Rail transit electrical contactor fault emergency disposal device

Abstract

The utility model relates to the technical field of rail transit, in particular to a rail transit electrical contactor fault emergency disposal device which comprises a first sleeve, a second sleeve is arranged on the top side of the first sleeve, a first connecting ring is spirally connected to the outer side of the top end of the second sleeve, and an inserting rod is spirally connected to the inner side of the top end of the first connecting ring. The outer side of the first sleeve is fixedly connected with a fixing ring, the inner side of the right end of the fixing ring is rotationally connected with a rotating rod, the overall length of the sliding rod and the first sleeve can be reliably adjusted, and the habit that different workers hold emergency treatment rods with different lengths is met; the retaining ring ensures that the emergency disposal rod is reliably held or held after the fingers of a worker are buckled into the retaining ring, the emergency disposal rod is prevented from loosening and falling off, the requirements of different electrical contactors for different probing lengths of the emergency disposal rod are met through convenient adjustment of the overall length of the second sleeve and the insertion rod, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a rail transportation electrical contactor fault emergency disposal device. Background Art

[0002] During the operation of high-speed EMUs, electrical control contactor failures are inevitable due to changes in the lifespan of electrical control equipment and product quality issues. The safety control loop of high-speed EMUs and the control of high-voltage equipment are all realized by contactors. When a related contactor failure occurs during the operation of the EMU, it may cause the EMU to be unable to continue operating and require rescue. In serious cases, the route may be cancelled.

[0003] It is not possible to replace the contactor during the operation of a high-speed EMU. The on-board mechanic often has to temporarily find tools such as toothpicks and chopsticks to probe into the contactor for operation. Toothpicks and chopsticks are easy to break, which makes it difficult and unstable. Utility Model Content

[0004] The utility model aims to provide an emergency handling device for rail transit electrical contactor failure, so as to solve the problem in the above background technology that it is difficult for the on-board mechanic to temporarily find tools such as toothpicks and chopsticks to probe into the contactor for operation when the electrical contactor of the train fails.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A rail transit electrical contactor fault emergency handling device comprises a first sleeve, a second sleeve is arranged on the top side of the first sleeve, a first connecting ring is spirally connected to the outer side of the top end of the second sleeve, an insertion rod is spirally connected to the inner side of the top end of the first connecting ring, and the insertion rod is slidably connected to the second sleeve, a fixing ring is fixedly connected to the outer side of the first sleeve, a rotating rod is rotatably connected to the inner side of the right end of the fixing ring, a buckle is fixedly connected to the right end of the rotating rod, a sliding rod is slidably connected to the inner side of the bottom end of the first sleeve, a second connecting ring is spirally connected to the outer side of the sliding rod, and the second connecting ring is spirally connected to the first sleeve, and a scale line is arranged on the inner side of the rear end of the sliding rod.

[0007] Preferably, the top end of the first sleeve is fixedly connected with a cone, and the cone is fixedly connected to the second sleeve, the outer side of the insertion rod is spirally connected with a protective shell, the right end of the protective shell is fixedly connected with a connecting belt, and the connecting belt is fixedly connected to the second sleeve.

[0008] Preferably, a placement groove is provided on the inner side of the rear end of the sliding rod, and the scale lines are evenly located on the inner side of the placement groove.

[0009] Preferably, a pin is provided on the top of the insertion rod, and the pin is a cone.

[0010] Preferably, the outer side of the insertion rod is provided with an external thread, and the first connecting ring is spirally connected to the insertion rod through the external thread, the outer side of the top end of the second sleeve is provided with an external thread, and the first connecting ring is spirally connected to the second sleeve through the external thread, a sliding groove is provided on the inner side of the top end of the second sleeve, and the insertion rod is slidably connected to the second sleeve through the sliding groove, the outer side of the insertion rod is provided with an external thread, and the protective shell is spirally connected to the insertion rod through the external thread.

