CN208698786U - A kind of monoblock type axle box - Google Patents

Abstract

The utility model discloses a kind of monoblock type axle boxes, including bogie frame, the inner cavity of the bogie frame is provided with the rubber parts for damping, rigid retainer is provided in the rubber parts, bearing is provided in the retainer, wherein: offering the mounting hole being conducted on the bogie frame and the rubber parts, the mounting hole front end is communicated with outside and the mounting hole rear end is communicated with the retainer, the angle of the mounting hole and vertical line is -45 ° to+45 °, is inserted with compound sensor in the mounting hole.The monoblock type axle box is designed by its structure, can effectively realize the installation of compound sensor, it is ensured that axle box bearing temperature, the available real-time monitoring of shock and vibration.

Description

A kind of monoblock type axle box

Technical field

The utility model relates to field of track traffic, more specifically, in particular to a kind of monoblock type axle box.

Background technique

With the progress of Chinese science and technology, Chinese rail traffic has obtained quick development.Rail traffic is a kind of with fortune Amount is big, speed is fast, safety, on schedule, protection environment, energy saving and land used the features such as mode of transportation, referred to as " rail friendship ", including Subway, light rail, magnetic suspension, administrative region of a city railway, tramcar, new traffic system etc..Rail traffic is generally by track routes, vehicle Stand, vehicle, Maintenance and Repair base, for power transformation, signal of communication, command and control center etc. form.In rail traffic implementation process, it is Guarantee the safety of each route, station, tunnel, the power supply of vehicle, communication and fire-fighting system, in Rail Transit System through frequently with Electronic computer processing technique by core various automation equipments to replace manual control, thus further expansion track friendship Logical degree of intelligence.

On rail traffic vehicles, for preferably realize wheel to and bogie frame connection, while preferably by car body Weight and load transmission reduce friction to wheel pair, reduce running resistance, and wheel is special to being often provided between bogie frame Axle box.When vehicle is run, since vehicle to run speed generally compares comparatively fast, axle box it is easy to appear temperature excessively high, vibratory impulse The failures such as excessive, therefore, the position inside axle box close to bearing are often equipped with special compound sensor for measuring bearing Temperature, shock and vibration situation.

In practical operation, since the structure of axle box of many vehicles is more special, axle box and bogie frame are integral types Structure, bogie frame and axle box are an entirety, not as common vehicle structure by bogie frame and axle box point It is not independent, it is very small so as to cause installation space in this kind of monoblock type axle box, it cannot achieve at all using conventional installation method The installation of sensor is unable to monitor so as to cause axle box inner bearing temperature, shock and vibration, significantly impacts the normal fortune of vehicle Row.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of monoblock type axle box, which passes through its structure Design, can effectively realize the installation of sensor, it is ensured that axle box bearing temperature, the available real-time monitoring of shock and vibration.

A kind of monoblock type axle box, including bogie frame, the inner cavity of the bogie frame are provided with the rubber for damping Glue part is provided with rigid retainer in the rubber parts, is provided with bearing in the retainer, in which: the steering structure The mounting hole being conducted is offered on frame and the rubber parts, the mounting hole front end is communicated with outside and the mounting hole rear end It is communicated with the retainer, the angle of the mounting hole and vertical line is -45 ° to+45 °, is inserted in the mounting hole compound Sensor.

Preferably, specified gap and the composite sensing are provided between the compound sensor front end and the retainer Device rear end extends to outside.

Preferably, the angle of the mounting hole and vertical line is -30 ° to+30 °.

Preferably, the retainer is metal material retainer.

Preferably, the mounting base towards the mounting hole direction is provided on the retainer, the mounting base is used for institute State the installation and limit of compound sensor.

Preferably, the mounting base is horn-like mounting base or cylindric mounting base.

Preferably, destressing hole is evenly equipped on the rubber parts.

