CN112572519A - High-performance brake caliper - Google Patents
High-performance brake caliper Download PDFInfo
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- CN112572519A CN112572519A CN202010810328.5A CN202010810328A CN112572519A CN 112572519 A CN112572519 A CN 112572519A CN 202010810328 A CN202010810328 A CN 202010810328A CN 112572519 A CN112572519 A CN 112572519A
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- brake caliper
- dovetail groove
- locking connection
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- 239000003638 chemical reducing agent Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 41
- 229910045601 alloy Inorganic materials 0.000 description 13
- 239000000956 alloy Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000005242 forging Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/02—Track brakes or retarding apparatus
- B61K7/04—Track brakes or retarding apparatus with clamping action
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention relates to a high-performance brake caliper, which belongs to the technical field of railway hump freight marshalling yard vehicle speed reducers and comprises a brake caliper body and brake caliper arms, wherein the brake caliper body is provided with a dovetail groove type convex locking connection structure or a dovetail groove type concave locking connection structure, the brake caliper arms are in the dovetail groove type concave locking connection structure or the dovetail groove type convex locking connection structure, and the brake caliper body and the brake caliper arms are mutually connected in a joggled manner. The high-performance brake caliper of the invention has greatly improved tensile strength, impact resistance of materials, fatigue resistance and the like.
Description
Technical Field
The invention relates to a high-performance brake caliper, in particular to a high-performance brake caliper which is suitable for the requirements of high-speed and heavy-load modern railway freight marshalling yards, has higher reliability and longer service life, and belongs to the technical field of railway hump freight marshalling yard vehicle reducers.
Background
The brake calipers are applied to a railway hump freight marshalling yard and are an important part of a railway hump vehicle speed reducer, the two brake calipers are connected by a main shaft and a base to form a brake caliper group and are fixedly arranged on a brake rail by bolts, the common installation state is that seven brake caliper groups are uniformly distributed and arranged on one brake rail, the brake calipers support the brake rail to complete the braking of the vehicle speed reducer, when the freight vehicle is braked, a power assembly drives the brake rail to carry out caliper-type braking speed reduction on two side surfaces of a wheel of the freight vehicle through the brake caliper group, the braking state is released after the expected speed is reached, and the brake rails on two sides of the wheel are; in the whole braking process, the brake caliper bears larger alternating impact force.
At present, railway freight in China is developed towards heavy loading and rapidness, the load of freight vehicles is improved from the original 25-ton axle weight to 27-ton axle weight, and the vehicle marshalling density is improved to different degrees compared with the prior art.
At present, the marshalling quantity of a domestic large-scale railway hump marshalling yard is close to 2 thousands of vehicles per day, each marshalled vehicle is decelerated from the speed of 25 kilometers per hour to the safe coupling speed of 5 kilometers per hour, energy conversion is mainly transmitted by a brake caliper, and therefore higher requirements on the safety and the reliability of a brake caliper product in a hump vehicle speed reducer are provided.
Brake caliper products used on the existing railway hump vehicle speed reducer in China are generally ZG270-500 type cast steel pieces, and with the increase of heavy load and grouping amount of a railway grouping yard, the brake caliper in the vehicle speed reducer gradually exposes the following defects: the brake caliper product manufactured by adopting the casting process has internal casting defects of slag inclusion, air holes and the like, so that the brake caliper product has the defects of uneven material, low tensile strength, poor extensibility, brittle material performance, easy fracture when meeting large external force and direct influence on the reliability of the brake caliper. In the actual process of braking the freight vehicle, the brake rail is subjected to an alternating external force of 0-280KN of wheels, and the applied force cannot be transmitted to other brake calipers in a short time due to poor ductility of a cast steel brake caliper product, so that the caliper arm of the brake caliper with large stress is broken.
At present, the breakage ratio of the caliper arms of brake calipers of various domestic large-scale hump marshalling yard is high, so that potential safety hazards are brought to railway marshalling work, and the freight cars can be disconnected in serious cases to cause safety accidents.
