CN201651122U - Hydraulic drum type double-rib shoe backing-pin brake - Google Patents
Hydraulic drum type double-rib shoe backing-pin brake Download PDFInfo
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- CN201651122U CN201651122U CN2010201572931U CN201020157293U CN201651122U CN 201651122 U CN201651122 U CN 201651122U CN 2010201572931 U CN2010201572931 U CN 2010201572931U CN 201020157293 U CN201020157293 U CN 201020157293U CN 201651122 U CN201651122 U CN 201651122U
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- brake shoe
- shoe
- right brake
- brake
- rib
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Abstract
The utility model relates to a hydraulic drum type double-rib shoe backing-pin brake comprising a bracket, a hydraulic slave pump, a left brake shoe and a right brake shoe, wherein the hydraulic slave pump is fixed on the bracket; and the left brake shoe and the right brake shoe are symmetrically arranged on the bracket and are double-rib brake shoes, the top ends of the left brake shoe and the right brake shoe are respectively connected with a left supporting rod and a right supporting rod of the slave pump, the upper ends of the left brake shoe and the right brake shoe are connected through a returning tension spring, and the lower ends of the left brake shoe and the right brake shoe are respectively articulated with the bracket. The left double-rib brake shoe and the right double-rib brake shoe are provided with brake shoe skeletons respectively formed by fixedly combining two parallel steel rib plates with a steel arc-shaped panel. The two parallel rib plates are in spot-welding connection with the arc-shaped panel. The double-rib brake shoes of the hydraulic drum type double-rib shoe backing-pin brake has tiny elastic deformation in the moment of braking to generate huge braking explosive force, and the braking performance, the braking effect and the braking reliability of the brake are all superior to those of the common brake, and the brake is more suitable for braking heavy and large-scale engineering mechanical vehicles.
Description
Technical field
The utility model relates to a kind of Brake for vehicle, especially a kind of hydraulic drum double-reinforcement shoe anchor pin type brake.
Background technique
In heavy vehicles such as engineering machinery, often the break that uses is generally hydraulic drum brake, this break adopts the brake shoe of single reinforcement casting structure usually, left and right brake shoe all has only a braking gusset, and brake shoe adopts the foundry goods manufacturing, not only bulky, heavy, and when skidding, be easy to generate distortion, brake moment and do not have the explosive force generation, after the long-term use, braking shoes cracking easily causes losing efficacy, during in particular for heavy type, large-scale engineering machinery vehicle, can not realize reliable braking, Security can not get guaranteeing.
The model utility content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of hydraulic drum double-reinforcement shoe anchor pin type brake is provided, and the structural rigidity of its break is better, and stopping power is bigger, and the gap is easy to adjust, is applicable to heavy type, large-scale engineering machinery vehicle braked.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of hydraulic drum double-reinforcement shoe anchor pin type brake, comprise carriage, be fixed on the hydraulic pressure wheel cylinder on the carriage and be arranged symmetrically in left and right brake shoe on the carriage, described left and right brake shoe is two muscle formula brake shoes, left and right brake shoe top is connected with the left and right strut of wheel cylinder respectively, left and right brake shoe upper end connects by returning pull-spring, and left and right brake shoe lower end is articulated and connected with carriage respectively.
Described pair of muscle formula brake shoe concrete form is: described left and right pair of muscle formula brake shoe has the brake shoe skeleton, and the brake shoe skeleton is formed by two parallel gussets and curved panel fixed combination respectively.
Further, described gusset and curved panel are steel, are connected for spot welding between two parallel gussets and the curved panel.Gusset is connected with panel spot welding, rigidity, fastness height, and can simplify preparation process, save fabricating cost.
Further, described left and right brake shoe upper end by the returning pull-spring ways of connecting is: left and right brake shoe has the hook post that is fixed on upper end, two gussets intervals, and two parallel returning pull-spring two ends are hooked in respectively on the hook post of left and right brake shoe.
