CN211943325U

CN211943325U - Compact braking clamp assembly convenient to connect and fasten

Info

Publication number: CN211943325U
Application number: CN202020702679.XU
Authority: CN
Inventors: 徐季祥; E·富德雷尔
Original assignee: Knorr Bremse Systems for Rail Vehicles Suzhou Co Ltd
Current assignee: Knorr Bremse Systems for Rail Vehicles Suzhou Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-17
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a compact braking clamp assembly convenient for connection and fastening, which comprises a clamp body and a shell connected with the clamp body, wherein the shell comprises an upper shell and a lower shell, the upper shell is provided with at least one first opening, the upper shell is fixedly connected with a bogie through installing a fastener in the first opening, a plurality of protective sleeves are sleeved outside the fastener, each protective sleeve comprises a first protective sleeve, and the first protective sleeve is connected with the bogie; two second protective sleeves are sleeved outside the first protective sleeve arranged in the first open hole, and a third protective sleeve is arranged between the two second protective sleeves; the third protective sheath includes outer lane and inner circle, and the pore wall contact of outer lane and first trompil, the interior anchor ring of outer lane be with the arcwall face of sphere adaptation. The utility model relates to a plurality of protective sheaths make up organically, clamp the subassembly and be connected the fastening with the bogie for clamp the subassembly and bear big brake force, not only play absorbing effect, can guarantee moreover that the second protective sheath is difficult impaired.

Description

Compact braking clamp assembly convenient to connect and fasten

Technical Field

The utility model relates to a rail transit vehicle field especially relates to a compact braking clamp subassembly convenient to connect fastening.

Background

With the rapid development of modern subways and rolling stocks, clamp brake manufacturers are under pressure of shorter and shorter delivery periods, and meanwhile, the diversity of train bogies puts more demands on the suspension mode of the clamps. The existing clamp assembly is connected with the bogie through the suspension bracket, and the suspension bracket is provided with a plurality of bolt assemblies, so that an additional device is required, the operation is complex, and the cost is increased; in the conventional connection mode, the rubber bushing bears all braking force during braking, and although the rubber bushing has a damping function, the rubber bushing has a short service life and is easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a compact braking clamp subassembly convenient to connect fastening to bear bigger brake force, technical scheme is as follows:

the utility model provides a compact braking clamp subassembly convenient to connect fastening, it includes clamp body and the casing of being connected with clamp body, the casing includes upper housing and sets up the lower casing under the upper housing, be provided with at least one first trompil on the upper housing, will the upper housing is connected with bogie fixed connection through installing the fastener in first trompil, the fastener overcoat is equipped with a plurality of protective sheaths, the protective sheath is hollow column structure, the protective sheath includes with the first protective sheath of fastener contact, and the first protective sheath stretches out first trompil and is connected with the bogie, first protective sheath is made by the metal material; two second protective sleeves are sleeved outside the first protective sleeve arranged in the first open hole, and a third protective sleeve is arranged between the two second protective sleeves; the third protective sleeve comprises an outer ring and an inner ring, the outer ring is in contact with the hole wall of the first opening, the outer surface of the inner ring is a spherical surface, and the inner ring surface of the outer ring is an arc-shaped surface matched with the spherical surface.

Further, the third protective sleeve is a joint bearing.

Further, the first opening hole is a stepped hole.

Furthermore, a first groove is formed in one side wall, close to the inner ring, of the outer ring, and an O-shaped ring is arranged in the first groove.

Furthermore, at least one second groove is formed in one side wall, close to the first protective sleeve, of the second protective sleeve, and an O-shaped ring or oil is contained in the second groove.

Further, the first protective sleeve comprises a first ring sleeve and a second ring sleeve, the diameter of the first ring sleeve is smaller than that of the second ring sleeve, one end of the first ring sleeve is arranged in the first opening, and the other end of the first ring sleeve penetrates through the first opening and extends out of the bogie; the second collar extends out of the bogie.

Further, the second protective sheath includes first ring, the second ring of cover establishing in the first ring outside and the third ring of cover establishing in the second ring outside, second ring and third ring are visited to first ring, first ring and third ring are made by metal material, the second ring is made by rubber.

Further, the first protective sheath and the third protective sheath are both made of a metal material.

Furthermore, a second opening matched with the first opening is formed in the bogie, and the first protective sleeve extends out of the second opening.

Further, the first openings all extend along the left-right direction.

The utility model provides a beneficial effect that technical scheme brought as follows:

the utility model relates to a plurality of protective sheaths make up organically, clamp the subassembly and be connected the fastening with the bogie for clamp the subassembly and bear very big brake force, not only play absorbing effect, can guarantee moreover that the second protective sheath is difficult impaired.

