CN212976552U

CN212976552U - Pay-off straightener for contact line of electrified railway contact network

Info

Publication number: CN212976552U
Application number: CN202021876414.8U
Authority: CN
Inventors: 赵宇飞; 陈华杰; 刘国勇; 张硕
Original assignee: Electricity Branch Of Zhengzhou Zhongyuan Railway Engineering Co ltd
Current assignee: Electricity Branch Of Zhengzhou Zhongyuan Railway Engineering Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-16
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses an electric railway contact net unwrapping wire straightener for contact wire, the on-line screen storage device comprises a base, the upper end both sides of base all are provided with spacing guiding mechanism, and the department has seted up the spout in the middle of the upper end of base, the inside of spout is provided with the slider, the top of slider is provided with two horizontal parallel distribution's first gyro wheel, the axle center department of first gyro wheel all runs through and is provided with first pivot, and first gyro wheel is connected with the slider through first pivot. The utility model discloses a spacing guiding mechanism who sets up carries out the lateral wall to the contact line spacing, and the aligning that compresses tightly of the first gyro wheel of cooperation and second gyro wheel realizes the spacing direction of omnidirectional when aligning the contact line unwrapping wire, compresses tightly through the synchronous displacement adjustment of the first gyro wheel of solitary threaded rod control simultaneously, and the contact line atress is even when guaranteeing to straighten with fast the rotation of cooperation first gyro wheel, has improved whole practicality.

Description

Pay-off straightener for contact line of electrified railway contact network

Technical Field

The utility model relates to a straightener technical field especially relates to an electric railway contact net unwrapping wire straightener for contact wire.

Background

The straightener is used for correcting the straightness of wires such as straightening steel wires and the like so as to achieve a tool with stable wire characteristics, has multiple functions, mainly plays a key physical role in the drawing and forming process of the wire steel wires, and comprises a tiny guide wheel, an adjusting screw, a support, a gasket and the like.

However, the existing pay-off straightener for the contact line of the contact network of the electrified railway has the following defects in the actual use process: 1. because the roller performs paying-off straightening on the oppositely pressed contact wire, the contact wire is easy to separate from the gap of the oppositely pressed roller outwards due to no corresponding limiting mechanism in actual use, so that the direction deviation during paying-off straightening is caused, and even safety accidents occur; 2. the existing roller needs a plurality of threaded rods to adjust and compress, errors easily occur in the manual actual repeated operation process, and the rotation speed of the roller is synchronous when the paying-off straightening cannot be guaranteed, so that the stress of a contact line is uneven when the straightening is carried out, and the efficiency is low. Therefore, the pay-off straightener for the contact line of the contact network of the electrified railway is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a pay-off straightener for an electric railway contact net contact wire.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pay-off straightener for an electrified railway contact line comprises a base, wherein two sides of the upper end of the base are respectively provided with a limiting guide mechanism, the middle of the upper end of the base is provided with a sliding chute, a sliding block is arranged inside the sliding chute, two first rollers which are transversely distributed in parallel are arranged above the sliding block, a first rotating shaft is arranged at the axis of each first roller in a penetrating manner, the first rollers are connected with the sliding block through the first rotating shaft, three second rollers which are equidistantly and transversely distributed in parallel are arranged right behind the first rollers, a second rotating shaft is arranged at the axis of each second roller in a penetrating manner, the second rollers are connected with the base through the second rotating shaft, first belt pulleys are sleeved on the annular surfaces of the two first rotating shafts, the first belt pulleys are positioned between the first rollers and the sliding block, and a first belt is movably connected between the two first belt pulleys, the middle of the front end of the sliding block is connected with a threaded rod in a threaded mode, and one end, far away from the sliding block, of the threaded rod extends to the outer side of the base and is fixedly connected with a knob.