Therefore, the technical problem to be solved by the technical field is to provide a high-performance brake caliper with an improved structure, and through an optimized design, the existing quality defects of the forged brake caliper are eliminated, and the improvement of the safety and reliability of the forged brake caliper product is needed.
Disclosure of Invention
The invention aims to provide a high-performance brake caliper with an improved structure, so as to improve the reliability and the service life of the brake caliper of a railway hump freight marshalling yard speed reducer.
The technical scheme adopted for realizing the purpose is as follows:
a high-performance brake caliper is characterized by comprising a brake caliper body and a brake caliper arm, wherein the brake caliper body is connected with the brake caliper arm.
Preferably, the connection is falcon.
Preferably, the brake caliper body is provided with a dovetail groove type convex locking connection structure, and the brake caliper arm is provided with a dovetail groove type concave locking connection structure.
Preferably, the brake caliper body is provided with a dovetail groove concave locking connection structure, and the brake caliper arm is provided with a dovetail groove convex locking connection structure.
Preferably, the brake caliper body is provided with two dovetail groove type convex locking connection structures which are arranged in parallel, and the brake caliper arm adopts two dovetail groove type concave locking connection structures which are arranged in parallel.
Preferably, the brake caliper body is provided with two dovetail groove type concave locking connection structures which are arranged in parallel, and the brake caliper arm adopts two dovetail groove type convex locking connection structures which are arranged in parallel.
Preferably, the caliper body and the caliper arms are welded to each other on the basis of their tenons.
Preferably, the dovetail groove type convex locking connection structure of the brake caliper body has the size of 10-50mm in height, 10-80mm in width, 30-60 degrees in angle, or 30-85 degrees.
Preferably, the dovetail groove type concave locking connection structure of the brake caliper body has the depth of 10-50mm, the width of 10-80mm, the angle of 30-60 degrees or 30-85 degrees.
Preferably, the dovetail-shaped concave locking connection of the arms of the brake caliper is 10-50mm deep, 10-80mm wide, 30-60 degrees angled, or 30-85 degrees angled.
Preferably, the dovetail-type male locking connection of the arms of the brake caliper is 10-50mm high, 10-80mm wide, 30-60 degrees angled, or 30-85 degrees angled.
Preferably, the two parallel dovetail groove type convex locking connection structures of the brake caliper body have the dimensions of 10-50mm in height, 20-100mm in width, 30-60 degrees in angle, or 30-85 degrees.
Preferably, the two side-by-side dovetail groove type concave locking connection structures of the brake caliper body have the dimensions of 10-50mm deep, 20-100mm wide, 30-60 degrees of angle, or 30-85 degrees.
Preferably, the two juxtaposed dovetail-groove female locking connections of the caliper arms are 10-50mm deep, 20-100mm wide, 30-60 degrees angled, or 30-85 degrees angled.
Preferably, the two juxtaposed dovetail-groove male locking connections of the brake caliper arms are 10-50mm high, 20-100mm wide, 30-60 degrees angled, or 30-85 degrees angled.
Preferably, the bottom of the brake caliper body is provided with a hard alloy welding layer.
Preferably, the caliper arm is 110-.
The invention discloses a high-performance forged brake caliper, and a brake caliper product is formed by forging through optimized design.
Preferably, the brake caliper is divided into a brake caliper body and a brake caliper arm in the manufacturing process, and the brake caliper body and the brake caliper arm are respectively forged and formed; the forged brake caliper body and the forged brake caliper arm form a connecting structure through machining; and finally, solidifying and connecting the brake caliper body and the brake caliper arm into a complete brake caliper product through a high-performance welding process.
