阅读说明：本技术 一种闸片托跟随防偏磨机构及具有其的制动装置 (Brake pad support following eccentric wear prevention mechanism and brake device with same ) 是由 吴佩芳 吴鹏 张舒 王春雨 马士猛 程光华 于 2021-07-22 设计创作，主要内容包括：本发明涉及动车制动装置技术领域,具体涉及一种闸片托跟随防偏磨机构及具有其的制动装置。闸片托跟随防偏磨机构,安装在吊架和一对闸片托之间,一对闸片托对称安装在吊架两侧,包括：滑轨,设置在吊架上；一对拉杆本体,交叉设置,拉杆本体与闸片托一一对应安装,拉杆本体一端固定安装在闸片托上,另一端垂直安装有转轴,转轴滑动安装在滑轨内且与滑轨转动配合,一对拉杆本体均为呈Z型的三段杆,一对拉杆本体的中间一段相互平行且上下抵接设置。通过设置一对交叉的Z型的拉杆本体,使得闸片托自由状态时的上下错位移动被拉杆本体限制,使得其应用在制动夹钳上时,闸片与制动盘之间不会发生偏磨,降低噪声、变形等状况发生的概率。(The invention relates to the technical field of bullet train braking devices, in particular to a brake pad support following eccentric wear prevention mechanism and a braking device with the brake pad support following eccentric wear prevention mechanism. The brake lining holds in the palm follows and prevents eccentric wear mechanism, installs between gallows and a pair of brake lining support, and a pair of brake lining holds in the palm the symmetry and installs in the gallows both sides, include: the sliding rail is arranged on the hanging bracket; the pair of pull rod bodies are arranged in a crossed mode, the pull rod bodies and the brake pad supports are installed in a one-to-one corresponding mode, one end of each pull rod body is fixedly installed on the brake pad supports, the rotating shaft is installed at the other end of each pull rod body perpendicularly, the rotating shafts are installed in the sliding rails in a sliding mode and are in running fit with the sliding rails, the pair of pull rod bodies are three sections of rods in a Z shape, and one section of the middle of each pull rod body is parallel to each other and is in butt joint with the corresponding brake pad support from top to bottom. Through the arrangement of the pair of crossed Z-shaped pull rod bodies, the brake pad support is limited by the pull rod bodies in the vertical dislocation movement in the free state, so that eccentric wear cannot occur between the brake pad and the brake disc when the brake pad support is applied to the brake clamp, and the probability of occurrence of conditions such as noise, deformation and the like is reduced.)

1. The utility model provides a brake lining holds in palm and follows anti-eccentric wear mechanism which characterized in that installs between gallows (1) and a pair of brake lining support (2), a pair of brake lining support (2) symmetry is installed in gallows (1) both sides include:

the sliding rail (3) is arranged on the hanging bracket (1);

a pair of pull rod body (4), cross arrangement, pull rod body (4) with brake lining support (2) one-to-one installation, pull rod body (4) one end fixed mounting be in on brake lining support (2), pivot (5) are installed perpendicularly to the other end, pivot (5) slidable mounting in slide rail (3) and with slide rail (3) normal running fit, it is a pair of pull rod body (4) are the three-section pole that is the Z type, and is a pair of one section is parallel to each other and butt setting from top to bottom in the centre of pull rod body (4).

2. The brake lining carrier following anti-eccentric mechanism according to claim 1, characterized in that the rotating shaft (5) is rotationally engaged with the pull rod body (4) through a bearing (6).

3. The brake lining carrier following anti-eccentric mechanism according to claim 1 or 2, characterized in that the pair of pull rod bodies (4) are symmetrically arranged, and the symmetry plane of the pair of pull rod bodies (4) is coincident with the symmetry plane of the pair of brake lining carriers (2).

4. The brake lining carrier following anti-eccentric mechanism according to any one of claims 1 to 3, wherein the pull rod body (4) comprises two vertical sections and one horizontal section, the two vertical sections are respectively connected to two ends of the horizontal section, the two horizontal sections are both parallel to the slide rail (3), and the two horizontal sections are in up-and-down abutting joint.

5. The brake pad carrier following anti-eccentric mechanism according to claim 4, wherein said two vertical sections are parallel to each other and said vertical sections are disposed perpendicular to said horizontal section.

6. The brake lining carrier following anti-eccentric mechanism according to claim 4, wherein the slide rail (3) is connected with the hanger (1) through a support member, and the slide rail (3) and the hanger (1) are respectively arranged at two ends of the opposite sides of the brake lining carrier (2).

7. A brake device characterized by having a brake lining carrier following anti-eccentric mechanism as claimed in any one of claims 1 to 6.