Preferably, spacing guiding mechanism includes support, initiative lead screw, driven screw, main spacing pivot and main spacing cylinder, support fixed connection is in the upper end both sides position of base, and the support is worker's shape structure, the position runs through respectively around the upper end of support and is provided with initiative lead screw and driven screw, and the lower extreme of initiative lead screw and driven screw all is connected with the base, the annular surface of initiative lead screw and driven screw has all slided and has cup jointed the stopper, two be provided with main spacing pivot between the stopper, department's cover is equipped with main spacing cylinder in the middle of the annular surface of main spacing pivot.

Preferably, the rectangular channel has all been seted up to the upper end both sides position of base, and the rectangular channel is located main spacing pivot under, be provided with vice spacing pivot between the inner wall around the rectangular channel, department's cover is equipped with vice spacing cylinder in the middle of the annular surface of vice spacing pivot.

Preferably, the annular surfaces of the driving screw rod and the driven screw rod are respectively provided with a second belt pulley in a sleeved mode, the second belt pulleys are located above the support, and a second belt is movably connected between the second belt pulleys.

Preferably, the slider and the spout are T-shaped structures, and sliding connection between the slider and the spout, the front end intermediate position department of base seted up with threaded rod assorted screw hole, and the screw hole extends to the inside of spout.

Preferably, the upper end fixedly connected with rocking handle of initiative lead screw, the surface of knob and rocking handle all is provided with anti-skidding line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. carry out the lateral wall spacing to the contact wire through the spacing guiding mechanism who sets up, cooperate the aligning that compresses tightly of first gyro wheel and second gyro wheel, omnidirectional spacing when realizing the alignment of contact wire unwrapping wire prevents that the contact wire from breaking away from to the outside from the second gyro wheel between the first gyro wheel, and main spacing cylinder rolls the direction with vice spacing cylinder in spacing while to the contact wire simultaneously, reduces frictional force, avoids the contact wire directly to cause wearing and tearing with base contact unwrapping wire alignment.

2. Through the first belt pulley that sets up and the cooperation that has first belt, make first gyro wheel rotate with fast, contact wire atress is even when guaranteeing the aligning, simultaneously through solitary threaded rod control slide translation, and then makes two synchronous displacement adjustment of first gyro wheel compress tightly the contact wire, replaces the loaded down with trivial details of traditional many times regulation, reduces the error, improves work efficiency.

Drawings

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

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

fig. 3 is a right side view of the structure of the present invention;

fig. 4 is a front view of the present invention, which is a schematic view of a sectioning structure.

In the figure: 1. a base; 2. a limiting guide mechanism; 21. a support; 22. an active screw rod; 221. a rocking handle; 23. a driven screw rod; 24. a second pulley; 25. a second belt; 26. a limiting block; 27. a main limit rotating shaft; 28. a main limiting roller; 3. a first roller; 31. a first rotating shaft; 32. a first pulley; 33. a first belt; 4. a second roller; 41. a second rotating shaft; 5. a chute; 6. a slider; 7. a threaded rod; 8. a knob; 9. a rectangular groove; 10. an auxiliary limit rotating shaft; 11. vice spacing cylinder.

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.

Referring to fig. 1-4, including a base 1, both sides of the upper end of the base 1 are provided with a limit guide mechanism 2, specifically, the limit guide mechanism 2 includes a bracket 21, a driving screw 22, a driven screw 23, a main limit rotating shaft 27 and a main limit roller 28, the bracket 21 is fixedly connected to both sides of the upper end of the base 1, the bracket 21 is an i-shaped structure, the front and rear positions of the upper end of the bracket 21 are respectively provided with the driving screw 22 and the driven screw 23, the lower ends of the driving screw 22 and the driven screw 23 are connected with the base 1, the annular surfaces of the driving screw 22 and the driven screw 23 are respectively sleeved with a limit 26 in a sliding manner, the main limit rotating shaft 27 is arranged between the two limit 26, the main limit roller 28 is sleeved at the middle of the annular surface of the main limit rotating shaft 27, specifically, both sides of the upper end of the base 1 are provided with rectangular grooves 9, and the rectangular, be provided with vice spacing pivot 10 between the front and back inner wall of rectangular channel 9, department's cover is equipped with vice spacing cylinder 11 in the middle of the annular surface of vice spacing pivot 10, it is spacing to carry out the lateral wall to the contact wire through the spacing guiding mechanism 2 that sets up, cooperate the aligning that compresses tightly of first gyro wheel and second gyro wheel, it is omnidirectional spacing when realizing the alignment of contact wire unwrapping wire, prevent that the contact wire from breaking away from to the outside from second gyro wheel 4 between first gyro wheel 3, main spacing cylinder 28 rolls the direction with vice spacing cylinder 11 in spacing while to the contact wire simultaneously, and friction is reduced, avoid the contact wire directly to cause wearing and tearing with base 1 contact unwrapping wire alignment.