The beneficial effects of the utility model are: the monoblock type axle box provided by the utility model is by bogie frame, rubber Part, retainer, bearing are constituted, and offer the mounting hole being conducted on bogie frame and rubber parts, mounting hole and vertical line Angle is -45 ° to+45 °, and compound sensor is inserted in mounting hole, meanwhile, show the supporting region of bearing in axis after study It holds in 45 ° of regions of vertical line or so, in this way, the parameters such as the temperature of this programme middle (center) bearing, shock and vibration can pass through rigidity Retainer is accurately and directly transferred to compound sensor, effectively ensures the normal operation of vehicle.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 is the top view of monoblock type axle box disclosed in the utility model embodiment；

Fig. 2 is the sectional view along A-A of monoblock type axle box disclosed in the utility model embodiment；

Fig. 3 is enlarged diagram at mounting base disclosed in the utility model embodiment.

Specific embodiment

In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.

Based on the embodiment in the application, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that, the orientation of instructions such as term " front end ", " rear end ", "vertical" or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.

Referring to Fig. 1 to Fig. 3, Fig. 1 to Fig. 3 provides a kind of specific embodiment of monoblock type axle box of the utility model, wherein Fig. 1 is the top view of monoblock type axle box disclosed in the utility model embodiment；Fig. 2 is disclosed in the utility model embodiment The sectional view along A-A of monoblock type axle box, Fig. 3 are enlarged diagram at mounting base disclosed in the utility model embodiment.

As depicted in figs. 1 and 2, the integrated shaft case provided by the utility model includes bogie frame 1, and rubber parts 2 is protected Hold frame 3, bearing 4, mounting hole 5, compound sensor 6.

In the present solution, bogie frame 1 is the main body supporting structure of the monoblock type axle box, the shape one of bogie frame 1 As be integrally formed for conventional bogie and traditional axle box, that is to say, that conventional bogie and tradition axle box are formed a whole.

The inner cavity of bogie frame 1 is provided with the rubber parts 2 for damping, and rubber parts 2 is for slowing down outer wheels to passing through The vibration that shaft, the transmitting of bearing 4 come.

Specifically, rubber parts 2 can be an entirety, be also possible to be made of two semicircle rubber parts.In installation, rubber Glue part 2 is typically in the state for being diverted the compression of framework frame 1, to preferably alleviate vibratory impulse.

It is provided with rigid retainer 3 in rubber parts 2, is provided with bearing 4 in retainer 3.Retainer 3 is used for the branch of bearing Support is fixed, and the shaft of outer wheels pair is generally inserted in bearing 4.It specifically, is the intensity for guaranteeing retainer 3 itself, while side Just other inter-agency rigid connections, retainer 3 are generally preferred to metal material retainer.In addition, retainer 3 is either one A entirety is also possible to be construed as by two semicircle retainer groups.

In the present solution, offer the mounting hole 5 being conducted on bogie frame 1 and rubber parts 2,5 front end of mounting hole and outer Portion communicates and 5 rear end of mounting hole is communicated with retainer 3, and the angle a of mounting hole 5 and vertical line L are -45 ° to+45 °.

Specifically, the simulation analysis calculating and several experiments carried out according to applicant, it has been found that bearing 4 is held Area is carried in 4 vertical line of bearing or so, 45 ° of regions.Therefore, the angle of mounting hole 5 and vertical line L are designed as -45 ° by this programme Extremely+45 ° of (45 degree of offset on the left of to vertical line L) (45 degree of offset on the right side of to vertical line L), so as to preferably improve compound biography The accuracy of data measured by sensor 6.In the present embodiment, for the monitoring for preferably realizing vibration, impact, the mounting hole 5 with The angle a of vertical line is -30 °, namely deviates 30 degree to the left side of vertical line L.

In the present solution, being inserted with compound sensor 6 in mounting hole 5.Compound sensor 6 provided in this embodiment is by being felt Temperature, fault vibration, impact may be implemented in the integral type detector probe part that component and signal processor are constituted, the compound sensor 6 Etc. the sensitivity of multiple physical quantitys, vibration, shock simulation signal and temperature digital information can be exported outward in real time, effectively realized more The compound detection and signal teletransmission of parameter.

Specifically, for preferably realize failure detection and signal outside transmitting, 6 front end of compound sensor with it is described Retainer 3 is rigidly connected and 6 rear end of the compound sensor extends to outside.Once that is, bearing break down, When causing the vibratory impulse of generalized resonance by failure, rigid retainer 3 is just only existed between compound sensor 6 and bearing 4, this When bearing fault caused by vibratory impulse can be transferred directly to compound sensor 6, and then connected by 6 rear end of compound sensor External control devices receive and monitoring.