8. The braking apparatus according to claim 7, characterized by further comprising:

the brake device comprises a hanger (1), wherein a pair of brake levers (8) are symmetrically arranged on two sides of the hanger (1), and the brake levers (8) are in rotating fit with the hanger (1);

the brake pad supports (2) are respectively provided with the end parts of the two brake levers (8), and brake pad bodies are respectively arranged on the opposite surfaces of the brake pad supports (2);

and two ends of the brake cylinder are fixedly connected with one side of the brake pad holder (2) based on the principle of the pair of brake levers (8) respectively.

Technical Field

The invention relates to the technical field of bullet train braking devices, in particular to a brake pad support following eccentric wear prevention mechanism and a braking device with the brake pad support following eccentric wear prevention mechanism.

Background

The four-point hanging type brake clamp has the advantages that the posture of the brake pad support cannot be restricted with a bogie and is influenced by vibration and impact, the brake pad support is easy to rotate around a pin shaft, the posture that the left brake pad support and the right brake pad support are not parallel to a brake disc can be displayed, the brake pad is worn eccentrically and damaged finally, the service life of the brake pad is shortened, and the brake performance is influenced. And the brake pad holder can reduce the stability of the clamp in the freely rotating under-constrained state, is easy to collide with other related parts, generates noise and deformation, and reduces the service life of the brake pad and the related parts.

In the prior art, two brake pad supports are connected through a pair of connecting rods arranged in a crossed manner, one end of each connecting rod is arranged on each brake pad support, and the other end of each connecting rod is arranged on a sliding rail in a sliding manner. In the braking process of the vehicle, the left brake pad support and the right brake pad support move inwards to drive the connecting rod to slide away from one end of the brake pad, so that the brake pad supports are not limited, and braking is completed. When the motor car runs, the brake pad supports are crossed and provided with connecting rods which are limited by the sliding rails, so that the two brake pad supports are symmetrical relative to the brake disc, and the brake pads are prevented from being worn eccentrically. However, in the process of the operation of the motor car, the two connecting rods operate independently, because the two connecting rods are in point contact, and the two connecting rods can interfere and collide with each other, the relative position between the two connecting rods is staggered, and the brake pad holder can be under the action force of the connecting rods when in a free state, so that the brake pad holder drives the brake pad to deflect, and the eccentric wear phenomenon still exists between the brake pad and the brake disc when braking.

Disclosure of Invention

Therefore, the invention aims to solve the technical problem of overcoming the defect that the brake pad eccentric wear prevention device in the prior art can drive the brake pad to deflect when the brake pad is in a free state so as to cause eccentric wear between the brake pad and a brake disc during braking, thereby providing the brake pad support following eccentric wear prevention mechanism.

In order to solve the above technical problem, the present invention provides a brake pad holder following anti-eccentric mechanism, which is installed between a hanger and a pair of brake pad holders, the pair of brake pad holders are symmetrically installed on two sides of the hanger, and the mechanism comprises:

the sliding rail is arranged on the hanging bracket;

the pair of pull rod bodies are arranged in a crossed mode, the pull rod bodies and the brake pad supports are installed in a one-to-one corresponding mode, one end of each pull rod body is fixedly installed on the brake pad supports, the rotating shaft is installed at the other end of each pull rod body perpendicularly, the rotating shafts are installed in the sliding rails in a sliding mode and are in running fit with the sliding rails, the pair of pull rod bodies are three sections of rods in a Z shape, and one section of the middle of each pull rod body is parallel to each other and is in butt joint with the corresponding brake pad support from top to bottom.

Optionally, the rotating shaft is rotationally engaged with the pull rod body through a bearing.

Optionally, the pair of pull rod bodies are symmetrically arranged, and a symmetry plane of the pair of pull rod bodies coincides with a symmetry plane of the pair of brake pad holders.

Optionally, the pull rod body includes two vertical sections and a horizontal segment, and two vertical sections are connected respectively at the both ends of horizontal segment, and two horizontal segments all are parallel with the slide rail, and upper and lower butt between two horizontal segments.

Optionally, the two vertical sections are parallel to each other and the vertical section is arranged perpendicular to the horizontal section.

Optionally, the sliding rail and the hanger are connected through a support member, and the sliding rail and the hanger are respectively arranged at two ends of the opposite side of the brake pad holder.

The invention also provides a braking device which is provided with the brake pad support following anti-eccentric mechanism.

