CN213753930U

CN213753930U - Overspeed device tensioner is used in fireproof cable installation

Info

Publication number: CN213753930U
Application number: CN202022031623.9U
Authority: CN
Inventors: 张传龙
Original assignee: Nortel Cable Co ltd
Current assignee: Nortel Cable Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-07-20
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to the technical field of cable equipment, in particular to a tensioning device for installing a fireproof cable, which has simple structure and convenient operation, and comprises a base, two tensioning columns, a fixing part and a cable, wherein the two tensioning columns are respectively arranged at the left end and the right end of the upper wall of the base, the upper end of each tensioning column is provided with a stop block, the lower wall of the stop block is provided with a connecting column, the upper end of each tensioning column is provided with a connecting groove, the lower end of the connecting column is connected with the lower wall of the connecting groove through a one-way bearing, the upper walls of the opposite ends of the two stop blocks are respectively provided with a fixing screw rod, the fixing part comprises two connecting plates, the ends, close to each other, of the two connecting plates are movably connected through a first hinge, the ends, far away from each other ends are provided with a fixing hole, the left end and the right end of the cable are respectively wound on the side walls of the two tensioning columns and extend to the front end and the rear end of the base, the front end and the rear end of the upper wall of the base are respectively provided with a fixing clamping block, one end of the fixing clamping block is movably connected with the base through a second hinge, the other end is fixedly connected with the base through a fastening screw rod.

Description

Overspeed device tensioner is used in fireproof cable installation

Technical Field

The utility model relates to a cable equipment technical field specifically is a overspeed device tensioner is used in fireproof cable installation.

Background

The production of the cable generally comprises a series of processes such as rolling, wire drawing, stranding, insulation, armoring and the like. The cable has wide application in China, and has a large amount of applications in the aspects of electric power systems, information transmission systems, electrical equipment, electric instruments and the like, so that the production of the cable is already realized in batches, and along with the annual increase of the occurrence rate of electrical fire in the occurrence of fire, the use of the fireproof cable is gradually increased.

In our daily life to the installation of light current cable is most common, is used for security protection communication, electrical equipment and relevant light current transmission mostly, and among the cable installation, because of cable run is longer, it is difficult to take-up, after cable erection is fixed, the cable often can take place lax phenomenon, has the potential safety hazard, thereby need take over the tensioning to the cable, but, the overspeed device tensioner for installation of current power cable structure is complicated, difficult operation, provides a overspeed device tensioner for installation of fireproof cable for this reason.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a simple structure, convenient operation's overspeed device tensioner is used in fireproof cable installation.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a tensioning device for installation of fireproof cable, which comprises a base, two tensioning columns, a fixing part and a cable, wherein the number of the tensioning columns is two, and the two tensioning columns are respectively and fixedly arranged at the left end and the right end of the upper wall of the base, the upper ends of the tensioning columns are provided with a stop block matched with the cable, the lower wall center of the stop block is fixedly provided with a connecting column, the upper end center of the tensioning column is provided with a connecting groove matched with the connecting column, the lower end of the connecting column extends into the connecting groove, the lower end of the connecting column is fixedly connected with the lower wall inside the connecting groove through a one-way bearing, the rotating directions of the one-way bearings in the connecting grooves of the two tensioning columns are opposite, the upper walls of opposite ends of the stop blocks at the upper ends of the two tensioning columns are respectively and fixedly provided with a fixing screw, the fixing part is matched with the stop block, the fixing part comprises two connecting plates which are arranged left and right, one ends of the two connecting plates are movably connected through a first hinge, the ends, far away from each other, of the two connecting plates are respectively provided with a fixing hole matched with the fixing screw rod, the upper end of the fixing screw rod penetrates through the fixing hole, the upper end of the fixing screw rod is fixedly provided with a nut, the middle part of the cable is arranged between the two tensioning columns, the left end and the right end of the cable are respectively wound on the side walls of the two tensioning columns and then extend to the front end and the rear end of the base, the winding mode of the cable is matched with the rotating direction of the one-way bearing, the front end and the rear end of the upper wall of the base are respectively provided with a fixing clamping block matched with the cable, the fixing clamping block is in an omega shape, one end of the fixing clamping block is movably connected with the base through a second hinge, the upper side of the other end is provided with a fastening screw rod, the side end of the fixing clamping block is provided with a fastening through hole matched with the fastening screw rod, the fastening through holes penetrate through the upper end and the lower end of the fixing clamping block, the upper wall of the base is provided with a fastening groove matched with the fastening through hole, the inner walls of the fastening through hole and the fastening groove are provided with first internal threads matched with the fastening screw rod.

For the installation of this device of convenience, the utility model discloses an improvement has, and four angle departments of base all are provided with the mounting hole that runs through both ends about the base.