[0011] Preferably, a placement hole is provided on the inner side of the right end of the fixing ring, and the rotating rod is rotatably connected to the fixing ring through the placement hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, by providing the first sleeve, the second sleeve, the insertion rod, the first connecting ring, the second connecting ring, the sliding rod, the scale line, the fixed ring, the buckle ring and the rotating rod, it can ensure that the staff can easily hold the emergency response rod, avoid the staff's different habits of using the emergency response rod and not being able to use it reliably, and at the same time avoid the emergency response rod from loosening during use. The reliable adjustment of the overall length of the sliding rod and the first sleeve meets the habits of different staff members holding emergency response rods of different lengths. The buckle ring ensures that the staff member can reliably hold or grip the emergency response rod after buckling his fingers into the buckle ring to avoid it from loosening and falling. The convenient adjustment of the overall length of the second sleeve and the insertion rod meets the requirements of different electrical contactors for different insertion lengths of the emergency response rod, thereby increasing the practicality of the device.

[0014] 2. In the utility model, by providing a protective shell, a connecting belt and a cone, reliable protection of the plug rod can be ensured when the emergency disposal rod is idle, and the plug rod can be prevented from bending and breaking due to stress, and at the same time, the joint between the plug rod and the mounting part can be prevented from being exposed and easily disconnected. The protective shell reliably protects the plug rod and the plug pin, and prevents the plug rod and the plug pin from being easily broken, thereby extending the service life of the emergency disposal rod. The cone prevents the joint between the plug rod and the fixing part from being exposed and easily separated, thereby increasing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A schematic diagram of the structure at A;

[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the structure at B;

[0018] Figure 4 For this utility model Figure 1 Schematic diagram of the structure at C.

[0019] In the figure: 1-first sleeve, 2-cone, 3-sliding rod, 4-protective shell, 5-first connecting ring, 6-second sleeve, 7-insertion rod, 8-connecting belt, 9-second connecting ring, 10-fixing ring, 11-rotating rod, 12-buckle, 13-scale line. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] A rail transit electrical contactor fault emergency handling device comprises a first sleeve 1, a second sleeve 6 is arranged on the top side of the first sleeve 1, a first connecting ring 5 is spirally connected to the outer side of the top end of the second sleeve 6, an insert rod 7 is spirally connected to the inner side of the top end of the first connecting ring 5, and the insert rod 7 is slidably connected to the second sleeve 6, a fixing ring 10 is fixedly connected to the outer side of the first sleeve 1, a rotating rod 11 is rotatably connected to the inner side of the right end of the fixing ring 10, a buckle 12 is fixedly connected to the right end of the rotating rod 11, a sliding rod 3 is slidably connected to the inner side of the bottom end of the first sleeve 1, a second connecting ring 9 is spirally connected to the outer side of the sliding rod 3, and the second connecting ring 9 is spirally connected to the first sleeve 1, and a scale line 13 is arranged on the inner side of the rear end of the sliding rod 3.

[0023] The top of the first sleeve 1 is fixedly connected with a cone 2, and the cone 2 is fixedly connected to the second sleeve 6. The outer side of the plug rod 7 is spirally connected with a protective shell 4. The right end of the protective shell 4 is fixedly connected with a connecting belt 8, and the connecting belt 8 is fixedly connected to the second sleeve 6. During use, the emergency disposal rod plug rod 7 is reliably protected to avoid breakage due to force; a placement groove is provided on the inner side of the rear end of the sliding rod 3, and the scale lines 13 are evenly located on the inner side of the placement groove, which ensures that the staff can easily determine the overall length of the emergency disposal rod during use; a pin is provided on the top of the plug rod 7, and the pin is a cone, which ensures that the plug rod 7 can reliably toggle the contactor during use; an external thread is provided on the outer side of the plug rod 7, and the first connecting ring 5 is spirally connected to the plug rod 7 through the external thread, An external thread is provided on the outer side of the top end of the second sleeve 6, and the first connecting ring 5 is spirally connected to the second sleeve 6 through the external thread, a sliding groove is provided on the inner side of the top end of the second sleeve 6, and the insertion rod 7 is slidably connected to the second sleeve 6 through the sliding groove, an external thread is provided on the outer side of the insertion rod 7, and the protective shell 4 is spirally connected to the insertion rod 7 through the external thread, so that the overall length of the insertion rod 7 and the second sleeve 6 can be conveniently adjusted during use to meet the different requirements of the insertion length of different contactor plugs; a placement hole is provided on the inner side of the right end of the fixing ring 10, and the rotating rod 11 is rotatably connected to the fixing ring 10 through the placement hole, so that the buckle ring 12 can be reliably tilted during use, and the buckle ring 12 can be reliably rotated to the angle the staff is accustomed to after the staff's finger is inserted into the buckle ring 12.