Optionally, the method further comprises:

the lifting frame is provided with a pair of brake levers symmetrically arranged on two sides of the lifting frame, and the brake levers are in rotating fit with the lifting frame;

the brake pad supports are respectively provided with the end parts of the two brake levers, and brake pad bodies are respectively arranged on the opposite surfaces of the brake pad supports;

and two ends of the brake cylinder are fixedly connected with one side of the brake pad support based on the principle of a pair of brake levers respectively.

The technical scheme of the invention has the following advantages:

1. the invention provides a brake pad support following eccentric wear prevention mechanism, which is arranged between a hanger and a pair of brake pad supports, wherein the pair of brake pad supports are symmetrically arranged at two sides of the hanger, and the brake pad support following eccentric wear prevention mechanism comprises: the sliding rail is arranged on the hanging bracket; the pair of pull rod bodies are arranged in a crossed mode, the pull rod bodies and the brake pad supports are installed in a one-to-one corresponding mode, one end of each pull rod body is fixedly installed on the brake pad supports, the rotating shaft is installed at the other end of each pull rod body perpendicularly, the rotating shafts are installed in the sliding rails in a sliding mode and are in running fit with the sliding rails, the pair of pull rod bodies are three sections of rods in a Z shape, and one section of the middle of each pull rod body is parallel to each other and is in butt joint with the corresponding brake pad support from top to bottom.

Form double crank connecting rod structure between two pull rod bodies, two brake lining supports and the slide rail, be in free state when the brake lining holds in the palm, the brake lining holds in the palm when the trend that produces the up-and-down motion because fixed connection between pull rod body and the brake lining support, and mutual butt between two pull rod bodies for the motion of brake lining support is restricted, makes and can remain the gesture of mutual symmetry between two brake lining supports throughout. When the brake lining holds in the palm the motion of being close to each other, because the one end that the brake lining held in the palm is kept away from to the pull rod body can slide and rotate in the slide rail for the motion that the pull rod body can not restrict being close to each other or keeping away from between the brake lining holds in the palm, makes the brake lining hold in the palm the clamp of during operating condition and unclamp the action and can not be restricted. Through setting up the pull rod body of a pair of criss-cross Z type to guarantee when the brake lining holds in the palm is in free state, one section mutual parallelism and upper and lower butt setting in the middle of the pull rod body, make the brake lining hold in the palm upper and lower dislocation when free state and remove by the restriction of pull rod body, make when it uses on the braking clamp, can not take place the eccentric wear between brake lining and the brake disc, reduce the probability that situations such as noise, deformation take place.

2. According to the brake pad support following eccentric wear prevention mechanism provided by the invention, the rotating shaft is in rotating fit with the pull rod body through the bearing. Install the pivot on the pull rod body through the bearing for the pivot is in the roll cooperation between the slide rail, when the pivot removed in the slide rail, the pivot rolled along the lateral wall of slide rail, reduces the frictional force between pivot and the slide rail, reduces the transmission resistance, when brake lining holds in the palm operating condition, reduces the pull rod body and holds in the palm the resistance that the motion was brought to being close to each other or keeping away from to the brake lining, makes the brake lining hold in the palm the during operation action in the same direction as sliding, prevents that the brake lining from holding in the palm by the pull rod body card extremely.

3. The brake pad support following eccentric wear prevention mechanism provided by the invention has the advantages that the two vertical sections are parallel to each other, and the vertical section and the horizontal section are vertically arranged. The distance between two vertical sections is increased to the utmost extent, the rotation angle of double-crank connecting rod structure is increased, so that the transmission among the brake lining support, the pull rod body and the slide rail is smoother, no dead point is formed in the movement of the brake lining support, and the brake lining support cannot be blocked.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a brake pad holder following anti-eccentric mechanism and a brake pad holder in cooperation with each other according to a first embodiment of the present invention.

FIG. 2 is a bottom view of the brake pad holder following anti-eccentric mechanism and brake pad holder fitting structure shown in FIG. 1;

fig. 3 is a schematic structural diagram of a pair of tie rod bodies according to a first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the brake pad holder following anti-eccentric mechanism and the hanger in cooperation with each other according to the first embodiment of the present invention.

FIG. 5 is a front view of the brake pad holder following anti-eccentric mechanism and hanger mating mounting structure shown in FIG. 4.

FIG. 6 is a bottom view of the brake pad holder following anti-eccentric mechanism and hanger mating mounting structure shown in FIG. 4.

Description of reference numerals: 1. a hanger; 2. a brake pad support; 3. a slide rail; 4. a pull rod body; 5. a rotating shaft; 6. a bearing; 7. a middle support frame; 8. a brake lever; 9. a brake pad body.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1 to 6, the brake pad holder following anti-eccentric mechanism provided for this embodiment is installed between a hanger 1 and a pair of brake pad holders 2, and the pair of brake pad holders 2 are symmetrically installed on two sides of the hanger 1, including: a slide rail 3 arranged on the hanger 1 and a pair of pull rod bodies 4.

