阅读说明：本技术 一种气囊式受电弓上臂与气囊式受电弓 (A kind of gasbag-type pantograph upper arm and gasbag-type pantograph ) 是由 于金朋 黄思俊 徐玉峰 张东远 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种气囊式受电弓上臂与气囊式受电弓,包括主支承臂与气路元件；所述的主支承臂包括中心轴(3)、纵支柱(4)与支撑臂(5)；所述的中心轴(3)为空心圆管,所述的纵支柱(4)为空心圆锥管,纵支柱(4)直径大的一端与中心轴(3)中部相贯固定连接；纵支柱(4)直径小的一端与支撑臂(5)中部相贯固定连接；所述的气路元件包括第一气路接头(11)、第二气路接头(13)与气动管路(12)；所述的第一气路接头(11)设于所述的中心轴(3)中部,所述的第二气路接头(13)设于所述的支撑臂(5)中部,所述的气动管路(12)设于纵支柱(4)内孔中连接并连通第一气路接头(11)与第二气路接头(13)。采用新的焊接结构,该结构简单、紧凑,极大的降低了气动管路机械和老化损伤的故障率,提高了受电弓的可靠性。(The invention discloses a kind of gasbag-type pantograph upper arm and gasbag-type pantograph, including main supporting arm and air path elements；The main supporting arm includes central axis (3), vertical pillar (4) and support arm (5)；The central axis (3) is hollow circular-tube, and the vertical pillar (4) is open circles Taper Pipe, mutually passes through and is fixedly connected in the middle part of the big one end of vertical pillar (4) diameter and central axis (3)；It mutually passes through and is fixedly connected in the middle part of the small one end of vertical pillar (4) diameter and support arm (5)；The air path elements include the first gas path joint (11), the second gas path joint (13) and pneumatic line (12)；First gas path joint (11) is set in the middle part of the central axis (3), second gas path joint (13) is set in the middle part of the support arm (5), and the pneumatic line (12) is set in vertical pillar (4) inner hole and is connected to and in communication with the first gas path joint (11) and the second gas path joint (13).Using new welding structure, the structure is simple, compact, greatly reduces the failure rate of pneumatic line machinery and Aging Damage, improves the reliability of pantograph.)

1. a kind of gasbag-type pantograph upper arm, it is characterised in that: including main supporting arm and air path elements；The main supporting arm packet Include central axis (3), vertical pillar (4) and support arm (5)；The central axis (3) is hollow circular-tube, and the vertical pillar (4) is Open circles Taper Pipe, the big one end of vertical pillar (4) diameter and central axis (3) middle part are mutually passed through and are fixedly connected；Vertical pillar (4) diameter is small It mutually passes through and is fixedly connected in the middle part of one end and support arm (5)；

The air path elements include the first gas path joint (11), the second gas path joint (13) and pneumatic line (12)；Described First gas path joint (11) is set in the middle part of the central axis (3), and second gas path joint (13) is set to the support In the middle part of arm (5), the pneumatic line (12), which is set in vertical pillar (4) inner hole, is connected to and in communication with the first gas path joint (11) and the Two gas path joints (13).

2. gasbag-type pantograph upper arm according to claim 1, which is characterized in that be equipped in the middle part of the central axis (3) First gas path joint mounting base (8), first gas path joint (11) are fixed in the first gas path joint mounting base (8).

3. gasbag-type pantograph upper arm according to claim 1, which is characterized in that be equipped in the middle part of the support arm (5) Second gas path joint mounting base (9), second gas path joint (13) are fixed in the second gas path joint mounting base (9).

4. gasbag-type pantograph upper arm according to claim 3, which is characterized in that package in the middle part of the support arm (5) Pulling plate (10) is mutually passed through by pulling plate (10) one end small with vertical pillar (4) diameter and is fixedly connected；The second gas path joint peace Dress seat (9) is fixed on pulling plate (10).

5. gasbag-type pantograph upper arm according to claim 1,2,3 or 4, which is characterized in that the central axis (3) two An axle bed (2) is respectively symmetrically fixed at end, and axle bed (2) connects the shaft (16) of the lower arm of gasbag-type pantograph.

6. gasbag-type pantograph upper arm according to claim 5, which is characterized in that first in the middle part of the central axis (3) Gas path joint (11) two sides are respectively fixed with arm plate (1).

7. gasbag-type pantograph upper arm according to claim 1,2,3 or 4, which is characterized in that the support arm (5) is U-shaped, both ends are fixedly connected with cross pipe (6) both ends, and upper cross pipe (6) axis is parallel with central axis (3) axis.

8. gasbag-type pantograph upper arm according to claim 7, which is characterized in that close at upper cross pipe (6) both ends Conductive plate (7) are symmetrically respectively equipped in vertical pillar (4).

9. a kind of gasbag-type pantograph, which is characterized in that using according to claim 1 to gasbag-type described in 8 any one by Pantograph upper arm.

Technical field

The present invention relates to mechanical structure fields, more particularly, to the gasbag-type pantograph upper arm and gas in fresh air purification device Bellows pantograph.

