CN214823196U - Tread brake device - Google Patents
Tread brake device Download PDFInfo
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- CN214823196U CN214823196U CN202121506986.1U CN202121506986U CN214823196U CN 214823196 U CN214823196 U CN 214823196U CN 202121506986 U CN202121506986 U CN 202121506986U CN 214823196 U CN214823196 U CN 214823196U
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Abstract
The utility model discloses a tread brake device, which comprises a brake shoe holder; the cover body is fixedly connected with the brake head, and an accommodating cavity is formed between the cover body and the brake head; the wearing part is arranged in the accommodating cavity and is tightly pressed and attached to the brake head; the adjusting piece comprises a first adjusting end and a second adjusting end, the first adjusting end is arranged in the accommodating cavity and is tightly pressed and attached with the wearing piece, and the second adjusting end extends to the outside of the accommodating cavity; the first elastic piece is compressed between the first adjusting end and the cover body and is used for pressing the first adjusting end and the wearing piece; and the second elastic piece is compressed between the cover body and the wearing piece and is used for pressing the wearing piece and the brake head. The technical problem of uneven gap between the brake shoe and the wheel tread in the prior art is solved.
Description
Technical Field
The utility model belongs to the technical field of the braking, especially, relate to a tread arresting gear.
Background
At present, the brake head stroke track of the unit brake of the rolling stock is restricted by the swing angle of the connecting suspension arm in the braking process, and the swing angle of the connecting suspension arm is larger, so that the gap between the brake head and the wheel tread is not uniform after the brake head is relieved. In addition, when the unit brake applies the brake, the brake screw pushes the brake head mechanism to be pushed out, the center of gravity of the brake head mechanism is not located at the hinge center of the brake head mechanism, so that the center of gravity of the brake head forms a moment relative to the hinge center, the brake head is easy to overturn under the action of gravity, and the gap between the brake shoe and the tread of the wheel cannot be kept consistent.
In order to solve the problems, the damping assembly is arranged on the brake head support and used for preventing the countersunk head, but the technical scheme has certain problems that the friction block easily slides down when the damping assembly disc spring and the friction block are arranged, so that time and labor are wasted in maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tread arresting gear to brake shoe and the inhomogeneous technical problem in wheel tread clearance among the above-mentioned prior art are solved.
In order to realize the utility model aims at, the utility model adopts the following technical scheme:
a tread braking device comprises a brake block,
a brake head;
the cover body is fixedly connected with the brake head, and an accommodating cavity is formed between the cover body and the brake head;
the wearing part is arranged in the accommodating cavity and is tightly pressed and attached to the brake head;
the adjusting piece comprises a first adjusting end and a second adjusting end, the first adjusting end is arranged in the accommodating cavity and is tightly pressed and attached with the wearing piece, and the second adjusting end extends to the outside of the accommodating cavity;
the first elastic piece is compressed between the first adjusting end and the cover body and is used for pressing the first adjusting end and the wearing piece;
and the second elastic piece is compressed between the cover body and the wearing piece and is used for pressing the wearing piece and the brake head.
This technical scheme is through setting up the lid, and set up between lid and the brake head support and hold the chamber, wearing and tearing piece simultaneously, the adjustment piece, first elastic component and second elastic component all set up and hold the intracavity here, and the one end of wearing and tearing piece compresses tightly the laminating with the brake head support, its other end compresses tightly the laminating with the regulating part, first elastic component compresses tightly between regulating part and lid, thereby realized the laminating that compresses tightly between regulating part and the wearing and tearing piece, the second elastic component compresses tightly between lid and wearing and tearing piece, thereby realized the laminating that compresses tightly between wearing and tearing piece and the brake head support. Therefore, when the gap between the brake shoe and the wheel tread is uniform, the first elastic piece is tightly attached to the abrasion piece, the braking force is applied at the moment, and the adjusting piece pushes the abrasion piece and the brake shoe support to move towards the wheel tread. In the movement process, the swinging of the suspension arm enables the adjusting piece and the abrasion piece to vertically translate, but the abrasion piece cannot rotate relative to the brake head because the gap is uniform. When the brake shoe is released, the abrasion part cannot rotate relative to the brake shoe support due to the elastic action of the second elastic part, so that the gap between the brake shoe and the wheel tread is uniform up and down after the brake shoe is released.
