CN210577660U

CN210577660U - PW wire clamp

Info

Publication number: CN210577660U
Application number: CN201921521230.7U
Authority: CN
Inventors: 吴超; 王帅
Original assignee: Luoyang Yonggu Electric Equipment Co Ltd
Current assignee: Luoyang Yonggu Electric Equipment Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-19
Anticipated expiration: 2029-09-12

Abstract

A PW wire clamp comprises a fixedly arranged bottom plate, wherein a locking mechanism, a supporting seat and two first stand columns are fixedly arranged on the bottom plate; a first through groove is formed in the upper portion of the supporting seat, a third through groove is formed in the bottom of the first through groove, a pressing block is movably arranged in the first through groove, a second through groove is formed in the lower surface of the pressing block, and a channel for allowing the PW wire to penetrate through is formed by the second through groove and the third through groove in a surrounding mode; a rotating shaft is rotatably connected between the two first stand columns, the rotating shaft is fixedly connected with two pressing strips, and the pressing strips press the pressing blocks onto the supporting seat in the rotating process along with the rotating shaft; the locking mechanism is used for locking the pressing strip. The utility model provides a PW line clamp, installation and dismantlement process are simple and easy to it is good to stability, long service life.

Description

PW wire clamp

Technical Field

The utility model relates to an electric railway technical field, specific PW fastener that says so.

Background

The electric railway is a modern railway taking an electric locomotive as train traction power. The overhead line system is an important task of directly transmitting electric energy obtained from a traction substation to an electric locomotive and is regarded as an artery of an electrified drop line; therefore, the command and the working state of the overhead line system directly affect the transportation capacity of the electrified railway. The protection wire (PW line) is used as an important component of an electrified railway contact net, the PW line needs to be supported or suspended by a wire clamp, and the supporting wire clamp plays a role in fixing and supporting a protection wire in the contact net, so that the quality of the supporting wire clamp directly influences the protection wire. Although the supporting wire clamp used at present has a supporting function, the supporting wire clamp directly influences contact with a wire, stress concentration is easily generated, the wire is damaged, maintenance cost is improved, the supporting wire clamp is basically directly fixed by a bolt, and clamping is unstable.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies in the prior art, the utility model provides a PW wire clamp, installation and dismantlement process are simple and easy to it is good to stabilize, long service life.

In order to achieve the above object, the utility model discloses a concrete scheme does: a PW wire clamp comprises a fixedly arranged bottom plate, wherein a locking mechanism, a supporting seat and two first stand columns are fixedly arranged on the bottom plate; a first through groove is formed in the upper portion of the supporting seat, a third through groove is formed in the bottom of the first through groove, a pressing block is movably arranged in the first through groove, a second through groove is formed in the lower surface of the pressing block, and a channel for allowing the PW wire to penetrate through is formed by the second through groove and the third through groove in a surrounding mode; a rotating shaft is rotatably connected between the two first stand columns, the rotating shaft is fixedly connected with two pressing strips, and the pressing strips press the pressing blocks onto the supporting seat in the rotating process along with the rotating shaft; the locking mechanism is used for locking the pressing strip.

As a preferred scheme, an upper gasket is fixedly arranged in the second through groove, and a lower gasket is fixedly arranged in the third through groove.

As a preferred scheme, the compressing block is fixedly connected with a plurality of guide strips extending downwards, and the bottom of the first through groove is provided with blind holes corresponding to the guide strips.

As a preferred scheme, two ends of the rotating shaft penetrate out of the two first upright posts respectively, and two limiting blocks are fixedly connected to the two ends of the rotating shaft respectively.

As an optimal scheme, the locking mechanism comprises two second stand columns and a locking shaft, the second stand columns are fixedly arranged on the bottom plate, first through holes are formed in the second stand columns, second through holes are formed in the pressing strips, and the locking shaft penetrates through the first through holes and the second through holes to lock the pressing strips.

Preferably, both ends of the locking shaft are locked by a locking nut.

Preferably, the device further comprises a pressing plate detachably connected with the pressing strip.

Preferably, one side wall of the pressing plate is provided with an insertion hole corresponding to the pressing strip.

Preferably, a plurality of anti-slip protrusions are fixedly arranged on the surface of the pressing plate.