Wherein, the annular surface of drive lead screw 22 and driven lead screw 23 is equipped with second belt pulley 24 respectively, and second belt pulley 24 is located the top of support 21, swing joint has second belt 25 between two second belt pulleys 24, it is concrete, drive lead screw 22's upper end fixedly connected with rocking handle 221, knob 8 all is provided with anti-skidding line with rocking handle 221's surface, through rotating rocking handle 221, cooperation second belt pulley 24 and second belt 25's operation control drive lead screw 22 rotates with driven lead screw 23 is synchronous, work efficiency is improved, carry out anti-skidding to knob 8 and rocking handle 221's surface simultaneously, avoid the staff to use and appear skidding.

Wherein, a chute 5 is arranged in the middle of the upper end of the base 1, a slide block 6 is arranged in the chute 5, two first rollers 3 which are transversely distributed in parallel are arranged above the slide block 6, a first rotating shaft 31 is arranged at the axle center of each first roller 3 in a penetrating way, each first roller 3 is connected with the slide block 6 through the first rotating shaft 31, three second rollers 4 which are equidistantly and transversely distributed in parallel are arranged right behind the first rollers 3, a second rotating shaft 41 is arranged at the axle center of each second roller 4 in a penetrating way, the second rollers 4 are connected with the base 1 through the second rotating shafts 41, first belt pulleys 32 are sleeved on the annular surfaces of the two first rotating shafts 31, the first belt pulleys 32 are positioned between the first rollers 3 and the slide block 6, a first belt 33 is movably connected between the two first belt pulleys 32, a threaded rod 7 is connected at the middle of the front end of the slide block 6 in a threaded way, and one end of the threaded rod 7 which is far away from the slide block 6 extends to the, it is specific, slider 6 is T shape structure with spout 5, and sliding connection between slider 6 and the spout 5, base 1's front end intermediate position department offer with threaded rod 7 assorted screw hole, and the screw hole extends to the inside of spout 5, first belt pulley 32 through setting up and the cooperation that has first belt 33, make first gyro wheel 3 rotate with fast, contact wire atress is even when guaranteeing the aligning, simultaneously through the translation of solitary threaded rod 7 control slider 6, and then make two 3 synchronous displacement adjustments of first gyro wheel compress tightly the contact wire, replace the loaded down with trivial details of traditional many times regulation, reduce the error, and the work efficiency is improved.