When the gap between the brake shoe and the wheel tread is not uniform, namely the gap between the brake shoe and the wheel tread is not uniform, because the first elastic part is tightly attached to the abrasion part, braking force is applied at the moment, the adjusting part pushes the abrasion part and the brake shoe holder to move towards the direction of the wheel tread, because the gap between the brake shoe and the wheel tread is not uniform, one end with small gap is firstly contacted with the tread and then stops moving, but the adjusting part still continues to move forwards due to small resistance, at the moment, the elastic action of the second elastic part is overcome, and the abrasion part and the brake shoe holder rotate relatively until the brake shoe and the tread are completely attached. When the brake shoe is released, the abrasion part cannot rotate relative to the brake head due to the elastic action of the second elastic part, so that the brake shoe and the tread gap are uniform from top to bottom after the brake shoe is released. Therefore, the technical problem of uneven gap between the brake shoe and the wheel tread in the prior art is solved.
In some of these embodiments, the side of the brake head facing the cover is provided with a first mounting groove, and the side of the cover facing the brake head is provided with a second mounting groove; the first mounting groove and the second mounting groove form the accommodating cavity.
This technical scheme is through setting up first mounting groove and second mounting groove relatively to the formation holds the chamber for place wearing and tearing piece, regulating part, first elastic component and second elastic component.
In some embodiments, two stoppers are arranged in the second mounting groove, and the two stoppers are respectively arranged on two sides of the first elastic piece; and one of the stoppers is connected with one end of the first elastic piece, and the other stopper is connected with the other end of the first elastic piece.
This technical scheme is through setting up this dog structure, can prevent that first elastic component from rotating.
In some embodiments, the first adjusting end is provided with a mounting through hole, one end of the first elastic element is connected with the cover body, and the other end of the first elastic element passes through the mounting through hole and is connected with the cover body; and the first elastic member is in a compressed state.
This technical scheme sets up the installation through-hole at first regulation end for setting up in holding the intracavity that first elastic component can be more stable, and the state that is in the compression that can be stable, thereby make first regulation end can be in the state that compresses tightly the laminating with wearing and tearing piece.
In some embodiments, the wearing part is provided with a groove, one end of the second elastic part is inserted into the groove, and the other end of the second elastic part is connected with the cover body; and the second resilient element is in a compressed state.
This technical scheme is provided with the recess on wearing and tearing piece for setting up in holding the intracavity that first elastic component can be more stable, and the state that is in the compression that can be stable, thereby make wearing and tearing piece can be in the state that compresses tightly the laminating with the brake head.
In some embodiments, the grooves are arc-shaped and symmetrically arranged at two ends of the wearing part, and the two second elastic parts are respectively inserted into the corresponding grooves.
This technical scheme is through all setting up the recess at the both ends of wearing and tearing piece, and the second elastic component be two and insert respectively in the corresponding recess to make the both ends of wearing and tearing piece can the atress even, and then guarantee wearing and tearing piece can and the brake head between inseparabler laminating.
In some of the embodiments, the wearing piece is of a circular arc structure, and a first plane is arranged in the middle of the wearing piece; one side of the first adjusting end facing the wearing piece is provided with a second plane, and the first plane is tightly attached to the second plane.
In some of these embodiments, the first resilient member is a disc spring.
In some embodiments, the second elastic member is a wire spring, and the second elastic member is in an Ω shape.
In some embodiments, a first flange is arranged at an edge end of the first mounting groove, a second flange is arranged on the cover body, and the first flange and the second flange are fixedly connected through bolts.
Drawings
Fig. 1 is a schematic structural view of a tread braking device provided in the present invention;
fig. 2 is a schematic partial structural view 1 of a tread braking device provided in the present invention;
fig. 3 is a schematic partial structural view of a tread braking device according to the present invention, which is shown in fig. 2;
fig. 4 is a schematic structural view of a brake head provided in the present invention;
fig. 5 is a schematic structural view of a cover body according to the present invention;
figure 6 is a schematic structural view of a wear member provided in the present invention;
fig. 7 is a schematic structural diagram of an adjusting member provided in the present invention;
in the above figures: 1. a brake head; 11. a first mounting groove; 12. a first flange; 2. a cover body; 21. a second mounting groove; 22. a stopper; 23. a second flange; 3. a wear member; 31. a first plane; 32. a groove; 4. an adjustment member; 41. a first regulation end; 411. a second plane; 42. a second regulation end; 43. mounting a through hole; 5. a first elastic member; 6. a second elastic member.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", "first", "second", etc. indicate the positional relationship based on the positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present application, the terms "mounted," "connected," "fixed," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; either directly or through an intermediary profile. "joined" may refer to two separate elements being joined together, joined, or the like. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In order to solve the technical problem of uneven tread gap between a brake shoe and a wheel in the prior art, the technical scheme in the embodiment of the application has the following general idea:
