CN220457023U - Guiding device for cable installation - Google Patents

Abstract

The application relates to a guiding device for cable installation relates to the technical field of cable laying apparatus, including traction head and clamp, the traction head includes main part and barrel, and main part and barrel rigid coupling, the external diameter looks adaptation of barrel and cable, the one end of barrel are equipped with the elasticity clamping jaw towards barrel outside expansion, are equipped with locking tooth on the side of elasticity clamping jaw towards barrel inside, clamp locates on the traction head, and the clamp can follow the axis direction of barrel and remove to top elasticity clamping jaw to shrinkage state. After the cable is inserted into the barrel, the pressing piece is controlled to move along the axis direction of the barrel, the elastic clamping jaw is pushed, the elastic clamping jaw is contracted, the cable is clamped tightly by the locking teeth, so that the cable and the traction head are fixedly connected together, and then the traction head is pulled and pulled by the traction equipment, so that the cable can be pulled, and the application range is wide, and the operation is convenient.

Description

Guiding device for cable installation

Technical Field

The present application relates to the field of cabling instruments, and in particular to a guiding device for cable installation.

Background

In the process that the cable was laid especially at the in-process that underground pipe gallery Shi Na arranged, need press from both sides the fastening through guiding device and fix the one end at the cable, reuse haulage equipment pulls guiding device to drag the cable and remove, make the cable pass underground pipe gallery, among the relevant technique, the guiding device who uses is the rope, when need pull the cable and pull, bind the rope in the one end of cable, the rethread haulage equipment pulls the rope, however the fixed connection ability of rope and cable is limited, the condition that the rope drops from the cable tip often can appear, the connection reliability is low.

In order to solve the problems, the guiding device with the following structure is adopted in the related art to fixedly connect the cable, the guiding device comprises a pressing sleeve and a traction head, the pressing sleeve is in threaded connection with the traction head, when the cable is required to be pulled, the pressing sleeve is sleeved at the end part of the cable, then the pressing sleeve is extruded through a hydraulic clamp, the pressing sleeve is deformed and is firmly connected with the cable, so that the mechanical connection strength of the guiding device and the cable is greatly improved, and the traction head is pulled through traction equipment during traction. However, the guide device with the structure can improve the connection strength with the cable, but the guide device is in compression joint by means of the hydraulic pliers when in use, so that the use limitation is large, the hydraulic pliers are large in size and heavy in weight, the guide device is inconvenient to carry, and great inconvenience is brought to the cable laying operation.

Disclosure of Invention

The utility model provides a guiding device for cable installation for solve guiding device among the prior art and use the restriction great, bring great inconvenient problem for the wiring operation of cable.

The application provides a guiding device for cable installation adopts following technical scheme:

the utility model provides a guiding device for cable installation, includes traction head and compresses tightly the piece, the traction head includes main part and barrel, the main part with barrel rigid coupling, the internal diameter of barrel and the external diameter looks adaptation of cable, the one end of barrel is equipped with the elastic clamping jaw of expanding towards the barrel outside, be equipped with locking tooth on the side of elastic clamping jaw towards the barrel inside, it locates to compress tightly the piece on the traction head, the compression piece can be followed the axis direction of barrel is removed, and pushes away elastic clamping jaw reaches shrinkage state.

Through adopting above-mentioned technical scheme, after the cable inserts the barrel inside, through controlling the axial direction removal of compressing tightly the piece along the barrel to push away the elastic clamping jaw, make the elastic clamping jaw shrink, the rethread locking tooth is with cable meshing hugging tightly, thereby can be in the same place cable and traction head fixed connection, therefore application scope is wide, convenient operation.

Optionally, the device further comprises a protection plate, wherein the protection plate is fixedly arranged on the side surface, facing the outer side of the cylinder, of the elastic clamping jaw.

Through adopting above-mentioned technical scheme, protect elastic clamping jaw through the guard plate, can avoid compressing tightly the piece and lead to the fact wearing and tearing to elastic clamping jaw.