The working principle of the utility model is that after the contact line is placed in the gap between a first roller 3 and a second roller 4 and runs through the limiting guide mechanisms 2 on the two sides, a threaded rod 7 controls a sliding block 6 to slide and translate in a sliding groove 5 by rotating a knob 8, and then the two first rollers 3 which are transversely distributed in parallel synchronously press the contact line towards the second roller 4, so as to replace the tedious problem of traditional multiple adjustment and reduce errors, at the moment, the limiting guide mechanisms 2 on the two sides of the upper end of a base 1 are matched, the operation of a second belt pulley 24 and a second belt 25 is matched to control a driving screw rod 22 and a driven screw rod 23 to synchronously rotate by rotating a rocking handle 221, and then two limit blocks 26 synchronously translate downwards, a main limiting roller 28 is close to the direction of an auxiliary limiting roller 11 to limit the outward deviation of the contact line, so as to realize the omnibearing limit during the straightening of the contact line paying off, when the, due to the operation of the first belt pulley 32 and the first belt 33, the two first rollers 3 rotate at the same speed to press the contact line for straightening, so that the contact line is uniformly stressed during straightening, and meanwhile, the main limiting roller 28 and the auxiliary limiting roller 11 perform rolling guide while limiting the contact line, so that the friction force is reduced, and the abrasion caused by the fact that the contact line is directly contacted with the base 1 for paying off and straightening is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pay-off straightener for an electrified railway contact line comprises a base (1) and is characterized in that two sides of the upper end of the base (1) are respectively provided with a limiting guide mechanism (2), the middle of the upper end of the base (1) is provided with a sliding chute (5), a sliding block (6) is arranged inside the sliding chute (5), two first rollers (3) which are transversely distributed in parallel are arranged above the sliding block (6), the axle center of each first roller (3) is provided with a first rotating shaft (31) in a penetrating manner, each first roller (3) is connected with the sliding block (6) through the corresponding first rotating shaft (31), three second rollers (4) which are transversely distributed in parallel at equal intervals are arranged right behind the corresponding first rollers (3), the axle center of each second roller (4) is provided with a second rotating shaft (41) in a penetrating manner, and each second roller (4) is connected with the base (1) through the corresponding second rotating shaft (41), two the annular surface of first pivot (31) all overlaps and is equipped with first belt pulley (32), and first belt pulley (32) are located between first gyro wheel (3) and slider (6), two swing joint has first belt (33) between first belt pulley (32), department threaded connection has threaded rod (7) in the middle of the front end of slider (6), and threaded rod (7) keep away from the one end of slider (6) and extend to the outside and fixedly connected with knob (8) of base (1).

2. The pay-off straightener for the contact line of the contact network of the electrified railway according to claim 1, it is characterized in that the limiting and guiding mechanism (2) comprises a bracket (21), a driving screw rod (22), a driven screw rod (23), a main limiting rotating shaft (27) and a main limiting roller (28), the bracket (21) is fixedly connected with the two sides of the upper end of the base (1), the bracket (21) is of an I-shaped structure, the front and back positions of the upper end of the bracket (21) are respectively provided with a driving screw rod (22) and a driven screw rod (23) in a penetrating way, the lower ends of the driving screw rod (22) and the driven screw rod (23) are connected with the base (1), the annular surfaces of the driving screw rod (22) and the driven screw rod (23) are sleeved with limit blocks (26) in a sliding manner, a main limit rotating shaft (27) is arranged between the two limit blocks (26), the middle of the annular surface of the main limiting rotating shaft (27) is sleeved with a main limiting roller (28).

3. The pay-off straightener for the contact line of the contact net of the electrified railway as claimed in claim 2, wherein the rectangular grooves (9) are formed in both sides of the upper end of the base (1), the rectangular grooves (9) are located right below the main limiting rotating shaft (27), an auxiliary limiting rotating shaft (10) is arranged between the front and rear inner walls of the rectangular grooves (9), and an auxiliary limiting roller (11) is sleeved in the middle of the annular surface of the auxiliary limiting rotating shaft (10).

4. The pay-off straightener for the contact line of the contact network of the electrified railway as claimed in claim 2, wherein the second belt pulleys (24) are sleeved on the annular surfaces of the driving screw rod (22) and the driven screw rod (23), the second belt pulleys (24) are located above the bracket (21), and a second belt (25) is movably connected between the two second belt pulleys (24).

5. The pay-off straightener for the contact line of the contact network of the electrified railway as claimed in claim 1, wherein the sliding block (6) and the sliding groove (5) are both of a T-shaped structure, the sliding block (6) and the sliding groove (5) are connected in a sliding manner, a threaded hole matched with the threaded rod (7) is formed in the middle position of the front end of the base (1), and the threaded hole extends into the sliding groove (5).

6. The pay-off straightener for the contact line of the contact network of the electrified railway as claimed in claim 2, wherein the upper end of the driving screw rod (22) is fixedly connected with a rocking handle (221), and the outer surfaces of the knob (8) and the rocking handle (221) are both provided with anti-skid grains.