CN203051559U - Freight car drum brake impulse welding bottom plate - Google Patents
Freight car drum brake impulse welding bottom plate Download PDFInfo
- Publication number
- CN203051559U CN203051559U CN 201220663018 CN201220663018U CN203051559U CN 203051559 U CN203051559 U CN 203051559U CN 201220663018 CN201220663018 CN 201220663018 CN 201220663018 U CN201220663018 U CN 201220663018U CN 203051559 U CN203051559 U CN 203051559U
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- plate body
- bottom plate
- plate
- drum brake
- proof cover
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Abstract
The utility model belongs to the technical field of automotive brake fittings, and specifically discloses a freight car drum brake impulse welding bottom plate. The freight car drum brake impulse welding bottom plate comprises a bottom plate body, and a shaft sleeve and a stiffening plate which are sleeved on two ends of the bottom plate body, wherein the middle of the bottom plate body is provided with a round hole, and the surface of the middle of the bottom plate body is provided with a dust cap fixed ring which is arranged coaxially with the round hole; the bottom plate body is integrally formed through a stamping flanging and a ribbing, and the shaft sleeve is a circular pipe which penetrates through the bottom plate body and is welded with the upper and lower surfaces of the bottom plate body; and the dust cap fixed ring and the stiffening plate are both welded on the bottom plate body. The intensity and the rigidity of the freight car drum brake impulse welding bottom plate can reach the same standard as or be even higher than that of the casting bottom plates. By adopting the impulse welding and welding technique to produce the bottom plate of the brake, the process is easy, mechanized volume production is easy to realize, the manufacturing cost is low, meanwhile, the subsequent mass detection is convenient, the rejection rate obtains effective control, and the yield of products is greatly improved.
Description
Technical field
The utility model belongs to automotive brake accessory technical field, is specifically related to a kind of lorry drum brake and dashes the weldering base plate.
Background technique
Break is the important safety component of automobile.At present, domestic cargo vehicle break generally adopts the drum brake structure, and braking bottom board be in the drum brake assembly except brake drum the installation matrix of each part, braking countertorque when braking bottom board is bearing break work, therefore, require braking bottom board to have enough rigidity and intensity, do not allow to lose efficacy, product structure and material have all been proposed higher requirement.
In order to guarantee that braking bottom board has enough rigidity, present stage, domestic braking bottom board generally adopted ripe casting technique production, yet, the casting technique complexity, the cast article defective is many, the cost per unit height, and reject rate is because the self character of casting is difficult to effective control, and environmental pollution is big.
Summary of the invention
At above-mentioned deficiency of the prior art, the utility model aims to provide a kind of energy-conserving and environment-protective, technology is simple, low cost of manufacture can realize producing in enormous quantities, and the lorry drum brake that strength and stiffness all can reach the casting base plate of same size dashes the weldering base plate.
To achieve these goals, the technical solution of the utility model: a kind of lorry drum brake dashes the weldering base plate, comprise axle sleeve and stiffening plate that bottom-plate body, these bottom-plate body two ends have, in the middle part of this bottom-plate body, it is a circular hole, and has the dust-proof cover retaining ring that is coaxially set with circular hole at this bottom-plate body middle part surface, wherein, described bottom-plate body is one-body molded by punching press flange, beading, and described axle sleeve is one to run through bottom-plate body and all weld the pipe of setting with these bottom-plate body top and bottom; Described dust-proof cover retaining ring, stiffening plate all are welded on the described bottom-plate body.
Further, described bottom-plate body is the impact briquetting of High Strength Low Alloy Steel plate.
Described bottom-plate body both sides flange, beading in the same way are 90 ° of turnover structures, and described dust-proof cover retaining ring is welded on the opposite direction surface of bottom-plate body flange; Described stiffening plate is welded on the bottom surface between the bottom-plate body turnover structure.
Parallelism requires to be 0.1mm between the surface of described bottom-plate body and the bottom surface.
Adopt the local welding mode to weld between described dust-proof cover retaining ring and the bottom-plate body.
The internal diameter of described dust-proof cover retaining ring circumferentially is evenly equipped with several mounting holes greater than the internal diameter of described circular hole centered by the circular hole center, bottom-plate body upper edge in dust-proof cover retaining ring inside diameter ranges; And the dust-proof cover retaining ring is provided with several tapped holes.
One runs through the pin-and-hole that the assembling brake shoe anchor is set on described stiffening plate and bottom-plate body.