Optionally, the periphery of barrel is equipped with first external screw thread, the compress tightly the piece and be the tube-shape, the inner peripheral wall of compressing tightly the piece is equipped with first internal screw thread, first internal screw thread with first external screw thread spiro union.

Through adopting above-mentioned technical scheme, through first internal thread and first external screw thread interact, can drive and compress tightly the piece and remove, not only simple structure, convenient to use, and have better locking effect.

Optionally, the one end that is close to of the clamp piece elastic clamping jaw be equipped with can with the chamfer of guard plate butt, the inner periphery of clamp piece be equipped with can with the spacing face of guard plate butt.

Through adopting above-mentioned technical scheme, can increase the area of contact who compresses tightly piece and guard plate through the chamfer, avoid compressing tightly the too concentrated of stress when piece and the contact of guard plate and lead to the guard plate surface to produce the scraping damage.

Optionally, still include actuating mechanism and running roller, compress tightly the piece and be the tube-shape, compress tightly the piece sliding sleeve and locate the barrel outside, actuating mechanism locates on the traction head, and with compress tightly the piece and be connected, actuating mechanism is used for the drive compress tightly the piece is followed the axis direction of barrel removes, the running roller is rotated and is located compress tightly on the piece, the periphery wall of running roller can with guard plate roll butt.

Through adopting above-mentioned technical scheme, act on the guard plate through the running roller, consequently can effectively reduce the frictional force when running roller and guard plate contact to reduce the resistance, play laborsaving effect, and reducible wearing and tearing, increase of service life.

Optionally, the periphery wall of barrel is equipped with the guide rail parallel with the barrel axis, the inside wall of compressing tightly the piece is equipped with the spout, compress tightly the piece and pass through spout slip cap to be located the guide rail outside.

Through adopting above-mentioned technical scheme, compress tightly the piece and locate the guide rail outside through spout sliding sleeve for compress tightly the piece and only can follow the axis direction removal of barrel, thereby play good guide effect.

Optionally, the actuating mechanism includes casing, worm and swivel sleeve, the casing set firmly in on the main part, swivel sleeve rotates and locates in the casing, swivel sleeve is equipped with the second internal thread, the peripheral wall of compressing tightly the piece is equipped with the second external screw thread, the second external screw thread with second internal screw thread spiro union, swivel sleeve's periphery is equipped with the worm wheel tooth, the worm rotates and locates on the casing, and with the worm wheel tooth meshes.

Through adopting above-mentioned technical scheme, can drive the rotation cover through rotating the worm and rotate, and then drive and compress tightly the axis direction removal of piece along the barrel, this transmission structure not only convenient operation has higher transmission ratio moreover, can play showing laborsaving effect.

Optionally, the driving mechanism further includes a pair of bearings, the pair of bearings are disposed in the housing and disposed at two ends of the rotating sleeve along an axial direction of the cylinder, and the pair of bearings respectively abuts against two end surfaces of the rotating sleeve.

Through adopting above-mentioned technical scheme, through a pair of bearing respectively with the both ends face butt of swivel boot to reduce the frictional force between the terminal surface of swivel boot and the shells inner wall by a wide margin.

In summary, the present application includes at least one of the following beneficial technical effects: after the cable inserts the barrel, through control compressing tightly the piece and remove along the axis direction of barrel, and push away the elasticity clamping jaw, make elasticity clamping jaw shrink, rethread locking tooth is with cable gripping, thereby can be in the same place cable and haulage head fixed connection, pull the haulage head through haulage equipment and pull, can realize the traction to the cable afterwards, the guiding device that is used for cable installation of this application carries out fastening connection with the cable, through manual operation compressing tightly the piece can, need not to press with the help of hydraulic tongs and carry out the crimping, therefore application scope is wide, convenient operation can alleviate staff's intensity of labour to a certain extent, improve the laying work efficiency of cable.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present application;

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

FIG. 3 is a schematic structural diagram of embodiment 2 of the present application;

FIG. 4 is a longitudinal cross-sectional view of FIG. 3;

FIG. 5 is an exploded view of example 2 of the present application;

fig. 6 is a transverse cross-sectional view of fig. 3.