Preferably, the brake caliper is divided into a brake caliper body and a brake caliper arm in the manufacturing process, and the brake caliper body and the brake caliper arm are respectively forged and formed; the brake caliper body and the brake caliper arm form a dovetail groove type concave-convex locking connection structure through mechanical processing, when the caliper body is of a dovetail concave (convex) structure, the size is 10-50mm deep, 10-80mm wide and 30-60 degrees, and when the caliper arm is of a dovetail convex (concave) structure, the size is 10-50mm deep, 10-80mm wide and 30-60 degrees; and finally, solidifying and connecting the dovetail grooves of the brake caliper body and the brake caliper arm by a high-performance welding process to form a complete brake caliper product.
Has the advantages that:
the novel brake caliper is manufactured by adopting a forging processing technology, and the aspects of product structure design, material selection, process flow and the like are improved. The main method comprises the following steps: the brake caliper is divided into two parts which are convenient for forging, namely a brake caliper body and a brake caliper arm; each part is forged and formed respectively and finally connected into a whole through high-performance welding. The tensile strength, impact resistance and fatigue resistance of the improved novel brake caliper part are greatly improved.
According to the high-performance brake caliper, the structure is improved, and the brake caliper is divided into two parts which are convenient to forge, namely a brake caliper body and a brake caliper arm; each part is forged and formed respectively, a brake caliper body is provided with a dovetail groove type convex locking connection structure or a dovetail groove type concave locking connection structure, and a brake caliper arm is provided with a dovetail groove type concave locking connection structure or a dovetail groove type convex locking connection structure; then, the brake caliper body and the brake caliper arm are connected through tenons and finally are connected into a whole through high-performance welding. The improved novel forged brake caliper has great improvement in tensile strength, impact resistance of materials, fatigue resistance and the like.
The invention is further illustrated by the following figures and detailed description of the invention, which are not meant to limit the scope of the invention.
Drawings
Fig. 1 is a schematic view of the mounting structure of a high performance brake caliper according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a caliper body of the dovetail groove type convex locking connection structure according to embodiment 1 of the present invention.
Fig. 3 is a schematic cross-sectional view of the brake caliper arm of the dovetail-groove-type female locking connection of embodiment 1 of the present invention.
Fig. 4 is a schematic longitudinal sectional view of a brake caliper arm of a dovetail groove type concave lock coupling structure according to embodiment 1 of the present invention.
Fig. 5 is a schematic view of a connection structure of a brake caliper body provided with a dovetail groove type convex locking connection structure and a brake caliper arm provided with a dovetail groove type concave locking connection structure in a high performance brake caliper according to embodiment 1 of the present invention.
Fig. 6 is an assembled plan view of a locking structure of a high performance brake caliper according to embodiment 1 of the present invention.
Fig. 7 is a schematic structural view of a caliper body of the dovetail groove type concave locking connection structure according to embodiment 2 of the present invention.
FIG. 8 is a cross-sectional view of the brake caliper arm of the dovetail male locking connection in accordance with embodiment 2 of the present invention.
Fig. 9 is a schematic longitudinal sectional view of the brake caliper arm of the dovetail groove type convex lock joint structure according to embodiment 2 of the present invention.
Fig. 10 is a schematic view of a connection structure between a caliper body provided with a dovetail groove type concave locking connection structure and a caliper arm provided with a dovetail groove type convex locking connection structure in a high performance caliper according to embodiment 2 of the present invention.
Fig. 11 is a schematic structural view of a brake caliper body provided with two dovetail groove type concave locking connection structures according to embodiment 3 of the present invention.
Fig. 12 is a schematic longitudinal sectional view of a brake caliper arm having two dovetail groove-type male lock engagement structures according to embodiment 3 of the present invention.
Figure 13 is a cross-sectional view of a brake caliper arm having two dovetail male locking connections in accordance with embodiment 3 of the present invention.
Fig. 14 is a schematic view of a connection structure between a caliper body provided with two dovetail groove type concave locking connection structures and a caliper arm provided with two dovetail groove type convex locking connection structures in a high performance caliper according to embodiment 3 of the present invention.
