Pantograph with safety interlocking device

Abstract

The utility model relates to the technical field of pantographs, and discloses a pantograph with a safety interlocking device, which comprises a supporting seat and a connecting block, the bottom of the supporting seat is provided with a supporting insulator, a pantograph lifting spring is arranged above the supporting seat, one end of the pantograph lifting spring is provided with a push rod, and the other end of the pantograph lifting spring is provided with a safety interlocking device. A lower arm rod is arranged at the other end of the pantograph lifting spring, a hinge base is arranged in the lower arm rod, an upper frame is arranged outside the hinge base, a support is arranged outside the upper frame, a connecting frame is arranged outside the support, and a disassembling assembly is arranged in a connecting block. According to the pantograph slide plate dismounting device, the dismounting assembly and the limiting assembly are arranged and matched with the dismounting structure of the slide plate, so that the slide plate on the pantograph can be replaced and maintained, the convenience of maintaining the whole structure of the pantograph by a worker is improved, the service life of the pantograph is prolonged, and the use safety of the whole slide plate on the pantograph is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pantograph technical field, concretely is a kind of pantograph with safety interlock device. BACKGROUND

[0002] Pantograph is the electrical equipment that electric power traction locomotive obtains electric energy from contact network, is installed in locomotive or train roof, pantograph can be divided into single-arm bow and double-arm bow two, it is by slide plate, upper frame, lower arm rod, chassis, pantograph spring, transmission cylinder, support insulator etc.

[0003] In prior art, due to the contact between contact network and the slide plate on pantograph, the slide plate and pantograph are worn to a certain extent after long contact, if the slide plate is not replaced in time after the damage of slide plate and pantograph reaches a certain threshold, the normal use of the whole pantograph will be affected, therefore, a pantograph with safety interlock device is proposed. UTILITY MODEL CONTENTS

[0004] Compared with the prior art, the utility model provides a pantograph with safety interlock device, which can conveniently replace and maintain the slide plate on the pantograph, thereby facilitating the maintenance of the overall structure of the pantograph by the staff, improving the service life of the pantograph, and facilitating the better use of the pantograph by the staff, thereby increasing the overall use safety of the slide plate on the pantograph.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a pantograph with safety interlocking device, including support seat and connecting block, the bottom of support seat is provided with support insulator, the top of support seat is provided with pantograph spring, one end of pantograph spring is provided with push rod, the other end of pantograph spring is provided with lower arm rod, the inside of lower arm rod is provided with hinge seat, the outside of hinge seat is provided with upper frame, the outside of upper frame is provided with support, the outside of support is provided with connecting frame, the inside of connecting block is provided with dismounting assembly, the inside of connecting block is provided with limiting assembly.

[0006] Preferably, the dismounting assembly includes a mounting rod disposed inside the connecting block, a sliding plate is disposed at the top end of the mounting rod, a mounting bolt is disposed outside the connecting block, and a fixing hole is formed in the outer wall of the mounting rod.

[0007] Preferably, the limiting assembly includes a hollow slot disposed inside the connecting block, a limiting ring is disposed inside the hollow slot, a fixing rod is disposed inside the limiting ring, and a pulling rod is disposed at one end of the fixing rod.

[0008] Preferably, the connecting block and the mounting rod are in sliding connection, and the mounting rod and the mounting bolt are in threaded connection.

[0009] Preferably, the mounting rod is provided in two groups, and the mounting rods are symmetrically disposed about the central axis of the support.

[0010] Preferably, the mounting rod and the connecting block are in parallel to each other, and the mounting rod and the support are in perpendicular to each other.

[0011] Preferably, the limiting ring and the fixing rod are in sliding connection, and a telescopic spring is disposed at one end of the fixing rod.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1、The utility model discloses a dismounting assembly and a limiting assembly are arranged, and the dismounting structure of the sliding plate is matched, so that the sliding plate on the pantograph can be replaced and maintained, the convenience of the maintenance operation of the overall structure of the pantograph by the staff is improved, and the service life of the pantograph is improved and the use safety of the overall sliding plate on the pantograph is improved.

[0014] 2. When the pantograph is used, through the pantograph lifting process, compressed air will enter the transmission cylinder evenly through the electric air valve, the cylinder piston compresses the pantograph lowering spring in the cylinder, at this time the pantograph lifting spring lower arm lever rotates, lifts the upper frame and the slide plate, the pantograph will be lifted at a uniform speed, and when approaching the contact line, a temporary slow stop will occur, and then quickly contact the contact line. For the pantograph lowering process, the compressed air in the transmission cylinder is quickly discharged to the atmosphere through the pantograph buffer valve, and under the action of the pantograph lowering spring, the force of the pantograph lifting spring is overcome, so that the pantograph quickly descends and separates from the catenary.