Has the advantages that: the utility model discloses do not use fasteners such as bolt, the installation is simple swift more, in order to compress tightly the compact heap more laborsavingly to the supporting seat, can increase the length that compresses tightly the strip and with the extension arm of force, can also press downwards through pedal mode when necessary and move the strip that compresses tightly. And the locking mechanism realizes locking and pressing the strip by matching the locking shaft with the second upright column without using parts such as bolts, thereby effectively avoiding the falling off of the wire clamp caused by the loosening of the bolts after long-term use, improving the stability of the wire clamp, prolonging the service life and being simple and easy to install and disassemble.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is a structural sectional view of the pressing plate.

Description of the drawings: 1-bottom plate, 2-fastening bolt, 3-first upright post, 4-limiting block, 5-pressing strip, 6-supporting seat, 7-first through groove, 8-guiding strip, 9-pressing block, 10-upper gasket, 11-second through groove, 12-second upright post, 13-locking shaft, 14-third through groove, 15-lower gasket, 16-locking nut, 17-rotating shaft, 18-pressing plate, 19-jack and 20-anti-slip bulge.

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 to 3, a PW wire clip includes a bottom plate 1 fixedly disposed, and a locking mechanism, a supporting seat 6 and two first columns 3 are fixedly disposed on the bottom plate 1.

First logical groove 7 has been seted up on the upper portion of supporting seat 6, and the third logical groove 14 has been seted up to the bottom that first logical groove 7, and the activity is provided with compact heap 9 in the first logical groove 7, and the logical groove 11 of second has been seted up to the lower surface of compact heap 9, and the passageway that is used for wearing to establish the PW line is enclosed out to the logical groove 11 of second and third through groove 14.

Rotate between two first stands 3 and be connected with pivot 17, two compressing strip 5 of pivot 17 fixedly connected with compress tightly strip 5 along with pivot 17 rotation in-process compresses tightly compact heap 9 to supporting seat 6.

The locking mechanism is used for locking the pressing strip 5.

When the device is used, firstly, the two pressing strips 5 are rotated to be separated from the pressing blocks 9, then the pressing blocks 9 are taken down, then the PW wire is placed into the third through groove 14, then the pressing blocks 9 are placed into the first through groove 7 again, the pressing blocks 9 are pressed by the rotating pressing strips 5 through the pressing strips 5, at the moment, the lower half portion of the PW wire is located in the third through groove 14, the upper half portion of the PW wire is located in the second through groove 11 and is clamped by the pressing blocks 9 and the supporting seat 6, and finally the pressing strips 5 are locked through the locking mechanism, so that the PW wire can be fixed.

The utility model discloses do not use fasteners such as bolt, the installation is simple swift more, in order to compress tightly supporting seat 6 with compact heap 9 laborsavingly more, can increase the length that compresses tightly strip 5 and with the extension arm of force, can also push down through pedal mode when necessary and compress tightly strip 5.

Further, an upper gasket 10 is fixedly arranged in the second through groove 11, and a lower gasket 15 is fixedly arranged in the third through groove 14. Go up gasket 10 and lower gasket 15 and be used for avoiding PW line and compact heap 9 and supporting seat 6 direct contact, avoid the compact heap 9 and the supporting seat 6 wearing and tearing PW line of stereoplasm, go up gasket 10 and lower gasket 15 and can select the texture harder while have the material of stronger frictional force, for example the stereoplasm rubber.

Further, the compact heap 9 fixedly connected with a plurality of downwardly extending's gib block 8, the blind hole corresponding with gib block 8 has been seted up to the bottom of first logical groove 7. When putting into first logical groove 7 with compact heap 9, correspond the gib block 8 and insert the blind hole in, can play the effect of direction to compact heap 9, avoid compact heap 9 to produce lateral deviation.

Furthermore, two ends of the rotating shaft 17 penetrate through the two first upright posts 3 respectively, and two ends of the rotating shaft 17 are fixedly connected with a limiting block 4 respectively. The limiting blocks 4 are used for preventing the rotating shaft 17 from falling off, when the rotating shaft 17 is machined, the rotating shaft 17 is firstly penetrated, and then the two limiting blocks 4 are welded to two ends of the rotating shaft 17.

