Ice breaking device for pantograph of electric locomotive

By designing an ice-breaking device for the pantograph of electric locomotives, the high-frequency vibration of the sliding block and ice-breaking mechanism solves the problems of low power transmission efficiency and wear of the pantograph on icy cables, achieving efficient ice breaking and protection of the contact network.

CN223803423UActive Publication Date: 2026-01-16刘维
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Patent Information

Application Number
CN202520519794.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-01-16
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

When existing electric locomotive pantographs encounter icy cables, their power transmission efficiency is poor and the pantograph's sliding plate wears out quickly.

Method used

An ice-breaking device for an electric locomotive pantograph was designed, comprising an adaptation frame, a sliding block, an ice-breaking mechanism, a vibrating motor, and an adjustment mechanism. Through the flexible movement of the sliding block, the high-frequency vibration of the ice-breaking block, and the arc-shaped design of the contact plate, good contact with the overhead contact line is ensured and ice and snow are effectively broken.

Benefits of technology

It improves power transmission efficiency, reduces wear on the pantograph plate, ensures ice-breaking effect, adapts to different contact network layouts, and avoids damage to the contact network.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an icebreaking device for a pantograph of an electric locomotive, and relates to the technical field of icebreaking devices. An adjusting mechanism is arranged on the right sides of the fixing frames, a U-shaped adapting frame is arranged above the adjusting mechanism, a sliding block is arranged on the inner side of the adapting frame, a movable groove is formed in the upper end of the sliding block, and an icebreaking mechanism is arranged in the movable groove. Through the design of an adapting frame and a sliding block, when the device is used, an icebreaking mechanism above the sliding block can flexibly move in the left-right direction, then the device can adapt to broken line type arrangement of the contact net, and it is ensured that the icebreaking device can be in good contact with the contact net at different positions; and through the arrangement of the adjusting mechanism, the position of the icebreaking mechanism can be accurately adjusted. A vibration motor drives a driving gear and a rotating plate, under the action of an action hole and two limiting rods, the sliding plates on the left side and the right side and the ice breaking block generate high-frequency vibration, ice and snow on the surface of the contact net are effectively broken, and the ice breaking efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ice breaking device technical field especially relates to a power locomotive pantograph ice breaking device. BACKGROUND

[0002] The pantograph is a key component in electric locomotives and electric trains, used to contact the power supply system to obtain electrical energy to drive the train. It is usually composed of one or more conductive contact devices, installed on the roof of the train, and kept in pressure contact with the contact line through mechanical devices such as springs or air pressure. The main function of the pantograph is to establish a reliable electrical connection between the electrical equipment on the train and the contact line, so as to realize the transmission of electrical energy.

[0003] However, the common pantograph on the market still has some problems. The common high-speed train pantograph does not have an ice breaking device, which makes the pantograph inefficient in receiving electrical energy when encountering an icy cable during operation, and easily accelerates the wear of the pantograph slide. Therefore, we designed a power locomotive pantograph ice breaking device to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a power locomotive pantograph ice breaking device, which solves the technical problems raised in the background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a power locomotive pantograph ice breaking device, comprising a fixed frame, the fixed frame is provided with two, the right side of the fixed frame is provided with an adjusting mechanism, the upper side of the adjusting mechanism is provided with an adaptive frame, the adaptive frame is U-shaped, the inner side of the adaptive frame is provided with a sliding block, the upper end of the sliding block is provided with a movable slot, the movable slot is provided with an ice breaking mechanism;

[0006] The ice breaking mechanism comprises two ice breaking blocks, the adjacent side walls of the two ice breaking blocks are provided with action grooves, the bottom of the action groove is provided with an abutting groove, the abutting groove is slidably connected with a contact plate, the end of the contact plate close to the abutting groove is fixedly connected with a plurality of action springs, the end of the action spring away from the contact plate is fixedly connected with the bottom of the abutting groove;

[0007] The right side inner wall of the adaptive frame is fixedly connected with a limiting slide rod, the left side end of the limiting slide rod penetrates through the sliding block and is fixedly connected with the left side inner wall of the adaptive frame, the limiting slide rod is slidably connected with the sliding block, the sliding block abuts against the lower side inner wall of the adaptive frame, two abutting springs are sleeved on the limiting slide rod, the adjacent ends of the two abutting springs are respectively fixedly connected with the left and right ends of the sliding block, and the ends of the two abutting springs away from each other are respectively fixedly connected with the left and right side inner walls of the adaptive frame.

