Device for correcting falling lump of overhead line system limiting frame

Abstract

The utility model discloses a catenary limiting frame weight correcting device which comprises a first arc frame, the two ends of the first arc frame are movably connected with bolts, the lower ends of the bolts are connected with nuts in a threaded mode, a second arc frame is arranged at the upper ends of the nuts, the second arc frame is connected to the bolts in a sliding mode, and the first arc frame and the second arc frame are in threaded connection. A top column is fixedly connected to the middle of the lower portion of the first arc frame, a pendant lump is correspondingly arranged in the middle of the first arc frame and the middle of the second arc frame, a connecting plate is correspondingly arranged above the pendant lump, a mounting seat is mounted in the middle of the upper portion of the connecting plate in a threaded mode, and a nut is fixedly connected to the top of a bolt. The two pairs of arc frames are arranged to correspond to a pendant lump, the jacking assembly is installed in the arc frame at the upper end, jacking operation of the first arc frame can be achieved through the first connecting rod, the second connecting rod, the screw, the threaded block and the sliding block, and therefore the second arc frame is matched to jack the pendant lump upwards, and correction operation on the pendant lump is completed; the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of catenary limiting frame pommel correction, specifically a catenary limiting frame pommel correction device. BACKGROUND

[0002] Pommel is an important part of electrified railway catenary, mostly reinforced concrete or iron, each about 50 jin, two or three tens of pieces into a string suspended from the catenary wire both ends, the contact line above the railway line provides power for the train, because the train speed is very fast, this requires the contact line must be smooth and stable tension and relaxation must meet the requirements, in the north, the highest temperature difference can reach 50 degrees Celsius, a 2 kilometers or so contact line length can reach 80 cm due to thermal expansion and contraction, if the contact line tension does not meet the requirements of the locomotive pantograph slip, easy to appear pull arc or scratch net phenomenon influence train safe operation, this requires pommel to play a role, it is connected with the transmission line through the pulley using gravity tension transmission line temperature changes, pommel through the rise or fall automatically adjust the tension of catenary wire to prevent the contact line too tight or too loose;

[0003] At present, when the catenary limiting frame pommel is corrected, the manual comparison adjustment method is usually used to complete, but this correction method not only consumes time and effort, and the correction accuracy cannot be guaranteed, which leads to the fact that the pommel cannot work stably after correction and a series of subsequent problems occur. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a catenary limiting frame pommel correction device, solves the problem that the manual comparison adjustment method is used to complete the correction operation in the prior art, but this correction method not only consumes time and effort, and the correction accuracy cannot be guaranteed.

[0005] To achieve the above object, a catenary limiting frame pommel correction device is provided, which comprises an arc frame one, bolts are movably connected to both ends of the arc frame one, nuts are threadedly connected to the lower ends of the bolts, an arc frame two is arranged at the upper end of the nut and is slidably connected to the bolt, and a top column is fixedly connected to the middle of the lower part of the arc frame one.

[0006] A pommel is arranged at the middle of the arc frame one and the arc frame two, a connecting plate is arranged above the pommel, a mounting seat is threadedly installed at the middle of the upper part of the connecting plate, and a nut is fixedly connected to the top of the bolt.

[0007] According to the catenary limiting frame pommel correction device, the inner sides of the mounting seat are rotatably connected with connecting rods two, the other ends of the two groups of connecting rods two are rotatably connected with sliding blocks and threaded blocks.

[0008] According to the device for correcting the sag of the catenary limiting frame, the threaded block is threadedly connected with a screw rod, and one end of the screw rod is fixedly connected with a limiting handle outward through the sliding block.

[0009] According to the device for correcting the sag of the catenary limiting frame, the sliding block is movably connected with the screw rod, and the two ends of the sliding block and the threaded block are rotatably connected with a connecting rod one.

[0010] According to the device for correcting the sag of the catenary limiting frame, the other end of the connecting rod one is rotatably connected with a connecting block, and the connecting block is fixedly connected with the bottom of the top column.

[0011] Compared with the prior art, the device has the beneficial effects that:

[0012] 1、The two pairs of arc frames can correspond to the sag, the jacking assembly is installed in the arc frame one, the jacking operation of the arc frame one can be realized through the connecting rod one, the connecting rod two, the screw rod, the threaded block and the sliding block, the sag is jacked up in cooperation with the arc frame two, the correction operation of the sag is completed, and the practicability of the device is improved.

[0013] Additional aspects and advantages of the device will be given in part in the following description, will become obvious in part from the following description, or will be understood by those skilled in the art through practice of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] The device will be further described below in combination with the drawings and embodiments;

[0015] Fig. 1 It is a whole schematic view of the device for correcting the sag of the catenary limiting frame;

[0016] Fig. 2 It is a side view of the device for correcting the sag of the catenary limiting frame;

[0017] Fig. 3 It is a correction assembly schematic view of the device for correcting the sag of the catenary limiting frame.