In order to prevent the too outstanding injury that causes of clamping screw, the utility model discloses an improvement has, the dog upper wall of clamping screw lower extreme be provided with mounting assorted fixed slot.

In order to make the tensioning post more firm, the utility model discloses an improvement has, and the material of base and tensioning post is the metal, and connected mode is the welding.

In order to make the result of use of this device better, the utility model discloses an improvement has, and both ends twine opposite direction on the lateral wall of two tensioning posts about the cable.

(III) advantageous effects

Compared with the prior art, the utility model provides a overspeed device tensioner is used in fireproof cable installation possesses following beneficial effect:

this overspeed device tensioner is used in fireproof cable installation, control two tensioning posts and can adjust the cable at front and back both ends respectively, make this device more practical, the dog is when the cable twines to the lateral wall of tensioning post, the winding process that can follow the cable rotates, thereby make the regulation of cable more convenient, two one-way bearings opposite in direction of rotation are behind the fixed dog of mounting, make two fixed stop can hinder each other, thereby make fixed stop more firm, thereby the better cable that blocks tensioning post lateral wall and the separation of tensioning post, first hinge between two connecting plates makes the mounting better adjust, thereby make the result of use better, fixed fixture block can the fixed cable, thereby make the regulation of cable more convenient.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a first schematic top view of the present invention;

fig. 3 is a second schematic top view of the present invention.

In the figure: 1. a base; 2. a tension column; 3. a stopper; 4. connecting columns; 5. connecting grooves; 6. a one-way bearing; 7. a cable; 8. a connecting plate; 9. a first hinge; 10. fixing the screw rod; 11. a nut; 12. fixing grooves; 13. fixing the fixture block; 14. a second hinge; 15. fastening a screw rod; 16. fastening through holes; 17. fastening the groove; 18. a fixing hole; 19. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a tensioning device for installation of fireproof cable, which comprises a base 1, two tensioning columns 2, a fixing part and a cable 7, wherein the number of the tensioning columns 2 is two, and the two tensioning columns are respectively and fixedly arranged at the left and right ends of the upper wall of the base 1, the upper end of the tensioning column 2 is provided with a stop block 3 matched with the cable 7, the lower wall center of the stop block 3 is fixedly provided with a connecting column 4, the upper end center of the tensioning column 2 is provided with a connecting groove 5 matched with the connecting column 4, the lower end of the connecting column 4 extends into the connecting groove 5, the lower end of the connecting column 4 is fixedly connected with the inner lower wall of the connecting groove 5 through a one-way bearing 6, the rotating directions of the one-way bearing 6 in the connecting groove 5 of the two tensioning columns 2 are opposite, the upper walls of the opposite ends of the stop block 3 at the upper ends of the two tensioning columns 2 are both fixedly provided with fixing screw rods 10, and the fixing part is matched with the stop block 3, the fixing part comprises two connecting plates 8, the two connecting plates 8 are arranged on the left and right sides, one ends of the two connecting plates 8 close to each other are movably connected through a first hinge 9, one ends of the two connecting plates 8 far away from each other are respectively provided with a fixing hole 18 matched with a fixing screw 10, the upper end of the fixing screw 10 penetrates through the fixing hole 18, the upper end of the fixing screw 10 is fixedly provided with a nut 11, the middle part of the cable 7 is arranged between the two tensioning columns 2, the left and right ends of the cable 7 are respectively wound on the side walls of the two tensioning columns 2 and then extend to the front and rear ends of the base 1, the winding mode of the cable 7 is matched with the rotating direction of the one-way bearing 6, the front and rear ends of the upper wall of the base 1 are respectively provided with a fixing fixture block 13 matched with the cable 7, the fixing fixture block 13 is in an omega shape, one end of the fixing fixture block 13 is movably connected with the base 1 through a second hinge 14, the upper side of the other end is provided with a fastening screw 15, the side end of the fixed fixture block 13 is provided with a fastening through hole 16 matched with the fastening screw 15, the fastening through hole 16 penetrates through the upper end and the lower end of the fixed fixture block 13, the upper wall of the base 1 is provided with a fastening groove 17 matched with the fastening through hole 16, and the inner walls of the fastening through hole 16 and the fastening groove 17 are both provided with first internal threads matched with the fastening screw 15.

It should also be noted that, four corners department of base 1 all is provided with the mounting hole 19 that runs through both ends about base 1, make things convenient for the installation of this device, the dog upper wall of clamping screw 10 lower extreme is provided with mounting assorted fixed slot 12, the injury that causes because of clamping screw 10 is too outstanding has been prevented, the material of base 1 and tensioning post 2 is the metal, and connected mode is the welding, make tensioning post 2 more firm, both ends winding opposite direction on the lateral wall of two tensioning posts 2 about cable 7, make the result of use of this device better.