[0015] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned from practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of the main body of the utility model;

[0017] Figure 2 is a schematic diagram of the three-dimensional structure of the slide plate of the utility model;

[0018] Figure 3 is a schematic diagram of the three-dimensional structure of the disassembly assembly of the utility model;

[0019] Figure 4 is a schematic diagram of the three-dimensional structure of the limiting assembly of the utility model.

[0020] In the figure: 1, support seat; 2, support insulator; 3, pantograph lifting spring; 4, push rod; 5, lower arm lever; 6, hinge seat; 7, upper frame; 8, support; 9, connecting frame; 10, connecting block; 11, mounting rod; 12, slide plate; 13, mounting bolt; 14, fixed hole; 15, air slot; 16, limiting ring; 17, fixed rod; 18, pull rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-4The utility model discloses a pantograph with safety interlocking device, including support seat 1 and connecting block 10, the bottom of support seat 1 is provided with support insulator 2, the top of support seat 1 is provided with bowing spring 3, the one end of bowing spring 3 is provided with push rod 4, the other end of bowing spring 3 is provided with lower arm lever 5, the inside of lower arm lever 5 is provided with hinge seat 6, the outside of hinge seat 6 is provided with upper frame 7, the outside of upper frame 7 is provided with support 8, the outside of support 8 is provided with connecting frame 9, the inside of connecting block 10 is provided with dismounting assembly, the inside of connecting block 10 is provided with limiting assembly.

[0023] As Figures 1-4 The utility model discloses a pantograph with safety interlocking device, including support seat 1 and connecting block 10, the bottom of support seat 1 is provided with support insulator 2, the top of support seat 1 is provided with bowing spring 3, the one end of bowing spring 3 is provided with push rod 4, the other end of bowing spring 3 is provided with lower arm lever 5, the inside of lower arm lever 5 is provided with hinge seat 6, the outside of hinge seat 6 is provided with upper frame 7, the outside of upper frame 7 is provided with support 8, the outside of support 8 is provided with connecting frame 9, the inside of connecting block 10 is provided with dismounting assembly, the inside of connecting block 10 is provided with limiting assembly.

[0024] As Figures 1-4 The utility model discloses a pantograph with safety interlocking device, including support seat 1 and connecting block 10, the bottom of support seat 1 is provided with support insulator 2, the top of support seat 1 is provided with bowing spring 3, the one end of bowing spring 3 is provided with push rod 4, the other end of bowing spring 3 is provided with lower arm lever 5, the inside of lower arm lever 5 is provided with hinge seat 6, the outside of hinge seat 6 is provided with upper frame 7, the outside of upper frame 7 is provided with support 8, the outside of support 8 is provided with connecting frame 9, the inside of connecting block 10 is provided with dismounting assembly, the inside of connecting block 10 is provided with limiting assembly.

[0025] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A pantograph with safety interlocking device, comprising a supporting seat (1) and a connecting block (10), characterized in that, The bottom of the support seat (1) is provided with a support insulator (2), the upper part of the support seat (1) is provided with an arch spring (3), one end of the arch spring (3) is provided with a push rod (4), the other end of the arch spring (3) is provided with a lower arm rod (5), the inside of the lower arm rod (5) is provided with a hinge seat (6), the outside of the hinge seat (6) is provided with an upper frame (7), the outside of the upper frame (7) is provided with a support (8), the outside of the support (8) is provided with a connecting frame (9), the inside of the connecting block (10) is provided with a disassembly assembly, the inside of the connecting block (10) is provided with a limiting assembly.

2. A pantograph with a safety interlock device according to claim 1, characterized in that, The disassembly assembly comprises an installation rod (11) arranged in the connecting block (10), a sliding plate (12) is arranged at the top end of the installation rod (11), a mounting bolt (13) is arranged outside the connecting block (10), and a fixing hole (14) is arranged in the outer wall of the installation rod (11).

3. A pantograph with a safety interlock device according to claim 1, characterized in that, The limiting assembly comprises an empty slot (15) arranged in the connecting block (10), a limiting ring (16) is arranged in the empty slot (15), a fixing rod (17) is arranged in the limiting ring (16), and a pulling rod (18) is arranged at one end of the fixing rod (17).

4. A pantograph with a safety interlock device according to claim 2, characterized in that, The connecting block (10) and the installation rod (11) are in sliding connection, and the installation rod (11) and the mounting bolt (13) are in threaded connection.

5. A pantograph with a safety interlock according to claim 2, characterized in that, The installation rod (11) is arranged in two groups, and the installation rod (11) is symmetrically arranged with the central axis of the support (8) as the center.

6. A pantograph with a safety interlock device according to claim 2, characterized in that, The installation rod (11) and the connecting block (10) are arranged in parallel with each other, and the installation rod (11) and the support (8) are arranged perpendicular to each other.

7. A pantograph with a safety interlock according to claim 3, characterized in that, The limiting ring (16) and the fixing rod (17) are in sliding connection, and a telescopic spring is arranged at one end of the fixing rod (17).

Images