[0018] In the figure: 1, sag; 2, arc frame one; 3, connecting plate; 4, bolt; 5, arc frame two; 6, nut; 7, nut; 8, mounting seat; 9, connecting rod one; 10, connecting rod two; 11, screw rod; 12, top column; 13, connecting block; 14, limiting handle; 15, sliding block; 16, threaded block. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a kind of device for catenary limiting frame polder correction, including circular arc frame one 2, the both ends of circular arc frame one 2 movably connect with bolt 4, the lower end of bolt 4 is threadedly connected with nut 6, circular arc frame two 5 is arranged on the upper end of nut 6, and circular arc frame two 5 is slidably connected on bolt 4, the lower middle part of circular arc frame one 2 is fixedly connected with top column 12, corresponding with polder 1 can be carried out by circular arc frame one 2 and circular arc frame two 5, so as to be able to drive polder 1 to carry out correction operation in the process of lifting, simultaneously, connecting plate 3 is installed on limiting frame and used in actual use process, itself does not move;

[0021] The middle part of circular arc frame one 2 and circular arc frame two 5 is correspondingly provided with polder 1, the upper side of polder 1 is correspondingly provided with connecting plate 3, the upper middle part of connecting plate 3 is screw mounted with mounting seat 8, the top of bolt 4 is fixedly connected with nut 7, the threaded connection between mounting seat 8 and connecting plate 3 can be convenient for staff to adjust the position of mounting seat 8, improve its use effect;

[0022] The inner side both ends of mounting seat 8 are rotatably connected with connecting rod two 10, the other end of two groups of connecting rod two 10 is rotatably connected with sliding block 15 and threaded block 16, threaded block 16 is threadedly connected with screw rod 11, one end of screw rod 11 penetrates sliding block 15 and is fixedly connected with limit knob 14 outward, sliding block 15 is movably connected on screw rod 11, the upper both ends of sliding block 15 and threaded block 16 are rotatably connected with connecting rod one 9, the other end of connecting rod one 9 is rotatably connected with connecting block 13, connecting block 13 is fixedly connected at the bottom of top column 12, rotating limit knob 14 can drive internal screw rod 11 to rotate, under the action of threaded connection, threaded block 16 can move inwards, since the both ends of threaded block 16 are provided with rotatable connecting rod one 9 and connecting rod two 10, so threaded block 16 will drive the other end sliding block 15 to slide on screw rod 11 in the process of moving inwards, to ensure that connecting block 13 and top column 12 are slowly jacked up, at this moment, top column 12 can drive circular arc frame one 1 to move upwards, since the both ends of circular arc frame one 1 are fixed with circular arc frame two 5 by bolt 4, so circular arc frame two 5 and internal polder 1 can also be driven to move upwards, complete the correction operation of polder.

[0023] Working principle: when using, install the connecting plate 3 on the contact net limiting frame, when correcting the pylon 1, send the pylon 1 into the middle part of the two arc frames, and make the outer end of the pylon 1 contact with the arc frame two 5, then the worker rotates the limiting handle 14 to drive the internal screw rod 11 to rotate, under the action of screw connection, the threaded block 16 can move inward, since the both ends of the threaded block 16 are provided with the rotating connecting rod one 9 and the connecting rod two 10, so the threaded block 16 will drive the sliding block 15 on the other end to slide on the screw rod 11 in the process of moving inward, to ensure the slow jacking of the upper connecting block 13 and the top column 12, at this time the top column 12 can drive the arc frame one 1 to move upward, since the both ends of the arc frame one 1 are fixed with the arc frame two 5 by the bolt 4, so it can also drive the arc frame two 5 and the internal pylon 1 to move upward, complete the correction work of the pylon.

[0024] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A device for correcting the droop of a catenary post, comprising a circular arc post (2), characterized in that, The bolt (4) is movably connected to the two ends of the arc frame one (2), the lower end of the bolt (4) is threadedly connected with a nut (6), the upper end of the nut (6) is provided with an arc frame two (5), the arc frame two (5) is slidably connected to the bolt (4), and the lower middle of the arc frame one (2) is fixedly connected with a jacks (12); The arc frame one (2) and the arc frame two (5) are provided with a pug (1) at the middle, the upper side of the pug (1) is provided with a connecting plate (3), the upper middle of the connecting plate (3) is threadedly provided with a mounting seat (8), and the top of the bolt (4) is fixedly connected with a nut (7).

2. A droop correction device for an overhead contact line support frame as claimed in claim 1, characterized in that: The inner sides of the mounting seat (8) are rotatably connected with two connecting rods two (10), and the other ends of the two groups of connecting rods two (10) are rotatably connected with sliding blocks (15) and threaded blocks (16).

3. A droop correction device for an overhead contact line support frame as claimed in claim 2, characterized in that: The threaded block (16) is threadedly connected with a screw rod (11), one end of the screw rod (11) penetrates through the sliding block (15) and is fixedly connected with a limiting handle (14) outward.

4. A droop correction device for an overhead contact line support frame as claimed in claim 3, characterized in that: The sliding block (15) is movably connected to the screw rod (11), and the upper ends of the sliding block (15) and the threaded block (16) are rotatably connected with a connecting rod one (9).

5. A droop correction device for an overhead contact line support frame as claimed in claim 4, characterized in that: The other end of the connecting rod one (9) is rotatably connected with a connecting block (13), and the connecting block (13) is fixedly connected to the bottom of the jacks (12).

Images