[0008] Preferably, the lower end of the ice breaking block is fixedly connected with a sliding plate, the lower end of the sliding plate extends into the movable groove and is in sliding connection with the movable groove, the left side inner wall of the movable groove is fixedly connected with a sliding rod, the right side end of the sliding rod penetrates the two sliding plates in sequence and is fixedly connected with the right side inner wall of the movable groove, three supporting springs are sleeved on the sliding rod, the two sliding plates separate the three supporting springs, the two ends of the middle supporting spring are fixedly connected with the adjacent side walls of the two sliding plates respectively, and the adjacent ends of the left and right supporting springs are fixedly connected with the mutually far side walls of the two sliding blocks respectively.

[0009] Preferably, the rear side end of the sliding block is fixedly connected with a vibration motor, the output end of the vibration motor penetrates the rear side wall of the movable groove and is fixedly connected with a driving gear, the rear side inner wall of the movable groove is rotationally connected with a rotating plate, the circumferential surface of the rotating plate is provided with a plurality of matching gear grooves, the matching gear grooves are in mesh with the driving gear, the rear side ends of the two sliding plates are fixedly connected with limiting rods, the rotating plate is provided with an acting hole, the rear side ends of the two limiting rods extend into the acting hole, the outer side wall of the limiting rod always abuts against the inner side wall of the acting hole, and the acting hole is oval.

[0010] Preferably, the adjusting mechanism comprises a position adjusting frame, the right side end of the position adjusting frame is fixedly connected with an adjusting motor, the output end of the adjusting motor penetrates the right side wall of the position adjusting frame and is fixedly connected with an adjusting screw rod, the left side end of the adjusting screw rod is rotationally connected with the left side inner wall of the position adjusting frame, the adjusting screw rod is threadedly connected with an adjusting block, the upper end of the adjusting block is fixedly connected with the lower end of the adaptive frame, and the front side end of the adjusting block is in sliding connection with the front side inner wall of the position adjusting frame through a limiting sliding groove.

[0011] Preferably, a plurality of infrared detection sensors are arranged on the front side outer wall of the position adjusting frame, an identification plate is arranged above the position adjusting frame, the identification plate is fixed on the front side wall of the sliding block, and the identification plate is located above the plurality of infrared detection sensors.

[0012] Preferably, the front side end of the position adjusting frame is fixedly connected with the rear side end of the fixing frame, a locking bolt is arranged above the fixing frame, the lower end of the locking bolt penetrates the upper side wall of the fixing frame and is in threaded connection with the lower side wall of the fixing frame, a locking nut is arranged below the fixing frame, and the locking nut is matched with the locking bolt.

[0013] Preferably, the contact plate is arc-shaped, a plurality of ice breaking grooves are arranged on the inner side wall of the contact plate, and the inner diameters of the front and rear ends of the contact plate are different.

[0014] Compared with related technologies, the pantograph ice-breaking device for electric locomotives provided by this utility model has the following beneficial effects:

[0015] 1. This utility model provides an ice-breaking device for pantographs of electric locomotives. Through the design of the adapting frame and the sliding block, the ice-breaking mechanism above the sliding block can move flexibly in the left and right directions when the device is in use. This allows the device to adapt to the zigzag arrangement of the contact network, ensuring that the ice-breaking device can maintain good contact with the contact network in different positions.

[0016] The adjustment mechanism allows for precise adjustment of the ice-breaking mechanism's position when the pantograph contacts the overhead contact line, ensuring accurate alignment with the contact line and adapting to different contact line locations.

