splint 122 can rotate around one end of the connecting arm 121 .

The movable clip 20 includes a movable handle 21 , a guide rail 22 arranged on the movable handle 21 , and a second chuck 23 arranged at one end of the guide rail 22 .

The movable handle 21 and the fixed handle 11 are hinged with the connecting arm 121 respectively, so that the fixed clip 10 and the movable clip 20 are connected together, and the fixed handle 11 and the movable The handle 21 can be rotated to adjust the position of the movable handle 21 and the first chuck 12 .

The guide rail 22 includes a guide rail main body 221 fixedly connected to the movable handle 21 , a limit block 222 provided with the free end of the guide rail main body 221 , and two on both sides of the guide rail main body 221 respectively. the groove 223. The guide rail 22 is used to guide the movement of the second chuck 23 to change the distance between the first chuck 12 and the second chuck 23 . The extending directions of the guide rail 22 and the movable handle 21 are perpendicular to each other.

The second collet 23 includes a sliding rod 231 slidably connected to the guide rail 22 , and a second arc-shaped clamping plate 232 hinged on one end of the sliding rod 231 .

The sliding rod 231 includes a sliding rod main body 2311 hinged to the second arc-shaped splint 232, a sliding installation sleeve 2312 disposed on the free end of the sliding rod main body 2311 and sleeved on the guide rail 22, and a sliding rod body 2312. The first locking screw 2313 screwed on the sliding mounting sleeve 2312. By driving the sliding rod 231 to slide along the guide rail 22 , the distance between the first chuck 12 and the second chuck 23 can be changed, so as to be used for cable towers with different diameters. By screwing the first locking screw 2313 , the position of the sliding rod 231 on the guide rail 22 is restricted.

The sliding installation sleeve 2312 includes an installation sleeve main body 2312a, an installation hole 2312b disposed on the installation sleeve main body 2312a, and two installation sleeves respectively disposed on the installation sleeve main body 2312a and in the installation hole 2312b. Bump 2312c. The protrusion 2312c is accommodated in the groove 223 to stabilize the sliding mounting sleeve 2312 along the guide rail 22 .

The second arc-shaped splint 232 includes a second arc-shaped splint body 2321 and a second hinge seat 2322 disposed on the side wall of the second arc-shaped splint body 2321 . The second hinge seat 2322 is hinged with one end of the sliding rod 231 , and it is conceivable that the second arc-shaped clamping plate 232 can rotate at one end of the sliding rod 231 . Both the first arc-shaped splint 122 and the second arc-shaped splint 232 are rotatable, so that the positions of the first arc-shaped splint 122 and the second arc-shaped splint 232 can be adjusted so that the first arc-shaped splint 232 can be adjusted. The shaped splint 122 and the second arc-shaped splint 232 are attached to the mounting seat. The cable tower is a cylinder, so when the first arc-shaped clamping plate 122 and the second arc-shaped clamping plate 232 are arranged on the cable tower, the first arc-shaped clamping plate 122 and the second arc-shaped clamping plate 232 Fit the outline of the cable tower, so that the fixed clip 10 and the movable clip 20 are stable on the cable tower.

The locking mechanism 30 includes a spring 31 arranged between the movable handle 21 and the connecting arm 121, a strut 32 arranged between the movable handle 21 and the fixed handle, and a threaded connection. A second locking screw 33 at the end of the movable handle 21 .

One end of the spring 31 is connected to the connecting arm 121, and the other end is connected to the movable handle 21, so as to connect the fixed handle 11 and the movable handle 21 together. The fixed handle 11 and the movable handle 21 are close to each other. The extension direction of the spring 31 and the extension direction of the support rod 32 are always parallel to each other, so that the direction of the pulling force of the spring 31 is consistent with the extension direction of the support rod 32, so that the fixed handle 11 and the The movable handles 21 are combined together.

One end of the support rod 32 is hinged on the fixed handle 11 , and one end of the support rod 32 is accommodated in the movable handle 21 and abuts with the second locking screw 33 to limit the support The position of the rod 32. In addition, one side of the auxiliary handle 112 can be in contact with the support rod 32 to limit the position of the support rod 32 and drive the support rod 32 to move. The contour of one end of the strut 32 close to the second locking screw 33 is in a straight line, so that the strut 32 can be in contact with the second locking screw 33, so that the second locking The tightening screw 33 is stable when it is in contact with the strut 32 .

The ends of the second locking screw 33 and the first locking screw 2313 are both provided with knurling, so as to increase the distance between the outer ends of the second locking screw 33 and the first locking screw 2313. friction force, so as to screw the second locking screw 33 and the first locking screw 2313 .

When the fixed clip 10 and the movable clip 20 need to be locked, adjust the first chuck 12 and the second chuck 23 to a suitable distance, put them on the cable tower, and press down the movable handle 21. At this time, the pylon is clamped, but when a larger clamping force needs to be applied to the pylon, the second locking screw 33 needs to be tightened to make the second locking screw 33 abut At one end of the strut 32, the strut 32 and the second locking screw 33 form a dead point to achieve the purpose of locking, and the sheath tube (not shown) is passed through a clamp (not shown in the figure). ) is clamped to the guide rail 22 to position and fix the protective sleeve, so that the installation position of the protective sleeve is accurate.