the utility model discloses a set up the lid, and set up between lid and the brake head support and hold the chamber, wearing and tearing piece simultaneously, the adjustment piece, first elastic component and second elastic component all set up and hold the intracavity here, and the one end of wearing and tearing piece compresses tightly the laminating with the brake head support, its other end compresses tightly the laminating with the regulating part, first elastic component compresses tightly between regulating part and lid, thereby realized the laminating that compresses tightly between regulating part and the wearing and tearing piece, the second elastic component compresses tightly between lid and wearing and tearing piece, thereby realized wearing and tearing piece and held in the palm the laminating that compresses tightly between the chamber. Therefore, when the gap between the brake shoe and the wheel tread is uniform, the first elastic piece is tightly attached to the abrasion piece, the braking force is applied at the moment, and the adjusting piece pushes the abrasion piece and the brake shoe support to move towards the wheel tread. In the movement process, the swinging of the suspension arm enables the adjusting piece and the abrasion piece to vertically translate, but the abrasion piece cannot rotate relative to the brake head because the gap is uniform. When the brake shoe is released, the abrasion part cannot rotate relative to the brake shoe support due to the elastic action of the second elastic part, so that the gap between the brake shoe and the wheel tread is uniform up and down after the brake shoe is released. When the gap between the brake shoe and the wheel tread is not uniform, namely the gap between the brake shoe and the wheel tread is not uniform, because the first elastic part is tightly attached to the abrasion part, braking force is applied at the moment, the adjusting part pushes the abrasion part and the brake shoe holder to move towards the direction of the wheel tread, because the gap between the brake shoe and the wheel tread is not uniform, one end with small gap is firstly contacted with the tread and then stops moving, but the adjusting part still continues to move forwards due to small resistance, at the moment, the elastic action of the second elastic part is overcome, and the abrasion part and the brake shoe holder rotate relatively until the brake shoe and the tread are completely attached. When the brake shoe is released, the abrasion part cannot rotate relative to the brake head due to the elastic action of the second elastic part, so that the brake shoe and the tread gap are uniform from top to bottom after the brake shoe is released. Therefore, the technical problem of uneven gap between the brake shoe and the wheel tread in the prior art is solved.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
A tread braking device comprises a brake block,
a brake head 1;
the cover body 2 is fixedly connected with the brake head 1, and an accommodating cavity is formed between the cover body 2 and the brake head 1;
the wearing piece 3 is arranged in the accommodating cavity and is tightly pressed and attached to the brake head 1;
the adjusting piece 4 comprises a first adjusting end 41 and a second adjusting end 42, the first adjusting end 41 is arranged in the accommodating cavity and is tightly pressed and attached with the wearing piece 3, and the second adjusting end 42 extends to the outside of the accommodating cavity;
a first elastic member 5 compressed between the first adjustment end 41 and the cover 2 for pressing the first adjustment end 41 and the wearing member 3;
and a second elastic member 6 compressed between the cover 2 and the wearing member 3 for pressing the wearing member 3 and the brake head 1.
As shown in fig. 1 to 3, the tread brake device comprises a brake head 1, a cover 2, a wearing member 3, an adjusting member 4, a first elastic member 5 and a second elastic member 6.
As shown in FIG. 4, a brake shoe is fixedly arranged on the brake head 1, and the brake head 1 is connected with the connecting boom. In this embodiment, one side of the brake head 1 facing the cover 2 is provided with a first mounting groove 11, and the structure of the first mounting groove 11 is matched with the structure of the wearing part 3, so that the wearing part 3 can be disposed in the first mounting groove 11. Meanwhile, the outer edge end of the first mounting groove 11 is provided with a first flange 12.
As shown in fig. 5, a second mounting groove 21 is disposed on a side of the cover body 2 facing the brake head 1, that is, the first mounting groove 11 is disposed opposite to the second mounting groove 21, and the first mounting groove 11 and the second mounting groove 21 form a containing cavity, so that the wearing member 3, the adjusting member 4, the first elastic member 5 and the second elastic member 6 are disposed in the containing cavity. In this embodiment, the cover body 2 is a dust-proof cover structure, and the structure plays a certain dust-proof role. Meanwhile, the cover body 2 is arranged on the second flange 23, the second flange 23 is arranged corresponding to the first flange 12, and the first flange 12 and the second flange 23 are both provided with connecting holes through which bolts are used for fixedly connecting the cover body 2 and the brake head 1 together. Further, two stoppers 22 are disposed in the second mounting groove 21.