[0024] Working process: The device of the utility model can ensure that the staff can hold the emergency disposal rod conveniently, avoid the staff's different habits in using the emergency disposal rod and unable to use it reliably, and at the same time avoid the emergency disposal rod from loosening during use. During use, when the staff is accustomed to holding the emergency disposal rod for use, they can directly hold the first sleeve 1 for use. When the staff is accustomed to holding the emergency disposal rod in different positions for use, it is necessary to adjust the length of the emergency disposal rod to ensure that the staff can hold it reliably with the length they are accustomed to. Under the cooperation of the second connecting ring 9 that is respectively spirally connected with the first sleeve 1 and the sliding rod 3, the second connecting ring 9 is unscrewed from the first sleeve 1, and the exposed length of the sliding rod 3 is adjusted under the cooperation of the scale line 13. After it is adjusted to the appropriate position, the second connecting ring 9 is screwed onto the first sleeve 1 again. When the staff holds or holds the emergency disposal rod for use, they insert their fingers into the buckle 12, and rotate the rotating rod 11 and the fixed ring 10 to connect. When the bolt 7 is in the air, the second end of the bolt 7 is tightened and the second end of the bolt 7 is tightened, so that the bolt 7 is not loose or falls off.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rail transit electrical contactor fault emergency handling device, comprising a first sleeve (1), characterized in that: A second sleeve (6) is provided on the top side of the first sleeve (1), a first connecting ring (5) is spirally connected to the outer side of the top end of the second sleeve (6), an insertion rod (7) is spirally connected to the inner side of the top end of the first connecting ring (5), and the insertion rod (7) is slidably connected to the second sleeve (6), a fixing ring (10) is fixedly connected to the outer side of the first sleeve (1), a rotating rod (11) is rotatably connected to the inner side of the right end of the fixing ring (10), and a buckle (12) is fixedly connected to the right end of the rotating rod (11), a sliding rod (3) is slidably connected to the inner side of the bottom end of the first sleeve (1), a second connecting ring (9) is spirally connected to the outer side of the sliding rod (3), and the second connecting ring (9) is spirally connected to the first sleeve (1), and a scale line (13) is provided on the inner side of the rear end of the sliding rod (3).

2. The rail transit electrical contactor fault emergency handling device according to claim 1, characterized in that: The top end of the first sleeve (1) is fixedly connected to a cone (2), and the cone (2) is fixedly connected to the second sleeve (6); the outer side of the insertion rod (7) is spirally connected to a protective shell (4); the right end of the protective shell (4) is fixedly connected to a connecting belt (8), and the connecting belt (8) is fixedly connected to the second sleeve (6).

3. The rail transit electrical contactor fault emergency handling device according to claim 1, characterized in that: A placement groove is provided on the inner side of the rear end of the sliding rod (3), and the scale lines (13) are evenly located on the inner side of the placement groove.

4. The rail transit electrical contactor fault emergency handling device according to claim 1, characterized in that: The top of the insertion rod (7) is provided with an insertion pin, and the insertion pin is a cone.

5. The rail transit electrical contactor fault emergency handling device according to claim 2, characterized in that: The outer side of the insertion rod (7) is provided with an external thread, and the first connecting ring (5) is spirally connected to the insertion rod (7) via the external thread; the outer side of the top end of the second sleeve (6) is provided with an external thread, and the first connecting ring (5) is spirally connected to the second sleeve (6) via the external thread; the inner side of the top end of the second sleeve (6) is provided with a sliding groove, and the insertion rod (7) is slidably connected to the second sleeve (6) via the sliding groove; the outer side of the insertion rod (7) is provided with an external thread, and the protective shell (4) is spirally connected to the insertion rod (7) via the external thread.

6. The rail transit electrical contactor fault emergency handling device according to claim 1, characterized in that: A placement hole is provided on the inner side of the right end of the fixing ring (10), and the rotating rod (11) is rotatably connected to the fixing ring (10) through the placement hole.

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