Fig. 15 is a schematic longitudinal sectional view of a brake caliper body provided with two dovetail groove type convex locking connection structures according to embodiment 4 of the present invention.
Figure 16 is a cross-sectional structural view of a brake caliper arm having two dovetail female locking connections in accordance with embodiment 4 of the present invention.
Figure 17 is a schematic view of a brake caliper arm having two dovetail female locking connections according to embodiment 4 of the present invention.
Fig. 18 is a schematic view of a connection structure between a caliper body provided with two dovetail groove type concave locking connection structures and a caliper arm provided with two dovetail groove type convex locking connection structures in a high performance caliper according to embodiment 4 of the present invention.
Name of major component
1 power assembly 2 brake caliper
3 brake rail 4 bolt
5 wheels with reduced speed of running rail 6
7 spindle 8 base
9-1 weld A9-2 weld B
9-3 weld C9-4 weld D
10-1 cemented carbide welding layer A10-2 cemented carbide welding layer B
10-3 cemented carbide welding layer C10-4 cemented carbide welding layer D
Detailed Description
All parts used in the present invention are conventional parts in the art, and all methods used are conventional in the art, unless otherwise specified.
Example 1
Fig. 1 is a schematic view showing a mounting structure of a high-performance brake caliper according to embodiment 1 of the present invention; as shown in fig. 2, it is a schematic structural view of a brake caliper body of a dovetail groove type convex locking connection structure according to embodiment 1 of the present invention; as shown in fig. 3, it is a schematic cross-sectional structure of the brake caliper arm of the dovetail groove type concave locking connection structure according to embodiment 1 of the present invention; as shown in fig. 4, a schematic view of a longitudinal sectional structure of a brake caliper arm of a dovetail groove type concave locking connection structure according to embodiment 1 of the present invention; as shown in fig. 5, a schematic view of a connection structure between a caliper body having a dovetail groove type convex locking connection structure and a caliper arm having a dovetail groove type concave locking connection structure in a high performance caliper according to embodiment 1 of the present invention; fig. 6 is an assembled plan view of a locking structure of a high performance brake caliper according to embodiment 1 of the present invention; the device comprises a power assembly 1, a brake caliper 2, a brake rail 3, a bolt 4, a vehicle traveling steel rail 5, a decelerated wheel 6, a main shaft 7, a base 8, a welding line A9-1 and a hard alloy welding layer A10-1, wherein the power assembly 1 is a power assembly; the high-performance brake caliper of the embodiment is structurally divided into a brake caliper body shown in fig. 2 and brake caliper arms shown in fig. 3 and 4, and the brake caliper body and the brake caliper arms are respectively forged and molded by adopting dies; the connecting part of the brake caliper body adopts a dovetail groove type convex locking connecting structure, the brake caliper arm adopts a dovetail groove type concave locking connecting structure, and the dovetail groove type convex locking connecting structure of the brake caliper body has the size of 10-50mm in height, 10-80mm in width and 30-85 degrees (external angle); the brake caliper arm is a dovetail groove type concave locking connection structure, the depth of the brake caliper arm is 10-50mm, the width of the brake caliper arm is 10-80mm, and the angle of the brake caliper arm is 30-85 degrees (internal angle). The length of the brake caliper arm is 110-372mm, the width is 75mm, and the height is 45-60 mm; the brake caliper body and the brake caliper arms are welded on the basis of mutual falcon joint, the welding seam is shown in figure 5, and the welding seam A9-1; as shown in FIG. 5, the bottom of the caliper body is provided with a hard alloy welding layer 10-1.