The beneficial effects of the utility model: adopt the direct impact briquetting bottom-plate body of steel plate, and thereon by welding manner welding axle sleeve, the dust-proof cover retaining ring, stiffening plate guarantees the area of contact with brake camshaft respectively, the installation requirement of dust-proof cover, and the support stiffness after the backing pin assembling, make its strength and stiffness reach the casting base plate of same size, even it is higher, and produce brake backing plate by punching press and welding technique, technology is simple, be easy to realize the mechanization production in enormous quantities, low cost of manufacture, simultaneously follow-up quality testing is convenient, reject rate has obtained effective control, and the yield rate of product improves greatly; In addition, the various disposals of pollutants in the casting technique have been reduced, environmental protection and energy saving.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the perspective view of the utility model brake backing plate;
Fig. 2 is the rear perspective structural drawing of Fig. 1;
Fig. 3 is each parts welding schematic representation among Fig. 1;
Fig. 4 is the sectional view of Fig. 3.
Embodiment
Further describe the utility model below in conjunction with specific embodiment and accompanying drawing.
Brake backing plate in the utility model as depicted in figs. 1 and 2, it comprises axle sleeve 30 and stiffening plate 40 that bottom-plate body 10, these bottom-plate body 10 two ends have, be a circular hole at these bottom-plate body 10 middle parts, and has the dust-proof cover retaining ring 20 that is coaxially set with circular hole at these bottom-plate body 10 middle part surfaces, wherein, axle sleeve 30 is used for cooperating with brake cam; Dust-proof cover retaining ring 20 is used for the stationary positioned dust-proof cover; Stiffening plate 40 is used for strengthening the support strength after the assembling of break backing pin, and improvement is that described bottom-plate body 10 is one-body molded by punching press flange, beading, and described axle sleeve 30 is one to run through bottom-plate body 10 and all weld the pipe of setting with these bottom-plate body 10 top and bottom; Described dust-proof cover retaining ring 20, stiffening plate 40 all are welded on described bottom-plate body 10.
Particularly, shown in Fig. 3,4, adopting thickness is High Strength Low Alloy Steel plate process cutting blanking, punching press flange, beading moulding, punching, the machining again of 12mm, after preferably requiring the machining moulding, the parallelism between bottom-plate body 10 surfaces and the bottom surface requires to reach 0.1mm, wherein, described bottom-plate body 10 both sides flange, beading in the same way are 90 ° of turnover structures, described flange or turnover are beading, mainly are in order to strengthen the structural strength of whole bottom-plate body 10, to be equal to gusset.Described dust-proof cover retaining ring 20 is welded on the opposite direction surface of bottom-plate body 10 flange; Described stiffening plate 40 is welded on the bottom surface between the bottom-plate body 10 turnover structures.
Welding procedure in the utility model all adopts common seam weldering, perhaps play the groove welding, and for adopting the local welding mode to weld between dust-proof cover retaining ring 20 and the bottom-plate body 10, to save weld interval and cost, certainly, in the scope of cost control permission, also setting all can be welded in the slit between dust-proof cover retaining ring 20 and the bottom-plate body 10, to guarantee the stability that installs and fixes the location and the structural strength of dust-proof cover.
The various holes processing of this brake backing plate all is to unify the processing of benchmark location after welding is finished again, the internal diameter of described dust-proof cover retaining ring 20 circumferentially is evenly equipped with several mounting holes greater than the internal diameter of described circular hole centered by the circular hole center, bottom-plate body 10 upper edge in dust-proof cover retaining ring 20 inside diameter ranges; And dust-proof cover retaining ring 20 is provided with several tapped holes, and this tapped hole is used for screw or bolt connects dust-proof cover usefulness.
One runs through the pin-and-hole that the assembling brake shoe anchor is set on described stiffening plate 40 and bottom-plate body 10.
More than technological scheme that the utility model embodiment is provided be described in detail, used specific case herein the utility model embodiment's principle and mode of execution are set forth, above embodiment's explanation only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and application area, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. a lorry drum brake dashes the weldering base plate, comprise axle sleeve (30) and stiffening plate (40) that bottom-plate body (10), this bottom-plate body (10) two ends have, in the middle part of this bottom-plate body (10), it is a circular hole, and has the dust-proof cover retaining ring (20) that is coaxially set with circular hole at this bottom-plate body (10) middle part surface, it is characterized in that: described bottom-plate body (10) is one-body molded by punching press flange, beading, and described axle sleeve (30) is one to run through bottom-plate body (10) and all weld the pipe of setting with this bottom-plate body (10) top and bottom; Described dust-proof cover retaining ring (20), stiffening plate (40) all are welded on the described bottom-plate body (10).