Drawings

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

FIG. 1 is a cross-sectional view of a compact brake caliper assembly housing to a truck with easy connection and securement provided by an embodiment of the present invention;

FIG. 2 is an overall perspective view of a compact brake caliper assembly that facilitates secure attachment provided by embodiments of the present invention;

FIG. 3 is a perspective view of a housing of a compact brake caliper assembly that facilitates secure attachment provided by embodiments of the present invention;

FIG. 4 is a perspective view of a third protective sheath of a compact brake caliper assembly for easy connection and securement provided by an embodiment of the present invention;

fig. 5 is a cross-sectional view of a third protective sheath of a compact brake caliper assembly for easy connection and securement provided by an embodiment of the present invention.

Wherein the reference numerals include: 1-upper shell, 2-lower shell, 3-first opening, 4-fastener, 5-first protective sleeve, 51-first ring sleeve, 52-second ring sleeve, 6-second protective sleeve, 61-first ring, 62-second ring, 63-third ring, 7-third protective sleeve, 71-outer ring, 72-inner ring, 73-first groove, 8-clamp body, 10-second groove, and 9-bogie.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.

In an embodiment of the present invention, a compact brake caliper assembly convenient for fastening is provided, and the specific structure is shown in fig. 1 and fig. 2, which includes a caliper body 8 and a housing connected to the caliper body 8, the housing includes an upper housing 1 and a lower housing 2 disposed under the upper housing 1, the housing structure is shown in fig. 3, at least one first opening 3 is disposed on the upper housing 1, the upper housing 1 is fixedly connected to a bogie 9 by installing a fastener 4 in the first opening 3, and the number of the first openings can be two, three, four or more as required. In the main viewing direction shown in fig. 3, the first opening 11 extends along the left-right direction, and the structural design of the shell not only makes the interfaces of the shell and the internal parts of the clamp body unchanged, but also makes the interfaces of the shell and the bogie change into transverse installation, so that the original components such as a clamp hanger can be omitted, and the installation space occupied by the clamp components and the distance from the wheels to the installation center are reduced.

The fastener is preferably a bolt assembly, a plurality of protective sleeves are sleeved outside the fastener 4, the protective sleeves are of a hollow cylindrical structure, each protective sleeve comprises a first protective sleeve 5 which is in contact with the fastener 4, the specific structure of each first protective sleeve 5 is shown in detail in fig. 1, the first protective sleeve 5 extends out of a first opening 3 and is connected with a bogie 9, a second opening which is matched with the first opening 3 is arranged on the bogie 9, and the first protective sleeve 5 extends out of the second opening; the first protective sleeve 5 is made of metal material; specifically, the first protection sleeve 5 comprises a first loop 51 and a second loop 52, the diameter of the first loop 51 is smaller than that of the second loop 52, one end of the first loop 51 is arranged in the first opening 3, and the other end of the first loop 51 passes through the first opening 3 and protrudes out of the bogie 9; the second loop 52 protrudes out of the bogie 9. First protective sheath 5 is the axle sleeve, and its length slightly is less than fastener 4, and first protective sheath 5 stretches out the first trompil 3 of casing and the second trompil of bogie promptly, can play the effect of connecting casing and bogie, and first protective sheath 5 has born main load, and the axle sleeve can protect the bolt not receive the shearing force with protecting, and the bolt only plays the fastening effect, even there is not the fastener, and the casing can not break away from the bogie, so just need not use high strength bolt.

Furthermore, the two sides of the first shell close to the bogie respectively keep a preset distance from the bogie, the middle of the bogie is provided with a space for accommodating the first shell, and a certain gap is reserved between the shell and the bogie frame after assembly so as to ensure that the clamp assembly can swing left and right relative to the bogie.

In the embodiment of the present invention, the second protection sleeve 6 has the following specific structure: two second protective sleeves 6 are sleeved outside the first protective sleeve 5 arranged in the first opening 3, a third protective sleeve 7 is arranged between the two second protective sleeves 6, the second protective sleeves 6 comprise a first ring 61, a second ring 62 sleeved outside the first ring 61 and a third ring 63 sleeved outside the second ring 62, the first ring 61 extends out of the second ring 62 and the third ring 63, the first ring 61 and the third ring 63 are both made of metal materials, and the second ring 62 is made of rubber; the clamp assembly can be restored to the initial centering position through the two second protective sleeves after swinging.

