CN107284467A - A kind of support meanss component - Google Patents

Abstract

The invention discloses a kind of support meanss component, including bottom plate, the bottom plate two ends offer location and installation hole；The rubber parts of middle part arc concave shape is provided with the bottom plate；The rubber parts top surface is provided with end plate；The fore-set protruded from inside to outside is installed in the middle part of the end plate；The bottom plate and end plate are made up of Q345 steel.The support meanss component of the present invention, its bottom plate and end plate are made up of Q345 steel, and its chemical composition disclosure satisfy that requirement, and rubber uses natural rubber, by the way that the independent test of rubber parts and black box are installed and tested, it is ensured that it disclosure satisfy that application demand.

Description

A kind of support meanss component

Technical field

The present invention relates to a kind of tramcar component, and in particular to a kind of support meanss component, belongs to tramcar component Technical field.

Background technology

With the continuous expansion continued to increase with city size of urban population, original public transport pattern can not expire The need for sufficient urban development, urban transportation is to development in pluralism, and novel environment friendly tramcar system is just pushed away by each big city Extensively use；The system uses Embedded Track desigh, can be achieved and ground automobile, the advantages of mixing up current of pedestrian；Rail The coupler and draft gear of electric car be electric rail car it is most basic be also one of most important part, positioned at locomotive and vehicle or vehicle with Between vehicle, for realizing that mutually interconnection is hung, transmit tractive force or compression stress and relax the part of impact of collision；The hitch of China by Gib head, hook body and the part of hook tail three composition, gib head push away the part such as iron and dead bolt pin built with hook bolt, coupler knuckle lock, hook bolt；Typically Hitch is made up of cast steel, and the connection profile with standard, mutually to interconnect extension；Used hitch is equal at present in China railways For automatic car coupler, that is, hook shadoof is being pulled with regard to uncoupling action can be completed, just can the company's of being automatically performed extension when two car low speed are mutually collided Action；The low floor vehicles such as tramcar are one of its important components with the rubber device of coupler and draft gear, therefore, right Rubber device requires high, and general rubber device can not meet requirement.

The content of the invention

To solve the above problems, the present invention proposes a kind of support meanss component, its bottom plate and end plate are made up of Q345 steel, Its chemical composition disclosure satisfy that requirement, and rubber uses natural rubber, by being installed to the independent test of rubber parts and black box Test, it is ensured that it disclosure satisfy that application demand.

The support meanss component of the present invention, including bottom plate, the bottom plate two ends offer location and installation hole；On the bottom plate It is provided with the rubber parts of middle part arc concave shape；The rubber parts top surface is provided with end plate；It is provided with the middle part of the end plate by introversion The fore-set of outer protrusion；The bottom plate and end plate are made up of Q345 steel.

As preferred embodiment, indent radian is R300mm in the middle part of the rubber parts.

As preferred embodiment, the cambered upper cladding face for R2.5mm is set at the top of the rubber parts；The rubber Glue part bottom sets the cambered lower cladding face for R2.5mm.

As preferred embodiment, the rubber parts is made up of natural rubber for main body.

As preferred embodiment, bottom plate and the end plate exposed surface brushes red anticorrosive paint.

Further, its requirement of the rubber parts is as follows：75 ± 3 ° of Sha of hardness, tensile strength >=14.7Mpa is pulled apart and stretched Long rate >=250%；Fire-retardant S4.

Further, its requirement of the rubber parts is as follows, and heat aging performance requires as follows under 70 DEG C × 96h environment：Firmly Degree≤8 ° of Sha of change, elongation at break rate of change >=-20%, tensile strength rate of change >=-20%.

Further, its requirement of the rubber parts is as follows, compression set rate（70 DEG C × 24h, 25%）≤20%.

Further, described its forces testing of support meanss component is as follows：

Surely compression test is carried：Plumb load 0 ~ 10kN load, vertical 5 ± 15%mm of deflection deformation；Vertical stiffness is tested：It is vertical to add Load 0 ~ 60mm displacements, pressurize one minute, rubber must not be ftractureed, and rubber must not be peeled off with metal, and calculate 0 ~ 50mm secants section Rigidity, it is desirable to 0.7 ± 15%kN/mm；Lateral stiffness is tested：Vertical loading 10kN load, horizontal 0 ~ 30mm of load deflection, and remember Record rigidity；Longitudinal rigidity is tested：Vertical loading 10kN load, longitudinal 0 ~ 20mm of load deflection, and record rigidity；Vertical creep examination Test：Vertical loading 10kN, keeps the constant holding 96h of load, and creep is not more than 3mm；Radial direction fatigue test：Three are first carried out before fatigue Item stiffness test, vertical precommpression 30mm, fatigue loading ± 10mm amplitudes, frequency 2Hz, cycle-index 1,000,000 times, it is desirable to rubber It must not ftracture, rubber must not be peeled off with metal, the static rigidity value changes of product are no more than ± 15% before and after fatigue test.

Compared with prior art, support meanss component of the invention, its bottom plate and end plate are made up the present invention of Q345 steel, Its chemical composition disclosure satisfy that requirement, and rubber uses natural rubber, by being installed to the independent test of rubber parts and black box Test, it is ensured that it disclosure satisfy that application demand.

Brief description of the drawings

Fig. 1 is the positive overall structure diagram of the present invention.

Fig. 2 is the side overall structure diagram of the present invention.

Fig. 3 is the overlooking the structure diagram of the present invention.