As shown in fig. 6, the wearing member 3 is disposed in the receiving cavity and connected to the brake head 1, and the wearing member 3 is provided with a groove 32. Specifically, the wearing member 3 is disposed in the first mounting groove 11 of the brake head 1, and one end surface of the wearing member 3 is connected to the brake head 1, and the other end surface thereof is connected to the adjuster 4. In this embodiment, the wearing part 3 has a circular arc structure, and the middle of the wearing part 3 is a first plane 31, and the first plane 31 is connected with the adjusting part 4; meanwhile, the grooves 32 on the wearing part 3 are arc-shaped and are oppositely arranged at two ends of the wearing part 3. More specifically, the wearing part 3 includes a planar portion, a first arc portion and a second arc portion, wherein the first arc portion and the second arc portion are symmetrically disposed on both sides of the planar portion and are fixedly connected to the planar portion. The side of the plane part facing the adjusting part 4 is provided with the first plane 31, the first arc part and the second arc part are both provided with a groove 32, and the structure of the groove 32 is matched with the structure of the second elastic part 6, so that one end part of the second elastic part 6 can be inserted into the groove 32.
As shown in fig. 7, the adjusting member 4 includes a first adjusting end 41 and a second adjusting end 42, the first adjusting end 41 is disposed in the receiving cavity and connected to the wearing member 3, and the second adjusting end 42 extends to the outside of the receiving cavity. In this embodiment, the adjusting member 4 is selected as a brake screw, the first adjusting end 41 is located at a head portion of the brake screw and is disposed in the accommodating cavity, the first adjusting end 41 is a block-shaped structure, one side of the first adjusting end 41 facing the wearing member 3 is provided with a second plane 411, and the first plane 31 is pressed and attached to the second plane 411. Meanwhile, the first adjusting end 41 is provided with a mounting through hole 43, the structure of the mounting through hole 43 is matched with that of the first elastic piece 5, and the mounting through hole 43 is arranged along the longitudinal direction; the second adjusting end 42 is a rod-shaped structure, and the second adjusting end 42 is provided with an external thread. Therefore, the abrasion piece 3 can be pushed to move by rotating the adjusting piece 4, and the brake head 1 is further pushed to move towards the wheel tread.
The first elastic member 5 is compressed between the first adjustment end 41 and the cover 2 for pressing the first adjustment end 41 and the wearing member 3. Specifically, one end of the first elastic member 5 is in contact with the lid body 2, and the other end thereof passes through the mounting through hole 43 and is in contact with the lid body 2, and the first elastic member 5 is in a compressed state. In this embodiment, the first elastic member 5 is a disc spring, and the disc spring is a V-shaped structure, and the first elastic member 5 is in a compressed state, so that the first adjusting end 41 of the adjusting rod and the wearing part 3 can be pressed and attached, and at this time, the brake screw can push the wearing part 3 and the brake shoe holder 1 to move towards the tread direction of the wheel by applying the brake. Further, two stoppers 22 provided in the second mounting groove 21 are respectively located at both sides of the first elastic member 5, one of the stoppers 22 is connected to one end of the first elastic member 5, and the other stopper 22 is connected to the other end of the first elastic member 5, and by providing such a structure, the first elastic member 5 can be prevented from rotating.
The second elastic member 6 is compressed between the cover 2 and the wearing member 3 for pressing the wearing member 3 and the brake head 1. Specifically, one end of the second elastic member 6 is inserted into the groove 32, and the other end thereof is in contact with the lid body 2, and the second elastic member 6 is in a compressed state. In this embodiment, the second elastic member 6 is a steel wire spring, and the second elastic member 6 is in an Ω shape, that is, the second elastic member 6 includes a first elastic end and a second elastic end, the first elastic end is in an arc structure, the edge end of the first elastic end is opposite to the second elastic end, and the second elastic end is in a strip structure; at the same time, the arcuate configuration of the first resilient end cooperates with the configuration of the recess 32 in the wear member 3 to enable the first resilient end to be inserted into the recess 32. Further, the number of the second elastic members 6 is two, and the second elastic members are respectively inserted into the corresponding grooves 32. Because the second elastic piece 6 is in a compressed state, the abrasion piece 3 can not rotate relative to the brake head 1, and the gap between the brake shoe and the tread is uniform from top to bottom after the brake shoe is relieved.
In summary, by adopting the above structure, when the gap between the brake shoe and the wheel tread is uniform, the first elastic member 5 is tightly attached to the wearing member 3, and at this time, a braking force is applied, and the adjusting member 4 pushes the wearing member 3 and the brake shoe holder 1 to move towards the wheel tread. During the movement, the swinging of the suspension arm enables the adjusting piece 4 and the wearing piece 3 to vertically translate, but the wearing piece 3 cannot rotate relative to the brake head 1 due to the uniform gap. When the brake shoe is released, the abrasion part 3 cannot rotate relative to the brake head 1 due to the elastic action of the second elastic part 6, so that the gap between the brake shoe and the wheel tread is uniform up and down after the brake shoe is released.