Background technique

Gasbag-type pantograph is currently widely used in electrified track vehicular traffic and is flowed, and is equipped with automatic drop system ADD (Auto Drop Device) mainly includes the components such as chassis, lower arm, lower guide rod, upper arm, top guide bar and bow.

The upper arm of pantograph is connect with bow, lower guide rod and lower arm, forms lifting bow linkwork, it is desirable that have centainly Lateral stiffness, torsional rigidity and intensity requirement, high speed pantograph upper arm also require upper arm have good aerodynamics and Bow net vibration characteristics.Automatic bow-lowering system is to realize to control by pneumatic element, the automatic bow-lowering system of bow and chassis Each pneumatic element needs to connect by pneumatic line.Here pneumatic line is in industry generally called " ADD air hose ".

This section of pneumatic line of bow and lower arm section only passes through in view of the limitation of prior art upper arm structure feature Mechanical fixing means (such as nylon cable tie, clip) be fixed on upper arm or on lead outside, these pneumatic lines are because of external environment The influence (such as foreign matter impact, pneumatic load, environment temperature, ultraviolet light) of factor it occur frequently that damaged be even broken, cause by Pantograph exception automatic bow-lowering, influences the running order of rail vehicle.

Summary of the invention

The object of the present invention is to provide a kind of gasbag-type pantograph upper arm and gasbag-type pantograph, using new welding knot Structure, the structure is simple, compact, has good aerodynamics and bow net coupled vibrations characteristic, while also possessing lateral stiffness The advantages that height, anti-torsion are good, and intensity is reliable, and its structure feature is utilized, pneumatic line is hidden formula design, is placed in Inside upper arm, the failure rate of pneumatic line machinery and Aging Damage is greatly reduced, improves the reliability of pantograph.

The purpose of the present invention is what is be achieved through the following technical solutions:

A kind of gasbag-type pantograph upper arm, including main supporting arm and air path elements；

The main supporting arm includes central axis 3, vertical pillar 4 and support arm 5；The central axis 3 is hollow circular-tube, institute The vertical pillar 4 stated is open circles Taper Pipe, and the big one end of vertical 4 diameter of pillar is mutually passed through with 3 middle part of central axis and is fixedly connected；Vertical pillar 4 The small one end of diameter is mutually passed through with 5 middle part of support arm and is fixedly connected；

The air path elements include the first gas path joint 11, the second gas path joint 13 and pneumatic line 12；Described One gas path joint 11 is set to 3 middle part of central axis, and second gas path joint 13 is set to 5 middle part of support arm, The pneumatic line 12 is set in vertical 4 inner hole of pillar and is connected to and in communication with the first gas path joint 11 and the second gas path joint 13.

The first gas path joint mounting base 8 is equipped in the middle part of the central axis 3, first gas path joint 11 is fixed on the In one gas path joint mounting base 8.

The second gas path joint mounting base 9 is equipped in the middle part of the support arm 5, second gas path joint 13 is fixed on the In two gas path joint mounting bases 9.

Pulling plate 10 is wrapped up in the middle part of the support arm 5, and fixed company is mutually passed through by the one end small with vertical 4 diameter of pillar of pulling plate 10 It connects；The second gas path joint mounting base 9 is fixed on pulling plate 10.

An axle bed 2 is respectively symmetrically fixed at 3 both ends of central axis, and axle bed 2 connects the lower arm of gasbag-type pantograph Shaft 16.

3 middle part 11 two sides of the first gas path joint of central axis are respectively fixed with arm plate 1.

The support arm 5 be it is U-shaped, both ends are fixedly connected with 6 both ends of cross pipe, and 6 axis of upper cross pipe and central axis 3 Axis is parallel.

6 both ends of upper cross pipe are symmetrically respectively equipped with conductive plate 7 about vertical pillar 4.

A kind of gasbag-type pantograph, using above-mentioned gasbag-type pantograph upper arm.

As seen from the above technical solution provided by the invention, a kind of gasbag-type pantograph provided in an embodiment of the present invention Upper arm and gasbag-type pantograph, using new welding structure, the structure is simple, compact, has good aerodynamics and bow Net coupled vibrations characteristic, while also possessing the advantages that lateral stiffness is high, anti-torsion is good, and intensity is reliable, and special using its structure Pneumatic line is hidden formula design, is placed in inside upper arm, greatly reduces pneumatic line machinery and Aging Damage by sign Failure rate, improve the reliability of pantograph.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is the schematic view of the front view of gasbag-type pantograph upper arm provided in an embodiment of the present invention；

Fig. 2 is the overlooking structure diagram of gasbag-type pantograph upper arm provided in an embodiment of the present invention；

Fig. 3 is the left view structural representation of gasbag-type pantograph upper arm provided in an embodiment of the present invention；

Fig. 4 is that the first gas path joint mounting base of gasbag-type pantograph upper arm provided in an embodiment of the present invention installs signal Figure；

Fig. 5 is structural schematic diagram at the axle bed of gasbag-type pantograph upper arm provided in an embodiment of the present invention.

Specific embodiment

With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, belongs to protection scope of the present invention.

The embodiment of the present invention is described in further detail below in conjunction with attached drawing.