Example 2
Fig. 7 is a schematic structural view of a caliper body of a dovetail groove type concave locking connection structure according to embodiment 2 of the present invention; FIG. 8 is a schematic cross-sectional view of a brake caliper arm of a dovetail groove type male locking connection structure according to embodiment 2 of the present invention; FIG. 9 is a schematic longitudinal sectional view of a brake caliper arm of a dovetail groove type convex locking connection structure according to embodiment 2 of the present invention; as shown in fig. 10, a schematic view of a connection structure between a caliper body provided with a dovetail groove type concave locking connection structure and a caliper arm provided with a dovetail groove type convex locking connection structure in a high performance caliper according to embodiment 2 of the present invention; wherein, 9-2 is a welding seam B, and 10-2 is a hard alloy welding layer B; the high-performance brake caliper of the embodiment is structurally divided into a brake caliper body shown in fig. 7 and brake caliper arms shown in fig. 8 and 9, and the brake caliper body and the brake caliper arms are respectively forged and molded by dies; the connecting part of the brake caliper body adopts a dovetail groove type concave locking connecting structure, the brake caliper arm adopts a dovetail groove type convex locking connecting structure, and the dovetail groove type concave locking connecting structure of the brake caliper body has the depth of 10-50mm, the width of 10-80mm and the angle of 30-85 degrees (internal angle); the brake caliper arm is of a dovetail groove type convex locking connection structure, the height is 10-50mm, the width is 10-80mm, and the angle is 30-85 degrees (external angle); the length of the brake caliper arm is 110-372mm, the width is 75mm, and the height is 45-60 mm; the brake caliper body and the brake caliper arms are welded on the basis of mutual falcon joint, the welding seam is shown in figure 10, and the welding seam B9-2; as shown in FIG. 10, the bottom of the caliper body is provided with a hard alloy welding layer 10-2.
Example 3
Fig. 11 is a schematic structural view of a caliper body provided with two dovetail groove type concave locking connection structures according to embodiment 3 of the present invention; as shown in fig. 12, it is a schematic longitudinal sectional view of a brake caliper arm having two dovetail groove type convex locking connection structures according to embodiment 3 of the present invention; FIG. 13 is a schematic cross-sectional view of a brake caliper arm having two dovetail groove-type male locking structures according to embodiment 3 of the present invention; as shown in fig. 14, a schematic view of a connection structure between a caliper body provided with two dovetail groove type concave locking connection structures and a caliper arm provided with two dovetail groove type convex locking connection structures in a high performance caliper according to embodiment 3 of the present invention; wherein, 9-3 is a welding seam C, and 10-3 is a hard alloy welding layer C; the high-performance brake caliper of the embodiment is structurally divided into a brake caliper body shown in fig. 11 and brake caliper arms shown in fig. 12 and 13, and the brake caliper body and the brake caliper arms are respectively forged and molded by dies; the connecting part of the brake caliper body adopts two dovetail groove type concave locking connecting structures, the brake caliper arm adopts two dovetail groove type convex locking connecting structures, and the two parallel dovetail groove type concave locking connecting structures of the brake caliper body have the depth of 10-50mm, the width of 20-100mm and the angle of 30-85 degrees (internal angle); the brake caliper arms are of two parallel dovetail groove type convex locking connection structures, the height of the brake caliper arms is 10-50mm, the width of the brake caliper arms is 20-100mm, and the angle of the brake caliper arms is 30-85 degrees (external angle); the length of the brake caliper arm is 110-372mm, the width is 75mm, and the height is 45-60 mm; the brake caliper body and the brake caliper arms are welded on the basis of mutually falcon joint, the welding seam is shown in figure 14, and the welding seam C9-3; as shown in FIG. 14, the bottom of the caliper body is provided with a hard alloy welding layer 10-3.