In the drawing the view of the figure,

10. a traction head; 11. a body member; 111. a traction ring; 12. a cylinder; 121. an elastic clamping jaw; 1211. locking teeth; 122. a first external thread; 123. a guide rail;

20. a pressing member; 21. a first internal thread; 22. anti-skid lines; 23. chamfering; 24. a limiting surface; 25. a chute; 26. a second external thread; 30. a protection plate;

40. a driving mechanism; 41. a housing; 42. a worm; 421. a sleeve; 43. a rotating sleeve; 431. a second internal thread; 432. worm gear teeth; 44. a bearing; 50. and a roller.

Detailed Description

The present application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a guiding device for cable installation.

Example 1

Referring to fig. 1 and 2, a guiding device for installing a cable includes a traction head 10, a compressing member 20 and a protection plate 30, the traction head 10 includes a main body member 11 and a barrel 12, the main body member 11 is fixedly connected with the barrel 12, an inner diameter of the barrel 12 is adapted to an outer diameter of the cable, more specifically, the inner diameter of the barrel 12 may be slightly larger than the outer diameter of the cable, so that an end portion of the cable to be drawn can be inserted into the barrel 12, one end of the barrel 12 is provided with an elastic clamping jaw 121 expanding toward an outer side of the barrel 12, the elastic clamping jaw 121 may be arranged in 3-6 pieces and uniformly distributed along a circumferential direction of the barrel 12, and a side surface of the elastic clamping jaw 121 facing the interior of the barrel 12 is provided with locking teeth 1211.

The compressing element 20 is arranged on the traction head 10, the compressing element 20 can move along the axial direction of the barrel 12 and pushes the elastic clamping jaw 121 to a contracted state, after a cable is inserted into the barrel 12, the compressing element 20 is controlled to move along the axial direction of the barrel 12 and push the elastic clamping jaw 121, so that the elastic clamping jaw 121 contracts, the cable is clamped tightly by the locking teeth 1211, the cable is fixedly connected with the traction head 10, and then the traction head 10 is pulled by traction equipment, so that the cable can be pulled to be paved, the traction equipment can conveniently pull the traction head 10, and the traction ring 111 connected with the traction equipment can be arranged on the main body element 11.

Referring to fig. 2, the specific connection relationship between the pressing member 20 and the traction head 10 is as follows: the outer periphery of the cylinder 12 is provided with a first external thread 122, the compressing member 20 is cylindrical, the inner peripheral wall of the compressing member 20 is provided with a first internal thread 21, the first internal thread 21 is in threaded connection with the first external thread 122, the compressing member 20 can be controlled to move along the axial direction of the cylinder 12 by screwing the compressing member 20, and anti-skid threads 22 can be arranged on the outer peripheral wall of the compressing member 20 so as to facilitate screwing the compressing member 20.

Referring to fig. 1 and 2, the protection plate 30 is fixedly arranged on the side surface of the elastic clamping jaw 121 facing the outer side of the cylinder 12, when the pressing piece 20 moves along the axial direction of the cylinder 12 and pushes the elastic clamping jaw 121, the pressing piece 20 can generate larger friction with the elastic clamping jaw 121, so that the elastic clamping jaw 121 is worn out, the elastic clamping jaw 121 is protected by the protection plate 30, the elastic clamping jaw 121 is prevented from being worn by the pressing piece 20, and the protection plate 30 can be made of metal materials, so that a better wear-resistant effect is achieved.

The one end that is close to elastic clamping jaw 121 of compact piece 20 is equipped with the chamfer 23 that can with guard plate 30 butt, the inner periphery of compact piece 20 is equipped with the spacing face 24 that can with guard plate 30 butt, can increase the area of contact of compact piece 20 and guard plate 30 through chamfer 23, avoid compact piece 20 and guard plate 30 contact time stress too concentrate and lead to guard plate 30 surface to produce the scraping damage, spacing face 24 can set up to have the curved surface of certain tapering for compact piece 20 moves when pushing elastic clamping jaw 121 along the axis direction of barrel 12, elastic clamping jaw 121 can be born gradually the atress and take place deformation shrink, avoid elastic clamping jaw 121 to take place the rupture.

