CN219360832U - Electric arcade head of underground mine electric locomotive - Google Patents

Abstract

The utility model provides a pantograph head of an underground mine electric locomotive, which belongs to the technical field of mine rail transportation and comprises a bow frame seat arranged on a locomotive body, an arm rod assembly arranged on the bow frame seat and a pantograph head unit arranged at the top end of the arm rod assembly; the pantograph head unit comprises a pantograph bottom plate, a connecting bracket and a pantograph roller for contacting with the overhead line to take electricity; the collector bow bottom plate is arranged at the top end of the arm rod assembly; the rectangular connecting bracket is arranged on the bottom plate of the collector bow; the collector bow roller is arranged on the connecting bracket in a rolling way. The beneficial effects are as follows: the pantograph roller is arranged on the connecting support at the top end of the arm rod assembly, and has the characteristics of light weight, abrasion resistance, long service life, small abrasion to the traction wire, simple manufacturing process and the like.

Description

Electric arcade head of underground mine electric locomotive

Technical Field

The utility model relates to the technical field of mine rail transportation, in particular to a pantograph head of an underground mine electric locomotive.

Background

The pantograph is also called a pantograph, and is also called a power transmission frame, and is a generic term for equipment for an electrified railway vehicle to obtain electric power from an overhead cable, and in mine operation, electric power is supplied to an electric locomotive to transport ores, waste stones, materials, equipment, personnel, and the like. Because the electric locomotive pantograph roller and the connecting bracket need long-time operation, the abrasion of the pantograph roller, the connecting bracket and the traction wire is easy to cause, so that the service life is reduced; moreover, when the pantograph roller breaks, the pantograph roller cannot travel to a repair shop to replace the pantograph roller, and electric sparks are extremely easy to generate, so that a large potential safety hazard is caused.

The prior art discloses an bow head (application number is CN 201911203297.0) of a pantograph of an electric locomotive, which comprises a power receiving rod, a frame body, a joint, a sleeve, a supporting rod, a gasket, a bolt, a bearing and a roll shaft; the outer side of the roll shaft is sleeved with a power receiving rod, bearings are arranged on two sides of the roll shaft, the frame body and the roll shaft are connected together through bolts, a sleeve is welded on the outer side of the lower end of the frame body and used for being connected with an insulating rod, and a joint is welded on a middle rod of the supporting rod and used for receiving an electric conducting wire. The bow head of the electric locomotive pantograph is applicable to any underground rail transportation overhead electric locomotive pantograph, has low technical level requirements on workers, can ensure rolling friction between a power receiving rod and an overhead wire, reduces abrasion, and further prolongs the service life; however, the manufacturing cost is high, and the manufacturing process is complicated.

Therefore, there is a need for a low cost, long life, underground mining electric locomotive pantograph head.

Disclosure of Invention

The utility model aims to provide the pantograph head of the underground mine electric locomotive, which achieves the technical effects of low cost and long service life.

A pantograph head of an underground mine electric locomotive comprises a bow stand arranged on a locomotive body, an arm rod assembly arranged on the bow stand and a pantograph head unit arranged at the top end of the arm rod assembly;

the pantograph head unit comprises a pantograph bottom plate, a connecting bracket and a pantograph roller for contacting with the overhead line to take electricity; the collector bow bottom plate is arranged at the top end of the arm rod assembly; the rectangular connecting bracket is arranged on the bottom plate of the collector bow; the collector bow roller is arranged on the connecting bracket in a rolling way.

Further, it is preferable that the arm bar assembly includes a first arm bar assembly and a second arm bar assembly symmetrically disposed on the bracket base.

Further, the preferred structure is that the first arm assembly comprises a main arm and an auxiliary arm extending to the tail end of the main arm, and a collector bow head unit is arranged at the tail end of the auxiliary arm;

the main arm rod is connected with the auxiliary arm rod through a rotating shaft.

Further, in a preferred structure, a tensioner and an arch lifting spring are arranged on the main arm rod, one end of the tensioner is fixed on the arch frame seat, and the other end of the tensioner is connected with the main arm rod through the arch lifting spring.

Further, it is preferable that an insulating device is provided at the junction between the main arm lever and the sub arm lever.

Further, it is preferable that a diagonal brace bracket is provided on the connection bracket.

Further, it is preferable that a conductive wire for electrical conduction is provided on the pantograph base plate.

Further, it is preferable that a connection rope for pulling the sub arm so that the pantograph roller moves to the overhead line is provided on the sub arm.

Further, it is preferable that the free end of the connecting rope is disposed around the pulley at the locomotive body.

Further, it is preferable that the pantograph roller is detachably mounted on the connection bracket by a fixing screw.