Example 4
Fig. 15 is a schematic structural view of a brake caliper body provided with two dovetail groove type convex locking connection structures according to embodiment 4 of the present invention; as shown in fig. 16, a schematic view of a longitudinal cross-sectional structure of a brake caliper arm having two dovetail groove type concave locking connection structures according to embodiment 4 of the present invention is shown; fig. 17 is a schematic cross-sectional view of a brake caliper arm having two dovetail groove type concave locking connection structures according to embodiment 4 of the present invention; as shown in fig. 18, it is a schematic view of a connection structure between a caliper body provided with two dovetail groove type convex locking connection structures and a caliper arm provided with two dovetail groove type concave locking connection structures in a high performance caliper according to embodiment 4 of the present invention; wherein, 9-4 is a welding seam D, and 10-4 is a hard alloy welding layer D; the high-performance brake caliper of the embodiment is structurally divided into a brake caliper body shown in fig. 15 and brake caliper arms shown in fig. 16 and 17, and the brake caliper body and the brake caliper arms are respectively forged and molded by dies; the connecting part of the brake caliper body adopts two dovetail groove type convex locking connecting structures, the brake caliper arm adopts two dovetail groove type concave locking connecting structures, and the two parallel dovetail groove type convex locking connecting structures of the brake caliper body have the height of 10-50mm, the width of 20-100mm and the angle of 30-85 degrees (external angle); the brake caliper arms are of two parallel dovetail groove type concave locking connection structures, the depth of the brake caliper arms is 10-50mm, the width of the brake caliper arms is 20-100mm, and the angle of the brake caliper arms is 30-85 degrees (internal angle); the length of the brake caliper arm is 110-372mm, the width is 75mm, and the height is 45-60 mm; the brake caliper body and the brake caliper arms are welded on the basis of mutual falcon joint, the welding seam is shown in figure 18, and the welding seam D9-4; as shown in FIG. 18, the bottom of the caliper body is provided with a cemented carbide welding layer 10-4.
The preparation process of the high-performance brake caliper is as follows:
the brake caliper body and the brake caliper arm are respectively forged and formed by adopting a die, and after the brake caliper body and the brake caliper arm are forged, two dovetail grooves (a dovetail groove type convex locking connection structure or a dovetail groove type concave locking connection structure) of the brake caliper body and the brake caliper arm are respectively machined; then, press-fitting is carried out by using a press machine, and dovetails (a dovetail groove type convex locking connection structure or a dovetail groove type concave locking connection structure) of the brake caliper body are oppositely inserted into dovetail convex (concave) grooves (a dovetail groove type concave locking connection structure or a dovetail groove type convex locking connection structure) of the brake caliper arm; after press fitting, the dovetail locking joint is welded and solidified along the welding paths shown in fig. 5 (embodiment 1, welding line a), fig. 10 (embodiment 2, welding line B), fig. 14 (embodiment 3, welding line C) and fig. 18 (embodiment 4, welding line D) according to the welding specification requirements, the bottom of the brake caliper is welded with two layers of hard alloy surfacing welding rods, namely a hard alloy welding layer A10-1, a hard alloy welding layer B10-2, a hard alloy welding layer C10-3 and a hard alloy welding layer D10-4, the hardness of the machined surface reaches HRC30-35, and the wear-resisting requirement of the sliding working surface is met.
The high-performance brake caliper is characterized in that the brake caliper for the railway hump freight marshalling yard speed reducer is divided into a brake caliper body and brake caliper arms by improving the structure, and the casting process is changed into the forging process, so that the tensile strength, the ductility, the uniformity of the base performance and the fatigue resistance of the base material of the brake caliper are fundamentally improved, and the reliability and the service life of the brake caliper product are further improved. The main body of the brake caliper is divided into a brake caliper body and a brake caliper arm which have relatively simple structures and are convenient to forge, and the brake caliper body and the brake caliper arm are respectively forged and formed; forming a reliable connecting structure between the brake caliper body and the brake caliper arm by a machining method; and finally, the brake caliper body and the brake caliper arm are connected in a curing mode through a high-performance welding method to form a complete brake caliper product.
The brake caliper body and the brake caliper arm of the high-performance brake caliper can be combined through a dovetail male and female joint, but the combination is not limited to the dovetail male and female joint; and can also be combined by male and female parts with other shapes.