[0017] 2. This utility model provides an ice-breaking device for the pantograph of an electric locomotive. The combination of the ice-breaking block and the contact plate, along with the working spring and support spring, can provide uniform pressure during the ice-breaking process, avoiding damage to the contact wire. The arc-shaped design of the contact plate and the ice-breaking groove further enhance the ice-breaking effect.

[0018] 3. This utility model provides an ice-breaking device for pantographs of electric locomotives. By driving the active gear and rotating plate with a vibrating motor, the sliding plates on the left and right sides and the ice-breaking block generate high-frequency vibration through the action of the action hole and two limiting rods, which effectively breaks the ice and snow on the surface of the contact wire and improves the ice-breaking efficiency. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a three-dimensional structural diagram of the fixing frame of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the adjustment mechanism of this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the ice-breaking mechanism of this utility model;

[0023] Figure 5 This is a three-dimensional cross-sectional view of the movable groove position of this utility model;

[0024] Figure 6 This is a three-dimensional cross-sectional view of the sliding plate position of this utility model;

[0025] Figure 7 A schematic diagram of the three-dimensional structure of the contact plate for which this utility model should be selected;

[0026] Figure 8 This is a schematic diagram of the installation of this utility model.

[0027] In the figure: 1, fixed frame; 2, locking bolt; 3, locking nut; 4, position adjusting frame; 5, adjusting motor; 6, adjusting screw; 7, adjusting block; 8, adaptive frame; 9, sliding block; 10, limit slide rod; 11, abutting spring; 12, infrared detection sensor; 13, identification plate; 14, movable slot; 15, sliding rod; 16, sliding plate; 17, supporting spring; 18, vibration motor; 19, rotating plate; 20, action hole; 21, limiting rod; 22, driving gear; 23, matching tooth groove; 24, ice breaking block; 25, action slot; 26, contact plate; 27, action spring; 28, support frame; 29, bow head; 30, abutting slot; 31, ice breaking slot. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1-8 The utility model provides a kind of technical scheme: a kind of electric locomotive pantograph ice breaking device, including fixed frame 1, fixed frame 1 is provided with two, the right side of fixed frame 1 is provided with adjusting mechanism, the upper portion of adjusting mechanism is provided with adaptive frame 8, adaptive frame 8 is U-shaped, the inboard of adaptive frame 8 is provided with sliding block 9, sliding block 9 upper end is equipped with movable slot 14, movable slot 14 is provided with ice breaking mechanism in;

[0030] Ice breaking mechanism includes two ice breaking blocks 24, two ice breaking blocks 24 adjacent side wall is equipped with action slot 25, the bottom of action slot 25 is equipped with abutting slot 30, contact plate 26 is slidably connected in abutting slot 30, a plurality of action springs 27 are fixedly connected to the end of contact plate 26 close to abutting slot 30, the end of action spring 27 away from contact plate 26 is fixedly connected with the bottom of abutting slot 30;

[0031] The right inner wall of the adaptive frame 8 is fixedly connected with a limiting slide rod 10, the left end of the limiting slide rod 10 penetrates through the sliding block 9 and is fixedly connected with the left inner wall of the adaptive frame 8, the limiting slide rod 10 is slidingly connected with the sliding block 9, the sliding block 9 abuts against the lower inner wall of the adaptive frame 8, two abutting springs 11 are sleeved on the limiting slide rod 10, the adjacent ends of the two abutting springs 11 are fixedly connected with the left and right ends of the sliding block 9 respectively, the ends of the two abutting springs 11 away from each other are fixedly connected with the left and right inner walls of the adaptive frame 8 respectively, the arrangement of the adaptive frame 8 and the limiting slide rod 10 enables the ice breaking mechanism above the sliding block 9 to move flexibly in the left and right directions when the motor train runs at high speed, so that the device can adapt to the zigzag arrangement of the catenary, and ensure that the ice breaking device can keep good contact with the catenary at different positions.