As described above, the pantograph head of the underground mine electric locomotive comprises a bow frame seat arranged on a locomotive body, an arm rod assembly arranged on the bow frame seat and a pantograph head unit arranged at the top end of the arm rod assembly; the pantograph head unit comprises a pantograph bottom plate, a connecting bracket and a pantograph roller for contacting with the overhead line to take electricity; the collector bow bottom plate is arranged at the top end of the arm rod assembly; the rectangular connecting bracket is arranged on the bottom plate of the collector bow; the collector bow roller is arranged on the connecting bracket in a rolling way. The beneficial effects are as follows: the pantograph roller is arranged on the connecting support at the top end of the arm rod assembly, and has the characteristics of light weight, abrasion resistance, long service life, small abrasion to the traction wire, simple manufacturing process and the like.

Drawings

Other objects and results of the present utility model will become more apparent and readily appreciated by reference to the following description and claims in conjunction with the accompanying drawings and a more complete understanding of the utility model.

In the drawings:

fig. 1 is a schematic view of a structure of a pantograph head of an underground mining electric locomotive according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of another structure of a pantograph head of an underground mining electric locomotive according to an embodiment of the present utility model.

In the figure:

1. a bow stand seat; 2. a main arm lever; 3. a rotating shaft; 4. an insulation device; 5. a pulley; 6. a bow-lifting spring; 7. a pantograph roller; 8. stringing; 9. a connecting rope; 10. a connecting bracket; 11. a secondary arm lever; 12. a tensioner; 13. a diagonal brace bracket; 14. a collector bow bottom plate; 15. a conductive wire; 16. and (5) fixing a screw.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

It is to be understood that the terms "horizontal," "vertical," "upper," "lower," "top," "middle," "length," "inner," "bottom," and the like are merely used for convenience in describing and simplifying the description of the present utility model, and are not to be construed as limiting the present utility model, as the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly, as they may be fixed, removable, or integral, for example; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Various embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Fig. 1 illustrates the overall structure of a pantograph head of an underground mining electric locomotive. Specifically, fig. 1 is a schematic structural view of a pantograph head of an underground mining electric locomotive according to an embodiment of the present utility model. Fig. 2 is a top view of fig. 1.

As shown in fig. 1, the utility model provides a pantograph head of an underground mine electric locomotive, which comprises a bow frame seat 1 arranged on a locomotive body, an arm rod assembly arranged on the bow frame seat 1 and a pantograph head unit arranged at the top end of the arm rod assembly; the collector bow head unit comprises a collector bow bottom plate 14, a connecting bracket 10 and a collector bow roller 7 for contacting with the overhead line 8 to take electricity; the collector bow bottom plate 14 is arranged at the top end of the arm rod assembly; a rectangular connecting bracket 10 is arranged on a collector bow bottom plate 14; the pantograph roller 7 is rollingly mounted on the connecting bracket 10. The arm bar assembly comprises a first arm bar assembly and a second arm bar assembly which are symmetrically arranged on the bow stand. That is, in order to further increase the stability of the support of the pantograph head unit, the arm bar assemblies are provided as a pair of arm bar assemblies which are bilaterally symmetrical. The first arm rod assembly comprises a main arm rod 2 and a subsidiary arm rod 11 which is arranged at the tail end of the main arm rod 2 in an extending mode, and a collector bow head unit is arranged at the tail end of the subsidiary arm rod 11; the main arm lever 2 is connected with the auxiliary arm lever 11 through the rotating shaft 3. The second arm rod assembly also comprises a main arm rod 2 and a subsidiary arm rod 11 which is arranged at the tail end of the main arm rod 2 in an extending way, and a collector bow head unit is arranged at the tail end of the subsidiary arm rod 11; the main arm lever 2 is connected with the auxiliary arm lever 11 through the rotating shaft 3. Specifically speaking, the pantograph head of the underground mine electric locomotive comprises a wire 11 and a pantograph frame 1 arranged on a locomotive body, wherein the pantograph frame 1 is connected with a main arm rod 2 through a rotating shaft 3 and an auxiliary arm rod 11, a tensioner 12 and a pantograph lifting spring 6 are arranged on the main arm rod 2, an insulating device 4 is arranged on the auxiliary arm rod 11, the top end of the auxiliary arm rod 11 is connected with a pantograph bottom plate 14, two ends of the pantograph bottom plate 14 are connected with a connecting bracket 10, and a pantograph roller 7 is arranged on the connecting bracket 10. The number of the arch-lifting springs is specifically set according to the constant contact force required in the actual application scenario, and is not specifically limited herein.

In a specific embodiment, a tensioner 12 and an arch lifting spring 6 are arranged on the main arm rod 2, one end of the tensioner 12 is fixed on the arch support base 1, and the other end of the tensioner 12 is connected with the main arm rod 2 through the arch lifting spring 6.