The implementation principle of the guiding device for cable installation in this embodiment is as follows: when the cable is required to be pulled, one end of the cable is inserted into the cylinder 12, the pressing piece 20 is screwed to move towards the elastic clamping jaw 121, the elastic clamping jaw 121 is contracted by the pressure action of the limiting surface 24 on the protection plate 30, the cable is clamped tightly by the locking teeth 1211, the cable and the pulling head 10 are fixedly connected together, and the pulling head 10 is pulled and pulled by the connection of the pulling equipment and the pulling ring 111.

Example 2

Referring to fig. 3 and 4, a guiding device for cable installation is different from embodiment 1 in that the guiding device further comprises a driving mechanism 40 and a roller 50, the compressing member 20 is cylindrical, the compressing member 20 is slidably sleeved outside the cylinder 12, more specifically, a guide rail 123 parallel to the axis of the cylinder 12 is arranged on the outer peripheral wall of the cylinder 12, a chute 25 is arranged on the inner side wall of the compressing member 20, and the compressing member 20 is slidably sleeved outside the guide rail 123 through the chute 25, so that the compressing member 20 can only move along the axis direction of the cylinder 12, and the compressing member 20 is prevented from rotating relative to the cylinder 12.

Referring to fig. 5 and 6, a driving mechanism 40 is provided on the traction head 10 and connected to the pressing member 20, the driving mechanism 40 is used for driving the pressing member 20 to move along the axial direction of the cylinder 12, a roller 50 is rotatably provided on the pressing member 20 and located in the chute 25, and the outer peripheral wall of the roller 50 can be in rolling contact with the protection plate 30.

After the cable is inserted into the barrel 12, the driving mechanism 40 drives the pressing piece 20 to move towards the elastic clamping jaw 121, the roller 50 extrudes the protection plate 30 to shrink the elastic clamping jaw 121, the locking teeth 1211 tightly clamp the cable, the cable and the traction head 10 are fixedly connected together, and the traction head 10 is pulled by the traction equipment. The roller 50 acts on the protection plate 30, so that the friction force between the roller 50 and the protection plate 30 can be effectively reduced, the resistance is reduced, the labor-saving effect is achieved, the abrasion can be reduced, and the service life is prolonged.

Referring to fig. 4 and 5, the driving mechanism 40 includes a housing 41, a worm 42, a rotating sleeve 43, and a pair of bearings 44, the housing 41 is fixedly provided on the main body member 11, the rotating sleeve 43 is rotatably provided in the housing 41, the rotating sleeve 43 is provided with a second internal thread 431, the outer peripheral wall of the pressing member 20 is provided with a second external thread 26, the second external thread 26 is screwed with the second internal thread 431, the outer peripheral portion of the rotating sleeve 43 is provided with worm gear teeth 432, and the worm 42 is rotatably provided on the housing 41 and is meshed with the worm gear teeth 432.

When the pressing member 20 needs to be driven to move along the axial direction of the cylinder 12, the worm 42 is rotated, the rotating sleeve 43 is driven to rotate under the interaction of the worm 42 and the worm gear 432, and then the pressing member 20 is driven to move along the axial direction of the cylinder 12 under the interaction of the second external thread 26 and the second internal thread 431. Sleeve 421 can be arranged at one end of worm 42, when worm 42 needs to be rotated, a crow bar can be used to penetrate into sleeve 421, and worm 42 can be rotated by the crow bar, so that a labor-saving effect can be achieved.

Since the rotating sleeve 43 receives a large reaction force in the axial direction of the rotating sleeve 43 when the pressing member 20 is driven to move in the axial direction of the cylinder 12, in order to avoid a large friction between the end surface of the rotating sleeve 43 and the inner wall of the housing 41, a pair of bearings 44 are provided in the housing 41 and are provided at both ends of the rotating sleeve 43 in the axial direction of the cylinder 12, and the pair of bearings 44 are respectively abutted with both end surfaces of the rotating sleeve 43, thereby greatly reducing the friction between the end surface of the rotating sleeve 43 and the inner wall of the housing 41.