In specific implementation, according to conventional installation method, compound sensor 6 is often in contact with rubber parts, due to rubber Glue part 2 can absorb impact vibration, in this way, conventional scheme, which frequently can lead to compound sensor 6, can not effectively measure impact vibration Problem, the mounting means of this programme compound sensor 6 is then it is possible to prevente effectively from the generation of above situation, may be implemented vibratory impulse Accurately measure.Further, since 6 rear end of compound sensor extends to outside, it therefore, can be very easily in compound biography 6 rear end connection signal transmission device of sensor.

Generally speaking, the utility model constructs a kind of completely new monoblock type axle box, composite sensing in the monoblock type axle box Device 6 uses completely different from conventional installation method, in the present solution, the parameters such as the temperature of bearing, shock and vibration can pass through The retainer 3 of rigidity is accurately and directly transferred to compound sensor 6, effectively ensures the running fault detection of vehicle.

In addition, the compound sensor 6 of this programme can be disassembled and installed easily only by sleeve barrel tool, no It is related to the disassembly of the monoblock type axle box other parts, there is preferable maintenance convenience.

In the present embodiment, for the installation for further facilitating compound sensor 6, it is preferable that be provided with court on the retainer 3 To the mounting base 7 in 5 direction of mounting hole, the mounting base 7 is used for the installation and limit of the compound sensor 6.

Specifically, mounting base 7 can be set multiple.Mounting base 7 can be fixedly connected on retainer 3 by modes such as welding On.It can be fixedly connected by screw thread between compound sensor 6 and mounting base 7.

For the shape of mounting base 7 itself, mounting base 7 is preferably horn-like mounting base or cylindric mounting base.Institute Horn-like mounting base is called, i.e. mounting base is the protrusion of trumpet type, and specifically, the bigger diameter end of trumpet type protrusion is connected with retainer 3 It connects, meanwhile, the opening angle of trumpet type protrusion is the bigger the better, and can preferably facilitate the installation and limit of compound sensor 6.Tool Body, the angle that mounting base 7 covers the big more is conducive to the reception of shock and vibration signal.Attached drawing 3 has selected horn-like installation Seat.

In addition, certain interval is typically provided between 5 inner wall of 7 outer wall of mounting base and mounting hole, in this way, can guarantee compound biography There are the spaces of relative motion between both sensor 6 and mounting base 7 and rubber parts 2.

In the present embodiment, for the buffering for further realizing stress, destressing hole is evenly equipped on the rubber parts 2.

A kind of monoblock type axle box provided by the utility model is described in detail above.It is used herein specifically A example is expounded the principles of the present invention and embodiment, and the above embodiments are only used to help understand originally The method and its core concept of utility model.It should be pointed out that for those skilled in the art, not departing from Under the premise of the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification It falls into the protection scope of the utility model claims.

Claims (7)

1. a kind of monoblock type axle box, which is characterized in that including bogie frame, the inner cavity of the bogie frame, which is provided with, to be used for The rubber parts of damping is provided with rigid retainer in the rubber parts, is provided with bearing in the retainer, in which: described The mounting hole being conducted is offered on bogie frame and the rubber parts, the mounting hole front end is communicated with outside and the peace Dress hole rear end is communicated with the retainer, and the angle of the mounting hole and vertical line is -45 ° to+45 °, the mounting hole interpolation Equipped with compound sensor.

2. monoblock type axle box according to claim 1, which is characterized in that the compound sensor front end and the retainer Between be provided with specified gap and the compound sensor rear end extends to outside.

3. monoblock type axle box according to claim 1, which is characterized in that the angle of the mounting hole and vertical line is -30 ° To+30 °.

4. monoblock type axle box according to claim 1, which is characterized in that the retainer is metal material retainer.

5. monoblock type axle box according to claim 1, which is characterized in that be provided on the retainer towards the installation The mounting base in hole direction, the mounting base are used for the installation and limit of the compound sensor.

6. monoblock type axle box according to claim 5, which is characterized in that the mounting base is horn-like mounting base or cylinder Shape mounting base.

7. monoblock type axle box according to claim 1, which is characterized in that be evenly equipped with destressing hole on the rubber parts.