A pair of pull rod body 4 sets up alternately, and pull rod body 4 holds in the palm 2 one-to-one installation with the brake lining, and 4 one end fixed mounting of pull rod body are held in the palm on 2 the brake lining, and pivot 5 is installed perpendicularly to the other end, and pivot 5 slidable mounting just with slide rail 3 normal running fit in slide rail 3, a pair of pull rod body 4 are the three-section pole that is the Z type, and one section is parallel to each other and upper and lower butt setting in the middle of a pair of pull rod body 4.

The rotating shaft 5 is in running fit with the pull rod body 4 through a bearing 6. The pair of pull rod bodies 4 are symmetrically arranged, and the symmetrical surfaces of the pair of pull rod bodies 4 are superposed with the symmetrical surfaces of the pair of brake pad supports 2. The pull rod body 4 comprises two vertical sections and a horizontal section, the two vertical sections are connected to two ends of the horizontal section respectively, the two horizontal sections are parallel to the slide rail 3, and the two horizontal sections are connected with each other in an up-and-down abutting mode. The two vertical sections are parallel to each other and the vertical sections are perpendicular to the horizontal section.

In order to make the brake lining support follow and prevent that eccentric wear mechanism is whole more stable, be connected slide rail 3 and gallows 1 through being support piece intermediate strut 7, rotate in the both sides of intermediate strut 7 and install a pair of brake lever 8, two brake lining supports 2 are installed respectively at the tip of two brake levers 8, two brake lining supports 2 all are located the front end of intermediate strut 7, slide rail 3 is located the downside of intermediate strut 7, gallows 1 is located the upside of intermediate strut 7.

Two pull rod bodies 4, two brake lining support 2 and slide rail 3 between form the double crank connecting rod structure, hold in the palm 2 when the brake lining and be in free state, the brake lining holds in the palm 2 when the trend that produces the up-and-down motion, because fixed connection between pull rod body 4 and the brake lining support 2, and mutual butt between two pull rod bodies 4 for the motion of brake lining support 2 is restricted, makes and can keep the gesture of mutual symmetry all the time between two brake lining supports 2. When the brake lining supports 2 move close to each other, because one end of the pull rod body 4 far away from the brake lining supports 2 can slide and rotate in the slide rail 3, the pull rod body 4 can not limit the movement of the brake lining supports 2 close to each other or far away from each other, and the actions of clamping and separating the brake lining supports 2 in the working state are not limited. Through setting up the pull rod body 4 of a pair of criss-cross Z type to guarantee when the brake lining holds in the palm 2 and is in free state, one section mutual parallelism and upper and lower butt setting in the middle of pull rod body 4, make the brake lining hold in the palm the upper and lower dislocation when 2 free state and remove by pull rod body 4 restriction, make when it uses on braking clamp, can not take place the eccentric wear between brake lining and the brake disc, reduce the probability that situations such as noise, deformation take place.

Example 2

The present embodiment provides a brake device, which is a brake caliper and has the brake pad holder following anti-eccentric mechanism described in embodiment 1. Further comprising: hanger 1, brake cylinder and a pair of brake lining support 2.

A middle supporting frame 7 is arranged at the lower side of the hanger 1, a pair of brake levers 8 are symmetrically arranged at the left side and the right side of the middle supporting frame 7, and the brake levers 8 are in rotating fit with the middle supporting frame 7; the pair of brake pad supports 2 are respectively provided with the end parts of two brake levers 8, and the brake pad bodies 9 are respectively arranged on the opposite surfaces of the pair of brake pad supports 2. Two ends of the brake cylinder are respectively fixedly connected with one side of the brake pad support 2 by a pair of brake levers 8. The brake lining support is installed at the lower side of the middle support frame 7 along with the guide rail of the eccentric wear prevention mechanism, one end of the Z-shaped pull rod body 4 of the brake lining support following the eccentric wear prevention mechanism is fixedly connected with the bottom of the brake lining support 2, and the other end of the brake lining support is installed in the guide rail in a sliding mode and is in running fit with the slide rail 3.

Through installing brake lining support on braking clamp and following eccentric wear prevention mechanism, guarantee that braking clamp when operating condition and free state, the homoenergetic can only be close to each other or keep away from the motion each other under the effect of brake lever 8 by the spacing assurance brake lining of connecting rod body for can not take place the eccentric wear between brake lining and the brake disc, reduce the probability that situations such as noise, deformation take place.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.