Further, locking mechanism includes two second stands 12 and a locking axle 13, and second stand 12 is fixed to be set up on bottom plate 1, has seted up first through-hole on the second stand 12, has seted up the second through-hole on compressing tightly strip 5, and locking axle 13 passes first through-hole and second through-hole and will compress tightly strip 5 locking. The locking mechanism realizes locking of the pressing strip 5 by matching of the locking shaft 13 and the second upright post 12, components such as bolts are not needed, the phenomenon that the wire clamp falls off due to loosening of the bolts after long-term use can be effectively avoided, the stability of the wire clamp is improved, the service life is prolonged, and the installation and disassembly processes are simple and easy.

Further, both ends of the locking shaft 13 are respectively locked by a locking nut 16, and correspondingly, both ends of the locking shaft 13 are respectively provided with threads matched with the locking nuts 16. The lock nut 16 is used to improve the stability of the locking shaft 13, and since the locking shaft 13 has already completed locking the pressing bar 5, the lock nut 16 is an unnecessary component, and may be installed or not installed according to actual needs.

Further, the device also comprises a pressing plate 18 which is detachably connected with the pressing strip 5. The pressing plate 18 is used for increasing the length and the stress area of the pressing strip 5, and the pressing block 9 is more conveniently pressed on the supporting seat 6.

Furthermore, one side wall of the pressing plate 18 is provided with an insertion hole 19 corresponding to the pressing strip 5. In the process of installing the wire clamp, the pressing strip 5 is correspondingly inserted into the insertion hole 19, then the pressing strip 5 is driven to rotate by moving the pressing plate 19, the pressing block 9 is pressed onto the supporting seat 6 by pressing the pressing plate 19 downwards, and after the installation is finished, the pressing plate 19 is taken down.

Further, a plurality of anti-slip protrusions 20 are fixedly provided on the surface of the pressing plate 18. The anti-slip protrusion 20 is used to prevent the release of the hand during the pressing of the pressing plate 19.

Further, the bottom plate 1 is fixed on the mounting platform through a plurality of fastening bolts 2. The installation platform is different under different installation environments and is determined according to actual conditions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a PW wire clamp which characterized in that: the device comprises a bottom plate (1) which is fixedly arranged, wherein a locking mechanism, a supporting seat (6) and two first upright posts (3) are fixedly arranged on the bottom plate (1);

a first through groove (7) is formed in the upper portion of the supporting seat (6), a third through groove (14) is formed in the bottom of the first through groove (7), a pressing block (9) is movably arranged in the first through groove (7), a second through groove (11) is formed in the lower surface of the pressing block (9), and a channel for allowing the PW line to penetrate through is formed by the second through groove (11) and the third through groove (14) in a surrounding mode;

a rotating shaft (17) is rotatably connected between the two first upright columns (3), the rotating shaft (17) is fixedly connected with two pressing strips (5), and the pressing blocks (9) are pressed onto the supporting seat (6) when the pressing strips (5) rotate along with the rotating shaft (17);

the locking mechanism is used for locking the pressing strip (5).

2. The PW wire clamp of claim 1, wherein: an upper gasket (10) is fixedly arranged in the second through groove (11), and a lower gasket (15) is fixedly arranged in the third through groove (14).

3. The PW wire clamp of claim 1, wherein: the pressing block (9) is fixedly connected with a plurality of guide strips (8) extending downwards, and blind holes corresponding to the guide strips (8) are formed in the bottom of the first through groove (7).

4. The PW wire clamp of claim 1, wherein: two first stand (3) are worn out respectively at the both ends of pivot (17) to each fixedly connected with stopper (4) in the both ends of pivot (17).

5. The PW wire clamp of claim 1, wherein: the locking mechanism comprises two second stand columns (12) and a locking shaft (13), the second stand columns (12) are fixedly arranged on the bottom plate (1), first through holes are formed in the second stand columns (12), second through holes are formed in the pressing strips (5), and the locking shaft (13) penetrates through the first through holes and the second through holes to lock the pressing strips (5).

6. The PW wire clamp of claim 5, wherein: the two ends of the locking shaft (13) are locked by a locking nut (16).

7. The PW wire clamp of claim 1, wherein: the wire clamp further comprises a pressing plate (18) detachably connected with the pressing strip (5).

8. The PW wire clamp of claim 7, wherein: one side wall of the pressing plate (18) is provided with a jack (19) corresponding to the pressing strip (5).

9. The PW wire clamp of claim 7, wherein: the surface of the pressing plate (18) is fixedly provided with a plurality of anti-skid protrusions (20).