The third protective sheath 7 has the following specific structure: the specific structure of the third protective sleeve 7 is shown in fig. 4 and 5 in detail, the third protective sleeve 7 is made of metal materials, the third protective sleeve 7 is preferably a knuckle bearing, and the knuckle bearing has the characteristics of high load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and the like. Specifically, the third protective sleeve 7 includes an outer ring 71 and an inner ring 72, the outer ring 71 contacts with the hole wall of the first opening 3, the outer surface of the inner ring 72 is a spherical surface, the inner annular surface of the outer ring 71 is an arc-shaped surface adapted to the spherical surface, further, a first groove 73 is provided on a side wall of the outer ring 71 close to the inner ring 72, and an O-ring is accommodated in the first groove 73 to play a role in sealing and protecting. The outer ring 71 of the knuckle bearing always contacts the hole wall of the first opening 3, and the inner ring always contacts the first protective sleeve 5, so that the knuckle bearing bears the main load from the beginning of stress and can bear large load (the two second bushings do not generally bear the common bearing capacity, and the knuckle bearing mainly adapts to different common bearing capacities).

Preferably, the first opening 3 is a stepped hole, so that the second protective sleeve 6 and the third protective sleeve 7 can be conveniently installed, and a good installation and positioning function is achieved.

At least one groove 8 is formed in one side wall, close to the first protective sleeve 5, of the second protective sleeve 6, an O-shaped ring or oil is contained in the groove 8, the O-shaped ring plays a role in sealing, and the oil plays a role in lubricating.

The embodiment of the utility model provides an in, second protective sheath 6 and third protective sheath 7 cooperate, and the fastening is connected with the bogie to the clamp subassembly for the clamp subassembly bears very big brake force, not only plays the effect of shock attenuation and beat, can guarantee moreover that second protective sheath 6 is difficult impaired.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A compact brake caliper assembly convenient for connection and fastening is characterized by comprising a caliper body (8) and a shell connected with the caliper body (8), wherein the shell comprises an upper shell (1) and a lower shell (2) arranged below the upper shell (1), at least one first opening (3) is formed in the upper shell (1), the upper shell (1) is fixedly connected with a bogie (9) by installing a fastener (4) in the first opening (3),

the protective sleeve is sleeved outside the fastener (4), the protective sleeve is of a hollow columnar structure and comprises a first protective sleeve (5) which is in contact with the fastener (4), the first protective sleeve (5) extends out of the first opening (3) and is connected with a bogie (9), and the first protective sleeve (5) is made of metal materials; two second protective sleeves (6) are sleeved outside the first protective sleeve (5) arranged in the first opening (3), and a third protective sleeve (7) is arranged between the two second protective sleeves (6); the third protective sleeve (7) comprises an outer ring (71) and an inner ring (72), the outer ring (71) is in contact with the hole wall of the first opening (3), the outer surface of the inner ring (72) is a spherical surface, and the inner annular surface of the outer ring (71) is an arc-shaped surface matched with the spherical surface.

2. Compact brake caliper assembly facilitating joint tightening according to claim 1, characterized in that said third protective sleeve (7) is a spherical plain bearing.

3. The compact brake caliper assembly for easy fastening of a connection according to claim 1, characterized in that the first opening (3) is a stepped bore.

4. The compact brake caliper assembly for easy fastening of a connection according to claim 1, characterized in that a side wall of the outer ring (71) adjacent to the inner ring (72) is provided with a first groove (73), and an O-ring is accommodated in the first groove (73).

5. The compact brake caliper assembly with easy fastening of the connection as claimed in claim 1, characterized in that the second protective sleeve (6) has at least one second groove (10) formed on a side wall thereof adjacent to the first protective sleeve (5), and the second groove (10) contains an O-ring or oil.

6. The compact brake caliper assembly for easy fastening of a connection according to claim 1, characterized in that the first protective sheath (5) comprises a first collar (51) and a second collar (52), the first collar (51) having a smaller diameter than the second collar (52), one end of the first collar (51) being arranged in the first opening (3) and the other end of the first collar passing through the first opening (3) and protruding out of the bogie (9); the second loop (52) protrudes out of the bogie (9).

7. The compact brake caliper assembly for easy tie-down fastening according to claim 3, characterized in that said second protective sleeve (6) comprises a first ring (61), a second ring (62) fitted outside the first ring (61), and a third ring (63) fitted outside the second ring (62), said first ring (61) protruding beyond the second ring (62) and beyond the third ring (63), said first ring (61) and said third ring (63) being made of a metallic material, said second ring (62) being made of rubber.

8. Compact brake caliper assembly facilitating joint tightening according to claim 1, characterized in that said first protective sheath (5) and third protective sheath (7) are made of metallic material.

9. Compact brake caliper assembly facilitating joint tightening according to claim 1, characterized in that said bogie (9) is provided with a second opening cooperating with said first opening (3), said first protection sleeve (5) protruding through said second opening.

10. The compact brake caliper assembly for easy fastening of a connection according to claim 1, characterized in that the first apertures (3) each extend in a left-right direction.