In a specific embodiment, an insulating device 4 is provided at the junction of the main arm 2 and the auxiliary arm 11. A conductive wire 15 for electrical conduction is provided on the pantograph base plate 14.

In a specific embodiment, a connecting rope 9 for pulling the sub-arm 11 to move the pantograph roller 7 to the overhead line 8 is provided on the sub-arm 11. The free end of the connecting rope 9 is arranged at the locomotive body around the pulley 5. Specifically, the bow stand 1 and the pantograph are integrally mounted on the body of the electric locomotive, the tensioner 12 and the bow-lifting spring 6 are mounted on the main arm rod 2 through connecting rods, and the bow-lifting spring 6 can have a constant contact force in the whole working range by rotating the tensioner 12. When the pantograph roller 7 is required to contact the overhead line 8, the auxiliary arm rod 11 moves upwards under the action of the pantograph lifting spring 6 until contacting the overhead line 8 by loosening the connecting rope, so that the electric locomotive braking of a driver in a cab is realized.

In a specific embodiment, since the pantograph roller 7 is a consumable product, the pantograph roller 7 is detachably mounted on the connecting bracket 10 through the fixing screw 16, and when the pantograph roller 7 needs to be replaced, the new pantograph roller 7 is only required to be dismounted from the connecting bracket 10 through the fixing screw 16.

In a specific embodiment, in order to further increase the stability of the connection bracket 10, a diagonal brace bracket 13 is provided on the connection bracket 10.

In summary, the pantograph head of the underground mine electric locomotive comprises a bracket seat arranged on a locomotive body, an arm rod assembly arranged on the bracket seat and a pantograph head unit arranged at the top end of the arm rod assembly; the pantograph head unit comprises a pantograph bottom plate, a connecting bracket and a pantograph roller for contacting with the overhead line to take electricity; the collector bow bottom plate is arranged at the top end of the arm rod assembly; the rectangular connecting bracket is arranged on the bottom plate of the collector bow; the collector bow roller is arranged on the connecting bracket in a rolling way. The beneficial effects are as follows: the pantograph roller is arranged on the connecting support at the top end of the arm rod assembly, and has the characteristics of light weight, abrasion resistance, long service life, small abrasion to the traction wire, simple manufacturing process and the like.

However, it will be appreciated by those skilled in the art that various modifications may be made to the above-described pantograph head of an underground mining electric locomotive provided by the present utility model without departing from the teachings of the present utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. The pantograph head of the underground mine electric locomotive is characterized by comprising a bow frame seat arranged on a locomotive body, an arm rod assembly arranged on the bow frame seat and a pantograph head unit arranged at the top end of the arm rod assembly;

the pantograph head unit comprises a pantograph bottom plate, a connecting bracket and a pantograph roller for contacting with an overhead line to take electricity; the collector bow bottom plate is arranged at the top end of the arm rod assembly; the rectangular connecting bracket is arranged on the collector bow bottom plate; the pantograph roller is arranged on the connecting bracket in a rolling way.

2. A pantograph head of an underground mining electric locomotive in accordance with claim 1, wherein,

the arm bar assembly comprises a first arm bar assembly and a second arm bar assembly which are symmetrically arranged on the bow stand.

3. A pantograph head of an underground mining electric locomotive according to claim 2, wherein,

the first arm rod assembly comprises a main arm rod and an auxiliary arm rod which is arranged at the tail end of the main arm rod in an extending mode, and a collector bow head unit is arranged at the tail end of the auxiliary arm rod;

the main arm rod is connected with the auxiliary arm rod through a rotating shaft.

4. A pantograph head of an underground mining electric locomotive according to claim 3, wherein a tensioner and a pantograph lifting spring are provided on the main arm rod, one end of the tensioner is fixed on the pantograph frame seat, and the other end of the tensioner is connected with the main arm rod through the pantograph lifting spring.

5. A pantograph head of an underground mining electric locomotive according to claim 3, wherein an insulating means is provided at the junction of the main arm bar and the auxiliary arm bar.

6. A pantograph head of an underground mining electric locomotive in accordance with claim 1, wherein,

and a diagonal bracing bracket is arranged on the connecting bracket.

7. A pantograph head of an underground mining electric locomotive in accordance with claim 1, wherein,

and a conductive wire for conducting electricity is arranged on the collector bow bottom plate.

8. A pantograph head of an underground mining electric locomotive in accordance with claim 3,

and a connecting rope for pulling the auxiliary arm rod to enable the pantograph roller to move to the overhead line is arranged on the auxiliary arm rod.

9. The pantograph head of claim 8, wherein,

the free end of the connecting rope is arranged at the locomotive body by bypassing the pulley.

10. A pantograph head of an underground mining electric locomotive in accordance with claim 1, wherein,

the pantograph roller is detachably mounted on the connecting support through a fixing screw.