The implementation principle of the guiding device for cable installation in this embodiment is as follows: when the cable is required to be pulled, one end of the cable is inserted into the cylinder 12, the worm 42 is rotated, the rotating sleeve 43 is driven to rotate by the worm 42, the pressing piece 20 is driven to move along the axial direction of the cylinder 12 by the rotating sleeve 43, the pressing piece 20 moves towards the elastic clamping jaw 121, the protective plate 30 is extruded by the roller 50, the elastic clamping jaw 121 is contracted, the cable is clamped tightly by the locking teeth 1211, the cable and the traction head 10 are fixedly connected, and the traction head 10 is pulled by the traction equipment.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A guiding device for cable installation, characterized in that, including traction head (10) and clamp piece (20), traction head (10) are including main part (11) and barrel (12), main part (11) with barrel (12) rigid coupling, the internal diameter of barrel (12) and the external diameter looks adaptation of cable, the one end of barrel (12) is equipped with elastic clamping jaw (121) that expand towards barrel (12) outside, be equipped with locking tooth (1211) on the side of elastic clamping jaw (121) towards barrel (12) inside, clamp piece (20) are located on traction head (10), clamp piece (20) can be followed the axis direction of barrel (12) is removed, and pushes away elastic clamping jaw (121) to the shrink state.

2. The guiding device for cable installation according to claim 1, further comprising a protection plate (30), the protection plate (30) being fixedly arranged on the side of the elastic clamping jaw (121) facing the outside of the cylinder (12).

3. The guide device for cable installation according to claim 1, wherein the outer peripheral portion of the cylinder (12) is provided with a first external thread (122), the pressing member (20) is cylindrical, the inner peripheral wall of the pressing member (20) is provided with a first internal thread (21), and the first internal thread (21) is screwed with the first external thread (122).

4. Guide device for cable installation according to claim 2, characterized in that the end of the hold-down element (20) close to the elastic clamping jaw (121) is provided with a chamfer (23) which can be brought into abutment with the protection plate (30), the inner periphery of the hold-down element (20) being provided with a limiting surface (24) which can be brought into abutment with the protection plate (30).

5. The guiding device for cable installation according to claim 2, further comprising a driving mechanism (40) and a roller (50), wherein the pressing member (20) is cylindrical, the pressing member (20) is slidably sleeved on the outer side of the cylinder (12), the driving mechanism (40) is arranged on the traction head (10) and connected with the pressing member (20), the driving mechanism (40) is used for driving the pressing member (20) to move along the axis direction of the cylinder (12), the roller (50) is rotatably arranged on the pressing member (20), and the peripheral wall of the roller (50) can be in rolling abutting connection with the protection plate (30).

6. The guiding device for cable installation according to claim 5, wherein a guide rail (123) parallel to the axis of the barrel (12) is provided on the outer peripheral wall of the barrel (12), a sliding groove (25) is provided on the inner side wall of the pressing member (20), and the pressing member (20) is slidably sleeved on the outer side of the guide rail (123) through the sliding groove (25).

7. The guiding device for cable installation according to claim 5, wherein the driving mechanism (40) comprises a housing (41), a worm (42) and a rotating sleeve (43), the housing (41) is fixedly arranged on the main body member (11), the rotating sleeve (43) is rotatably arranged in the housing (41), the rotating sleeve (43) is provided with a second internal thread (431), the outer circumferential wall of the pressing member (20) is provided with a second external thread (26), the second external thread (26) is in threaded connection with the second internal thread (431), the outer circumferential part of the rotating sleeve (43) is provided with worm gear teeth (432), and the worm (42) is rotatably arranged on the housing (41) and is meshed with the worm gear teeth (432).

8. The guide device for cable installation according to claim 7, wherein the drive mechanism (40) further includes a pair of bearings (44), the pair of bearings (44) being provided in the housing (41) and being provided at both ends of the rotating sleeve (43) in the axial direction of the cylinder (12), the pair of bearings (44) being respectively abutted against both end surfaces of the rotating sleeve (43).