When the tensioning device for installing the fireproof cable with the novel structure is used, the device is installed at the upper end of a supporting rod needing to support the cable 7, when the cable 7 is connected at the upper end of the supporting rod, the fastening screw 15 is firstly rotated to be far away from the fastening groove 17, then the fixing fixture block 13 is held by hands to rotate around the second hinge 14, the fixing fixture block 13 is opened, after the two fixing fixture blocks 13 are both opened, the fixing piece is taken down, namely the nut 11 is rotated to separate the fixing piece from the fastening screw 15, then the connecting plate 8 is lifted to separate the fixing hole 18 from the fastening screw 15, so that the fixing piece is disassembled, then the cable 7 transmitted from the upper end of the previous supporting rod is respectively wound by a circle between the two tensioning columns 2 and then extends to the next supporting rod, the winding direction of the cable 7 is matched with the rotating direction of the one-way bearing 6, in the winding process of the cable 7, the upper end stop block 3 can rotate along with the winding process of the cable 7 under the action of the one-way bearing 6, make the winding more convenient, the winding finishes the back, finely tune cable 7 of 1 upper end of base makes it be located and closes fixed fixture block 13 behind the lower extreme of fixed fixture block 13, then install the mounting in the upper end of two dog 3, because two one-way bearing 6's direction of rotation is opposite, so two dog 3 hinder each other, thereby make dog 3 more fixed, when cable 7 appears lax phenomenon, open fixed fixture block 13, then take-up cable 7, make unnecessary cable 7 be located between fixed fixture block 13 and the tensioning post 2, then close fixed fixture block 13, open the mounting, twine unnecessary cable 7 on the lateral wall of tensioning post 2, winding in-process dog 3 follows rotatoryly, after finishing the winding, install the mounting in the upper end of dog 3, the operation finishes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The tensioning device for installing the fireproof cable comprises a base (1), two tensioning columns (2), a fixing part and a cable (7), and is characterized in that the number of the tensioning columns (2) is two, the two tensioning columns are respectively and fixedly arranged at the left end and the right end of the upper wall of the base (1), a stop block (3) matched with the cable (7) is arranged at the upper end of each tensioning column (2), a connecting column (4) is fixedly arranged at the center of the lower wall of the stop block (3), a connecting groove (5) matched with the connecting column (4) is arranged at the center of the upper end of each tensioning column (2), the lower end of each connecting column (4) extends into the connecting groove (5), the lower end of each connecting column (4) is fixedly connected with the inner lower wall of the connecting groove (5) through a one-way bearing (6), the rotation directions of the one-way bearings (6) in the connecting grooves (5) of the two tensioning columns (2) are opposite, the upper walls of opposite ends of the check block (3) at the upper ends of the two tensioning columns (2) are fixedly provided with fixing screws (10), the fixing part is matched with the check block (3), the fixing part comprises two connecting plates (8), the two connecting plates (8) are arranged on the left and right sides, one ends, close to each other, of the two connecting plates (8) are movably connected through a first hinge (9), one ends, far away from each other, of the two connecting plates (8) are respectively provided with fixing holes (18) matched with the fixing screws (10), the upper ends of the fixing screws (10) penetrate through the fixing holes (18), the upper ends of the fixing screws (10) are fixedly provided with nuts (11), the middle part of the cable (7) is arranged between the two tensioning columns (2), and the left and right ends of the cable (7) respectively stretch to the front end and the rear end of the base (1) after being wound on the side walls of the two tensioning columns (2), the winding mode of the cable (7) is matched with the rotating direction of the one-way bearing (6), the front end and the rear end of the upper wall of the base (1) are respectively provided with a fixed clamping block (13) matched with the cable (7), the fixed clamping block (13) is in an omega shape, one end of the fixed clamping block (13) is movably connected with the base (1) through a second hinge (14), a fastening screw rod (15) is arranged on the upper side of the other end, a fastening through hole (16) matched with the fastening screw rod (15) is arranged at the side end of the fixed clamping block (13), the fastening through hole (16) penetrates through the upper end and the lower end of the fixed clamping block (13), the upper wall of the base (1) is provided with a fastening groove (17) matched with the fastening through hole (16), the inner walls of the fastening through hole (16) and the fastening groove (17) are provided with first internal threads matched with the fastening screw rod (15).

2. The tensioning device for installing the fireproof cable according to claim 1, wherein the four corners of the base (1) are provided with installation holes (19) penetrating through the upper and lower ends of the base (1).

3. The tensioning device for installing the fireproof cable according to claim 1, wherein the upper wall of the stopper (3) at the lower end of the fixing screw (10) is provided with a fixing groove (12) matched with the fixing piece.

4. The tensioning device for installing the fireproof cable according to claim 1, wherein the base (1) and the tensioning column (2) are made of metal and are connected by welding.

5. A tensioning device for installation of a fire-resistant cable according to claim 1, characterized in that the left and right ends of the cable (7) are wound in opposite directions on the side walls of the two tensioning columns (2).