Embodiment

Embodiment 1：

As shown in Figure 1 to Figure 3, support meanss component of the invention, including bottom plate 1, the two ends of bottom plate 1 offer location and installation Hole 2；The rubber parts 3 of middle part arc concave shape is provided with the bottom plate 1；The top surface of rubber parts 3 is provided with end plate 4；The end The middle part of plate 4 is provided with the fore-set 5 protruded from inside to outside；The plate of bottom 1 and end plate 4 are made up of Q345 steel.

In another embodiment, the middle part indent radian of rubber parts 3 is R300mm.

In another embodiment, the top of rubber parts 3 sets the cambered upper cladding face 6 for R2.5mm；The rubber parts 3 Bottom sets the cambered lower cladding face 7 for R2.5mm.

In another embodiment, the rubber parts 3 is made up of natural rubber for main body.

In another embodiment, bottom plate 1 and end plate 4 exposed surface brushes red anticorrosive paint.

Wherein, its requirement of the rubber parts is as follows：75 ± 3 ° of Sha of hardness, tensile strength >=14.7Mpa, elongation at break ≥250%；Fire-retardant S4.

Wherein, its requirement of the rubber parts is as follows, and heat aging performance requires as follows under 70 DEG C × 96h environment：Hardness becomes Change≤8 ° of Sha, elongation at break rate of change >=-20%, tensile strength rate of change >=-20%.

Wherein, its requirement of the rubber parts is as follows, compression set rate（70 DEG C × 24h, 25%）≤20%.

Wherein, described its forces testing of support meanss component is as follows：

Surely compression test is carried：Plumb load 0 ~ 10kN load, vertical 5 ± 15%mm of deflection deformation；Vertical stiffness is tested：It is vertical to add Load 0 ~ 60mm displacements, pressurize one minute, rubber must not be ftractureed, and rubber must not be peeled off with metal, and calculate 0 ~ 50mm secants section Rigidity, it is desirable to 0.7 ± 15%kN/mm；Lateral stiffness is tested：Vertical loading 10kN load, horizontal 0 ~ 30mm of load deflection, and remember Record rigidity；Longitudinal rigidity is tested：Vertical loading 10kN load, longitudinal 0 ~ 20mm of load deflection, and record rigidity；Vertical creep examination Test：Vertical loading 10kN, keeps the constant holding 96h of load, and creep is not more than 3mm；Radial direction fatigue test：Three are first carried out before fatigue Item stiffness test, vertical precommpression 30mm, fatigue loading ± 10mm amplitudes, frequency 2Hz, cycle-index 1,000,000 times, it is desirable to rubber It must not ftracture, rubber must not be peeled off with metal, the static rigidity value changes of product are no more than ± 15% before and after fatigue test.

The support meanss component of the present invention, its bottom plate and end plate are made up of Q345 steel, and its chemical composition disclosure satisfy that requirement, And rubber uses natural rubber, by the way that the independent test of rubber parts and black box are installed and tested, it is ensured that it disclosure satisfy that application Demand.

Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (9)

1. a kind of support meanss component, it is characterised in that：Including bottom plate, the bottom plate two ends offer location and installation hole；It is described The rubber parts of middle part arc concave shape is provided with bottom plate；The rubber parts top surface is provided with end plate；It is provided with the middle part of the end plate The fore-set protruded from inside to outside；The bottom plate and end plate are made up of Q345 steel.

2. support meanss component according to claim 1, is further characterized in that：Indent radian is in the middle part of the rubber parts R300mm。

3. support meanss component according to claim 1, is further characterized in that：Setting is cambered at the top of the rubber parts is R2.5mm upper cladding face；The rubber parts bottom sets the cambered lower cladding face for R2.5mm.

4. support meanss component according to claim 1, is further characterized in that：The rubber parts is by natural rubber main body structure Into.

5. support meanss component according to claim 1, is further characterized in that：Bottom plate and the end plate exposed surface is brushed red Color anticorrosive paint.

6. support meanss component according to claim 1, is further characterized in that：Its requirement of the rubber parts is as follows：Hardness 75 ± 3 ° of Sha, tensile strength >=14.7Mpa, elongation at break >=250%；Fire-retardant S4.

7. support meanss component according to claim 6, is further characterized in that：Its requirement of the rubber parts is as follows, 70 DEG C × 96h environment under heat aging performance require it is as follows：Firmness change≤8 ° Sha, elongation at break rate of change >=-20%, stretching is strong Spend rate of change >=-20%.

8. support meanss component according to claim 6, is further characterized in that：Its requirement of the rubber parts is as follows, compression Permanent set（70 DEG C × 24h, 25%）≤20%.

9. support meanss component according to claim 1, is further characterized in that, described its forces testing of support meanss component It is as follows：

Surely compression test is carried：Plumb load 0 ~ 10kN load, vertical 5 ± 15%mm of deflection deformation；Vertical stiffness is tested：It is vertical to add Load 0 ~ 60mm displacements, pressurize one minute, rubber must not be ftractureed, and rubber must not be peeled off with metal, and calculate 0 ~ 50mm secants section Rigidity, it is desirable to 0.7 ± 15%kN/mm；Lateral stiffness is tested：Vertical loading 10kN load, horizontal 0 ~ 30mm of load deflection, and remember Record rigidity；Longitudinal rigidity is tested：Vertical loading 10kN load, longitudinal 0 ~ 20mm of load deflection, and record rigidity；Vertical creep examination Test：Vertical loading 10kN, keeps the constant holding 96h of load, and creep is not more than 3mm；Radial direction fatigue test：Three are first carried out before fatigue Item stiffness test, vertical precommpression 30mm, fatigue loading ± 10mm amplitudes, frequency 2Hz, cycle-index 1,000,000 times, it is desirable to rubber It must not ftracture, rubber must not be peeled off with metal, the static rigidity value changes of product are no more than ± 15% before and after fatigue test.