The high-performance brake caliper is connected in a sleeved matching manner by a dovetail connection technology, wherein the dovetail connection technology comprises upper concave convex connection and lower concave convex connection or left concave convex connection and right concave convex connection, so that the condition of breaking a front product is overcome.
The above-mentioned embodiments only represent the preferred embodiments of the present invention, and some modifications which may be made by those skilled in the art to some parts of them represent the principle of the present invention, and are within the protection scope of the present invention.
Claims (10)
1. A high-performance brake caliper is characterized by comprising a brake caliper body and a brake caliper arm, wherein the brake caliper body and the brake caliper arm are connected with each other.
2. High performance brake caliper according to claim 1, wherein a falcon is provided between the caliper body and the caliper arms.
3. High performance brake caliper according to claim 1, wherein the brake caliper body and the caliper arms are welded on a tenoned basis.
4. High performance brake caliper according to claim 2, wherein the brake caliper body is provided with a dovetail-groove male locking connection and the caliper arms are provided with a dovetail-groove female locking connection; or the brake caliper body is provided with a dovetail groove concave locking connecting structure, and the brake caliper arm is provided with a dovetail groove convex locking connecting structure.
5. High performance brake caliper according to claim 2, wherein the body of the brake caliper is provided with two juxtaposed dovetail groove type male locking connections, the arms of the caliper adopting two juxtaposed dovetail groove type female locking connections; or the brake caliper body is provided with two dovetail groove type concave locking connection structures which are arranged in parallel, and the brake caliper arm adopts two dovetail groove type convex locking connection structures which are arranged in parallel.
6. High performance brake caliper according to claim 1, wherein the bottom of the caliper body is provided with a layer of cemented carbide.
7. High performance brake caliper according to claim 4, wherein the dimensions of the dovetail-groove-like convex locking connection of the caliper body are 10-50mm high, 10-80mm wide and 30-85 degrees angular; the dovetail groove type concave locking connecting structure of the brake caliper body is 10-50mm deep, 10-80mm wide and 30-85 degrees in angle.
8. High performance brake caliper according to claim 4, wherein the dimensions of the dovetail-groove-like concave locking connection of the arms of the brake caliper are 10-50mm deep, 10-80mm wide and 30-85 degrees angular; the dovetail groove type convex locking connection structure of the brake caliper arm is 10-50mm high, 10-80mm wide and 30-85 degrees in angle.
9. Brake calliper according to claim 5, wherein the two juxtaposed dovetail groove-like male locking connection structures of the calliper body have dimensions of 10-50mm high, 20-100mm wide and an angle of 30-85 degrees; the two parallel dovetail groove type concave locking connection structures of the brake caliper arm have the depth of 10-50mm, the width of 20-100mm and the angle of 30-85 degrees.
10. Brake calliper according to claim 5, wherein the two juxtaposed dovetail groove-like concave locking connection structures of the calliper body have dimensions of depth 10-50mm, width 20-100mm, angle 30-85 degrees; the two parallel dovetail groove type convex locking connection structures of the brake caliper arm have the dimensions of 10-50mm in height, 20-100mm in width and 30-85 degrees in angle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910977008 | 2019-09-30 | ||
| CN2019109770086 | 2019-09-30 |
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| CN112572519A true CN112572519A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010810328.5A Pending CN112572519A (en) | 2019-09-30 | 2020-08-13 | High-performance brake caliper |
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| CN (1) | CN112572519A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026518A (en) * | 2022-06-28 | 2022-09-09 | 天津铁科铁路信号有限公司 | Method for machining brake caliper of vehicle speed reducer |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115026518A (en) * | 2022-06-28 | 2022-09-09 | 天津铁科铁路信号有限公司 | Method for machining brake caliper of vehicle speed reducer |
| CN115026518B (en) * | 2022-06-28 | 2024-03-22 | 天津铁科铁路信号有限公司 | Machining method for brake caliper of vehicle speed reducer |
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