[0032] The lower end of the ice breaking block 24 is fixedly connected with a sliding plate 16, the lower end of the sliding plate 16 extends into the movable groove 14 and is slidingly connected with the movable groove 14, the left inner wall of the movable groove 14 is fixedly connected with a sliding rod 15, the right end of the sliding rod 15 penetrates through the two sliding plates 16 in sequence and is fixedly connected with the right inner wall of the movable groove 14, three supporting springs 17 are sleeved on the sliding rod 15, the two sliding plates 16 separate the three supporting springs 17, the ends of the middle supporting spring 17 are fixedly connected with the adjacent side walls of the two sliding plates 16 respectively, the adjacent ends of the left and right supporting springs 17 are fixedly connected with the side walls away from each other of the two sliding blocks 9 respectively, the ends of the left and right supporting springs 17 away from each other are fixedly connected with the left and right inner walls of the movable groove 14 respectively, and the inner side wall of the contact plate 26 contacts with the outer side wall of the catenary under the action of the acting spring 27.

[0033] The rear end of the sliding block 9 is fixedly connected with a vibration motor 18, the output end of the vibration motor 18 penetrates through the rear side wall of the movable groove 14 and is fixedly connected with a driving gear 22, the rear inner wall of the movable groove 14 is rotatably connected with a rotating plate 19, the circumferential surface of the rotating plate 19 is provided with a plurality of matching tooth grooves 23, the matching tooth grooves 23 are engaged with the driving gear 22, the rear ends of the two sliding plates 16 are fixedly connected with limiting rods 21, the rotating plate 19 is provided with an acting hole 20, the rear ends of the two limiting rods 21 extend into the acting hole 20, the outer side wall of the limiting rod 21 always abuts against the inner side wall of the acting hole 20, the acting hole 20 is oval, the driving gear 22 and the rotating plate 19 are driven by the vibration motor 18, under the action of the acting hole 20 and the two limiting rods 21, the left and right sliding plates 16 and the ice breaking block 24 generate high-frequency vibration, which effectively breaks the ice and snow on the surface of the catenary.

[0034] The adjusting mechanism comprises a position adjusting frame 4, a right end of the position adjusting frame 4 is fixedly connected with an adjusting motor 5, an output end of the adjusting motor 5 penetrates through a right side wall of the position adjusting frame 4 and is fixedly connected with an adjusting screw rod 6, a left end of the adjusting screw rod 6 is rotationally connected with a left side inner wall of the position adjusting frame 4, the adjusting screw rod 6 is threadedly connected with an adjusting block 7, an upper end of the adjusting block 7 is fixedly connected with a lower end of an adapting frame 8, a front side end of the adjusting block 7 is slidingly connected with a front side inner wall of the position adjusting frame 4 through a limiting sliding slot, and the setting of the adjusting mechanism can ensure that the catenary is accurately placed in the ice breaking mechanism when the bow 29 contacts the catenary.

[0035] A plurality of infrared detection sensors 12 are arranged on a front side outer wall of the position adjusting frame 4, and an identification plate 13 is arranged above the position adjusting frame 4 and is fixed on a front side wall of the sliding block 9, the identification plate 13 is located above the plurality of infrared detection sensors 12, when the bow 29 is lifted upward by the lifting mechanism between the motor train and the bow 29, the position of the catenary is detected by the infrared detection sensor 12, then the adjusting motor 5 drives the adjusting screw rod 6 to rotate, the adjusting screw rod 6 and the adjusting block 7 cooperate to drive the adjusting and adapting frame 8 and the ice breaking mechanism to move in the left-right direction, and the adjusting motor 5 is paused when the identification plate 13 and the catenary are located at the same position.

[0036] A front side end of the position adjusting frame 4 is fixedly connected with a rear side end of the fixed frame 1, a locking bolt 2 is arranged above the fixed frame 1, a lower end of the locking bolt 2 penetrates through an upper side wall of the fixed frame 1 and is threadedly connected with a lower side wall of the fixed frame 1, a locking nut 3 is arranged below the fixed frame 1 and is matched with the locking bolt 2, the fixed frame 1 is matched with the support frame 28 at the lower end of the bow 29, and the fixed frame 1 and the support frame 28 are fixedly connected by cooperation of the locking bolt 2 and the lower side wall of the fixed frame 1, and the locking nut 3 and the locking bolt 2 are further matched to ensure the firmness of the connection between the locking bolt 2 and the fixed frame 1.