2. lorry drum brake according to claim 1 dashes the weldering base plate, it is characterized in that: described bottom-plate body (10) is the impact briquetting of High Strength Low Alloy Steel plate.
3. lorry drum brake according to claim 1 and 2 dashes the weldering base plate, it is characterized in that: described bottom-plate body (10) both sides flange, beading in the same way are 90 ° of turnover structures, and described dust-proof cover retaining ring (20) is welded on the opposite direction surface of bottom-plate body (10) flange; Described stiffening plate (40) is welded on the bottom surface between bottom-plate body (10) the turnover structure.
4. lorry drum brake according to claim 1 dashes the weldering base plate, it is characterized in that: parallelism requires to be 0.1mm between the surface of described bottom-plate body (10) and the bottom surface.
5. lorry drum brake according to claim 1 dashes the weldering base plate, it is characterized in that: adopt the local welding mode to weld between described dust-proof cover retaining ring (20) and the bottom-plate body (10).
6. lorry drum brake according to claim 1 dashes the weldering base plate, it is characterized in that: the internal diameter of described dust-proof cover retaining ring (20) circumferentially is evenly equipped with several mounting holes greater than the internal diameter of described circular hole centered by the circular hole center, bottom-plate body (10) upper edge in dust-proof cover retaining ring (20) inside diameter ranges; And dust-proof cover retaining ring (20) is provided with several tapped holes.
7. lorry drum brake according to claim 1 dashes the weldering base plate, it is characterized in that: go up one at described stiffening plate (40) and bottom-plate body (10) and run through the pin-and-hole that props up that the assembling brake shoe anchor is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663018 CN203051559U (en) | 2012-12-04 | 2012-12-04 | Freight car drum brake impulse welding bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663018 CN203051559U (en) | 2012-12-04 | 2012-12-04 | Freight car drum brake impulse welding bottom plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051559U true CN203051559U (en) | 2013-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220663018 Expired - Fee Related CN203051559U (en) | 2012-12-04 | 2012-12-04 | Freight car drum brake impulse welding bottom plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996687A (en) * | 2012-12-04 | 2013-03-27 | 重庆市双桥区中帝汽车配件制造有限公司 | Freight car drum brake impulse welding bottom plate and forming process thereof |
| CN105492794A (en) * | 2013-08-16 | 2016-04-13 | 本迪克斯·斯派塞基金会布雷克有限公司 | Heavy duty stamped spider |
-
2012
- 2012-12-04 CN CN 201220663018 patent/CN203051559U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996687A (en) * | 2012-12-04 | 2013-03-27 | 重庆市双桥区中帝汽车配件制造有限公司 | Freight car drum brake impulse welding bottom plate and forming process thereof |
| CN102996687B (en) * | 2012-12-04 | 2015-07-29 | 重庆中帝机械制造股份有限公司 | Wagon drum brake device punching weldering base plate and moulding process thereof |
| CN105492794A (en) * | 2013-08-16 | 2016-04-13 | 本迪克斯·斯派塞基金会布雷克有限公司 | Heavy duty stamped spider |
| CN105492794B (en) * | 2013-08-16 | 2018-07-20 | 本迪克斯·斯派塞基金会布雷克有限公司 | Heavy die forging bottom plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING ZHONGDI MACHINERY MANUFACTURING CO., LTD Free format text: FORMER NAME: CHONGQING ZHONGDI MACHINERY MANUFACTURING LTD. Owner name: CHONGQING ZHONGDI MACHINERY MANUFACTURING LTD. Free format text: FORMER NAME: CHONGQING SHUANGQIAO ZHONGDI AUTO PARTS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400900 B71, Shuangqiao Industrial Zone, Shuangqiao District, Chongqing Patentee after: CHONGQING ZHONGDI MACHINERY MANUFACTURING Co.,Ltd. Address before: 400900 B71, Shuangqiao Industrial Zone, Shuangqiao District, Chongqing Patentee before: Chongqing Dili Machinery Manufacturing Co.,Ltd. Address after: 400900 B71, Shuangqiao Industrial Zone, Shuangqiao District, Chongqing Patentee after: Chongqing Dili Machinery Manufacturing Co.,Ltd. Address before: 400900 B71, Shuangqiao Industrial Zone, Shuangqiao District, Chongqing Patentee before: Chongqing Shuangqiao Zhongdi Auto Parts Manufacturing Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20151204 |
|
| EXPY | Termination of patent right or utility model |