When the fixed clip 10 and the movable clip 20 need to be unlocked, the second locking screw 33 is rotated to release the dead-point state of the support rod 32 and the second locking screw 33, and then the second locking screw 33 is rotated. The auxiliary handle 112 is used to release the fixed handle 11 and the movable handle 21 to further adjust the distance between the first chuck 12 and the second chuck 23 to achieve the purpose of unlocking.

Compared with the prior art, the positioning device for installing the cable sheath provided by the present invention locks the fixed clip 10 and the movable clip 20 through the locking mechanism 30 . The fixing clip 10 includes a fixing handle 11 and a first clamping head 12 connected to one end of the fixing handle 11 . The movable clip 20 includes a movable handle 21 , a guide rail 22 arranged on the movable handle 21 , and a second chuck 23 arranged at one end of the guide rail 22 . The sliding rod 231 of the second chuck 23 can slide along the guide rail 22 to adjust the distance between the first chuck 12 and the first chuck 12 . And the sliding rod 231 can restrict the position of the second collet 23 by the first locking screw 2313 . When the fixed clip 10 and the movable clip 20 need to be locked, the second locking screw 33 in the locking mechanism 30 is tightened to abut the second locking screw 33 One end of the support rod 32 is closed so that the support rod 32 and the second locking screw 33 form a dead point to achieve the purpose of locking. The positioning device installed by the cable protective sleeve is easy to install, easy to use, and has a good locking effect, which improves the installation efficiency, makes the installation position accurate, and is convenient for workers to operate.

The above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements or improvements within the spirit of the present invention are all included within the scope of the claims of the present invention.

Claims (10)

1. A positioning device for installing a cable sheath, characterized in that: the positioning device for installing the cable sheath comprises a fixed clip, a movable clip connected to one side of the fixed clip, and a The locking mechanism between the fixed clip and the movable clip, the fixed clip includes a fixed handle, a first chuck connected to one end of the fixed handle, the movable clip includes a movable handle, and a A guide rail on the movable handle, a second collet located at one end of the guide rail, the first collet includes a connecting arm connected to the fixed handle, and a first arc hinged on one end of the connecting arm A splint, the second collet includes a sliding rod slidably connected to the guide rail, and a second arc-shaped splint hinged at one end of the sliding rod, the sliding rod includes a hinged second arc The sliding rod main body of the splint, a sliding mounting sleeve disposed on the free end of the sliding rod main body and sleeved on the guide rail, and a first locking screw screwed on the sliding mounting sleeve, the lock The tightening mechanism includes a spring arranged between the movable handle and the connecting arm, a strut arranged between the movable handle and the fixed handle, and a first screw connected to the end of the movable handle. Two locking screws, one end of the strut is accommodated in the movable handle and abuts with the second locking screw to limit the position of the strut. 2 . The positioning device for the installation of the cable protective sleeve according to claim 1 , wherein the fixed handle comprises a fixed handle main body, an auxiliary handle hinged on the fixed handle main body, and the auxiliary handle is hinged on the fixed handle main body. One side can abut with the strut. 3. The positioning device for the installation of the cable protective sleeve according to claim 1, wherein the first arc-shaped clamping plate comprises a first arc-shaped clamping plate main body, and one is arranged on the side of the first arc-shaped clamping plate main body. The first hinge seat on the wall. 4. The positioning device for the installation of the cable protective sleeve according to claim 1, wherein the second arc-shaped clamping plate comprises a second arc-shaped clamping plate main body, and one is arranged on the side of the second arc-shaped clamping plate main body. A second hinged seat on the wall. 5 . The positioning device for the installation of the cable sheath according to claim 1 , wherein knurling is provided on the ends of the second locking screw and the first locking screw. 6 . 6 . The positioning device for installing a cable sheath as claimed in claim 1 , wherein the extending direction of the spring and the extending direction of the strut are always parallel to each other. 7 . 7 . The positioning device for installing a cable sheath according to claim 1 , wherein the extending direction of the guide rail and the movable handle are perpendicular to each other. 8 . 8 . The positioning device for the installation of the cable protective sleeve according to claim 1 , wherein the contour of one end of the strut close to the second locking screw is in a straight line. 9 . 9 . The positioning device for the installation of the cable sheath according to claim 1 , wherein the guide rail comprises a guide rail body fixedly connected to the movable handle, and a limiter for setting the free end of the guide rail body. 10 . block, and two grooves respectively provided on the side surfaces of both sides of the guide rail body. 10. The positioning device for the installation of the cable protective sleeve according to claim 9, wherein the sliding installation sleeve comprises an installation sleeve main body, an installation hole provided on the installation sleeve main body, and two respectively A convex block is arranged on the main body of the mounting sleeve and in the mounting hole, and the convex block is accommodated in the groove.

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