[0037] The contact plate 26 is arc-shaped, a plurality of ice breaking grooves 31 are arranged on an inner side wall of the contact plate 26, and the inner diameters of the front and rear ends of the contact plate 26 are different, so that the ice breaking grooves 31 on the contact plate 26 can better remove the ice blocks of the catenary during the running of the motor train, thereby improving the ice breaking efficiency.

[0038] Working principle: in use, the fixed frame 1 is matched with the support frame 28 under the bow head 29, and the fixed frame 1 and the support frame 28 are fixedly connected by the cooperation of the locking bolt 2 and the lower side wall of the fixed frame 1, and the locking bolt 2 and the fixed frame 1 are further ensured to be connected firmly by the cooperation of the locking nut 3 and the locking bolt 2, in use, the bow head 29 is lifted upward by the lifting mechanism under the bow head 29 and the motor car, the position of the catenary is detected by the infrared detection sensor 12 when the bow head 29 gradually approaches the catenary, the adjusting screw rod 6 is driven to rotate by the adjusting motor 5, the adjusting, adaptive frame 8 and the ice breaking mechanism are driven to move in the left and right directions by the cooperation of the adjusting screw rod 6 and the adjusting block 7, the adjusting motor 5 is paused when the recognition plate 13 and the catenary are located at the same position, the upper end of the bow head 29 contacts with the catenary under the action of the lifting mechanism, the catenary is located between the two ice breaking blocks 24, the inner side wall of the contact plate 26 contacts with the outer side wall of the catenary under the action of the spring 27, the driving gear 22 and the rotating plate 19 are driven by the vibration motor 18, the left and right slide plates 16 and the ice breaking blocks 24 are vibrated at high frequency under the action of the hole 20 and the two limiting rods 21, the ice and snow on the surface of the catenary are effectively broken, when the motor car moves, the adjusting block 7 can be moved to the middle position by the cooperation of the adjusting motor 5 and the adjusting screw rod 6, the vibration motor 18 continuously works and cooperates with the ice breaking groove 31 to break ice during the continuous driving of the motor car, the ice breaking mechanism above the sliding block 9 can move flexibly in the left and right directions, so that the device can adapt to the zigzag arrangement of the catenary, and ensure that the ice breaking device can keep good contact with the catenary in different positions.

Claims

1. A power locomotive pantograph ice breaking device comprising a fixing frame (1), characterized in that: The fixed frame (1) is provided with two, the right side of the fixed frame (1) is provided with an adjusting mechanism, the upper side of the adjusting mechanism is provided with an adaptive frame (8), the adaptive frame (8) is U-shaped, the inner side of the adaptive frame (8) is provided with a sliding block (9), the upper end of the sliding block (9) is provided with a movable slot (14), the movable slot (14) is provided with an ice breaking mechanism; The ice breaking mechanism comprises two ice breaking blocks (24), the adjacent side walls of the two ice breaking blocks (24) are provided with action grooves (25), the bottoms of the action grooves (25) are provided with abutting grooves (30), the abutting grooves (30) are slidably connected with contact plates (26), one end of the contact plate (26) close to the abutting groove (30) is fixedly connected with a plurality of action springs (27), and the other ends of the action springs (27) away from the contact plate (26) are fixedly connected with the bottoms of the abutting grooves (30). The right side inner wall of the adaptive frame (8) is fixedly connected with a limiting sliding rod (10), the left side end of the limiting sliding rod (10) penetrates through the sliding block (9) and is fixedly connected with the left side inner wall of the adaptive frame (8), the limiting sliding rod (10) is slidably connected with the sliding block (9), the sliding block (9) abuts against the lower side inner wall of the adaptive frame (8), and two abutting springs (11) are arranged on the limiting sliding rod (10), the adjacent ends of the two abutting springs (11) are fixedly connected with the left and right ends of the sliding block (9) respectively, and the ends of the two abutting springs (11) away from each other are fixedly connected with the left and right side inner walls of the adaptive frame (8) respectively.