When the gap between the brake shoe and the wheel tread is not uniform, namely the gap between the brake shoe and the tread is not uniform, because the first elastic part 5 is tightly attached to the wearing part 3, braking force is applied at the moment, the adjusting part 4 pushes the wearing part 3 and the brake head 1 to move towards the wheel tread, because the gap between the brake shoe and the wheel tread is not uniform, one end with small gap is firstly contacted with the tread and then stops moving, but the adjusting part 4 still continues to move forwards because of small resistance, at the moment, the elastic action of the second elastic part 6 is overcome, and the wearing part 3 and the brake head 1 rotate relatively until the brake shoe and the tread are completely attached. When the brake shoe is released, the abrasion part 3 can not rotate relative to the brake head 1 due to the elastic force of the second elastic part 6, so that the brake shoe and the tread gap are uniform up and down after the brake shoe is released. Therefore, the technical problem of uneven gap between the brake shoe and the wheel tread in the prior art is solved. Meanwhile, the structure is simple and reliable, so that the performance of the unit brake product is more stable, the assembly and disassembly are convenient, the overhaul and the maintenance are convenient, and the working efficiency is improved. The technical problem of uneven gap between the brake shoe and the wheel tread in the prior art is solved, so that the problem of eccentric wear of the brake shoe from top to bottom is effectively solved, the brake shoe is prevented from being used and scrapped in advance, and the economic benefit is remarkable.
Claims (10)
1. A tread braking device, comprising,
a brake head;
the cover body is fixedly connected with the brake head, and an accommodating cavity is formed between the cover body and the brake head;
the wearing part is arranged in the accommodating cavity and is tightly pressed and attached to the brake head;
the adjusting piece comprises a first adjusting end and a second adjusting end, the first adjusting end is arranged in the accommodating cavity and is tightly pressed and attached with the wearing piece, and the second adjusting end extends to the outside of the accommodating cavity;
the first elastic piece is compressed between the first adjusting end and the cover body and is used for pressing the first adjusting end and the wearing piece;
and the second elastic piece is compressed between the cover body and the wearing piece and is used for pressing the wearing piece and the brake head.
2. The tread brake device of claim 1,
a first mounting groove is formed in one side, facing the cover body, of the brake head, and a second mounting groove is formed in one side, facing the brake head, of the cover body; the first mounting groove and the second mounting groove form the accommodating cavity.
3. The tread brake device according to claim 2, wherein two stoppers are provided in the second mounting groove, the two stoppers being provided on both sides of the first elastic member, respectively; and one of the stoppers is connected with one end of the first elastic piece, and the other stopper is connected with the other end of the first elastic piece.
4. The tread brake apparatus according to claim 1, wherein the first adjustable end is provided with a mounting hole, one end of the first elastic member is connected to the cover, and the other end of the first elastic member passes through the mounting hole and is connected to the cover; and the first elastic member is in a compressed state.
5. The tread brake device according to any one of claims 1 to 3, wherein the wear member is provided with a groove, one end of the second elastic member is inserted into the groove, and the other end of the second elastic member is connected to the cover; and the second resilient element is in a compressed state.
6. The tread brake device of claim 5,
the grooves are of arc structures and symmetrically arranged at two ends of the abrasion part, and the two second elastic parts are respectively inserted into the corresponding grooves.
7. The tread brake device according to any one of claims 1 to 3, wherein the wearing part has a circular arc structure, and a first plane is arranged in the middle of the wearing part; one side of the first adjusting end facing the wearing piece is provided with a second plane, and the first plane is tightly attached to the second plane.
8. The tread brake of claim 1 wherein the first resilient member is a disc spring.
9. The tread brake of claim 1, wherein the second elastic member is a wire spring and the second elastic member is omega-shaped.
10. The tread brake device according to claim 2, wherein the first mounting groove has a first flange at an edge thereof, the cover has a second flange thereon, and the first flange and the second flange are fixedly connected by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506986.1U CN214823196U (en) | 2021-07-01 | 2021-07-01 | Tread brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121506986.1U CN214823196U (en) | 2021-07-01 | 2021-07-01 | Tread brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214823196U true CN214823196U (en) | 2021-11-23 |
Family
ID=78812315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121506986.1U Active CN214823196U (en) | 2021-07-01 | 2021-07-01 | Tread brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214823196U (en) |
-
2021
- 2021-07-01 CN CN202121506986.1U patent/CN214823196U/en active Active
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