2. The ice breaking device for electric locomotive pantograph according to claim 1, characterized in that: The lower end of the ice breaking block (24) is fixedly connected with a sliding plate (16), the lower end of the sliding plate (16) extends into the movable slot (14) and is slidably connected with the movable slot (14), the left side inner wall of the movable slot (14) is fixedly connected with a sliding rod (15), the right side end of the sliding rod (15) penetrates through the two sliding plates (16) in sequence and is fixedly connected with the right side inner wall of the movable slot (14), three supporting springs (17) are arranged on the sliding rod (15), the two sliding plates (16) separate the three supporting springs (17), the ends of the middle supporting spring (17) are fixedly connected with the adjacent side walls of the two sliding plates (16) respectively, the adjacent ends of the left and right supporting springs (17) are fixedly connected with the side walls of the two sliding blocks (9) away from each other respectively, and the ends of the left and right supporting springs (17) away from each other are fixedly connected with the left and right side inner walls of the movable slot (14) respectively.

3. The ice breaking device for a power locomotive pantograph according to claim 2, characterized in that: The rear end of the sliding block (9) is fixedly connected with a vibration motor (18), the output end of the vibration motor (18) penetrates the rear side wall of the movable groove (14) and is fixedly connected with a driving gear (22), the rear inner wall of the movable groove (14) is rotatably connected with a rotating plate (19), the circumferential surface of the rotating plate (19) is provided with a plurality of matching tooth grooves (23), the matching tooth grooves (23) are engaged with the driving gear (22), the rear end of each of the two sliding plates (16) is fixedly connected with a limiting rod (21), the rotating plate (19) is provided with an acting hole (20), the rear end of each of the two limiting rods (21) extends into the acting hole (20), the outer side wall of the limiting rod (21) is always in abutment with the inner side wall of the acting hole (20), and the acting hole (20) is oval.

4. The ice breaking device for electric locomotive pantograph according to claim 1, characterized in that: The adjusting mechanism comprises a position adjusting frame (4), the right end of the position adjusting frame (4) is fixedly connected with an adjusting motor (5), the output end of the adjusting motor (5) penetrates the right side wall of the position adjusting frame (4) and is fixedly connected with an adjusting screw rod (6), the left end of the adjusting screw rod (6) is rotatably connected with the left inner wall of the position adjusting frame (4), the adjusting screw rod (6) is threadedly connected with an adjusting block (7), the upper end of the adjusting block (7) is fixedly connected with the lower end of an adaptive frame (8), and the front end of the adjusting block (7) is slidingly connected with the front inner wall of the position adjusting frame (4) through a limiting sliding groove.

5. The ice breaking device for a power locomotive pantograph according to claim 4, characterized in that: A plurality of infrared detection sensors (12) are arranged on the front side outer wall of the position adjusting frame (4), an identification plate (13) is arranged above the position adjusting frame (4), the identification plate (13) is fixed on the front side wall of the sliding block (9), and the identification plate (13) is located above the plurality of infrared detection sensors (12).

6. The ice breaking device for a power locomotive pantograph according to claim 4, characterized in that: The front end of the position adjusting frame (4) is fixedly connected with the rear end of the fixed frame (1), a locking bolt (2) is arranged above the fixed frame (1), the lower end of the locking bolt (2) penetrates the upper side wall of the fixed frame (1) and is threadedly connected with the lower side wall of the fixed frame (1), a locking nut (3) is arranged below the fixed frame (1), and the locking nut (3) is matched with the locking bolt (2).

7. The ice breaking device for a power locomotive pantograph according to claim 4, characterized in that: The contact plate (26) is arc-shaped, a plurality of ice breaking grooves (31) are arranged on the inner side wall of the contact plate (26), and the inner diameters of the front and rear ends of the contact plate (26) are different.