Further, left and right brake shoe lower end with the mode that carriage is articulated and connected is respectively: two gusset lower ends of left and right brake shoe have a pin-and-hole respectively, the carriage lower end has corresponding left and right two pin-and-holes, and left and right brake shoe lower end and carriage pass each self-corresponding pin-and-hole by two bearing pins and be articulated and connected.
Further, left and right brake shoe top with the left and right strut ways of connecting of wheel cylinder is respectively: left and right brake shoe has the fastener that is fixed on top, two gussets intervals, and the fastener of left and right brake shoe is buckled in respectively on the left and right strut of wheel cylinder.
Further, described break has the eccentric adjustment mechanism in gap between two brake drums that are used to regulate left and right brake shoe and break, described eccentric adjustment mechanism top has eccentric cam, and the outer ring of the eccentric cam of two eccentric adjustment mechanisms is pressed on respectively on the gusset inner arc of left and right brake shoe.When left and right brake shoe uses wearing and tearing, occur becoming flexible, the gap between the left and right brake shoe changes, in the time of can not well braking, can regulate gap between left and right brake shoe and the brake drum by rotating left and right two eccentric cams, and then recover the braking effect of break.
Described left and right brake shoe surface has the zinc coat of zinc-plated back formation and the plastic-blasting layer that forms at zinc-plated back plastic-blasting.Like this, make break have dual anticorrosion corrosion resistance, improved the performance of motor vehicles and machines such as coastal and harbour, prolonged the working life of break with against corrosion, acidproof, the alkaline-resisting and salt fog resistance of brake surfaces.
The beneficial effects of the utility model are: a left side of the present utility model, the brake shoe skeleton of right braking hoof is for making up the steel structure integral body that spot welding forms by two parallel steel gussets and an arc steel panel, therefore, the rigidity of its brake shoe and fastness all are better than single reinforcement foundry goods formula brake shoe, the of the present utility model pair of muscle formula brake shoe has the resiliently deformable of trace in skidding moment, thereby produce huge braking explosive force, its braking ability, braking effect, the reliability of braking all is better than common single reinforcement foundry goods formula brake shoe, more is applicable to heavy type, the large-scale engineering machinery vehicle braked.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that C among Fig. 2 is to partial schematic diagram;
Fig. 4 is the structural representation of brake shoe skeleton in the utility model;
Fig. 5 is the right elevation of Fig. 4;
Wherein: 1. carriage, 2. wheel cylinder, 31. left brake shoes, 32. right braking hoofs, 4. gusset, 5. panel, 6. returning pull-spring, 7. bearing pin, 8. eccentric adjustment mechanism.
Embodiment
A kind of hydraulic drum double-reinforcement shoe anchor pin type brake shown in Figure 2 as Fig. 1, comprise carriage 1, be fixed on the hydraulic pressure wheel cylinder 2 on the carriage 1 and be arranged symmetrically in left and right brake shoe 31,32 on the carriage 1, left and right brake shoe 31,32 is two muscle formula brake shoes, is stamped the wheel cylinder dust-proof cover on the wheel cylinder 2.
Shown in Figure 5 as Fig. 4, left and right brake shoe 31,32 has the brake shoe skeleton, the brake shoe skeleton is fixedly formed by two parallel steel gussets 4 and 5 spot welding of steel curved panel respectively, also is fixed with side board on two gussets 4 respectively, and curved panel 5 outsides are fixed with friction plate with rivet.Therefore, the brake shoe rigidity that is made into, fastness height, preparation process is simplified, and cost of production reduces.
Shown in Figure 2 as Fig. 1, left and right brake shoe 31,32 has the hook post that is fixed on upper end, two gussets, 4 interval, and two parallel returning pull-spring 6 two ends are hooked in respectively on the hook post of left and right brake shoe.Two gusset 4 lower ends of left and right brake shoe 31,32 have a pin-and-hole respectively, and carriage 1 lower end has corresponding left and right two pin-and-holes, and left and right brake shoe 31,32 lower ends and carriage 1 pass each self-corresponding pin-and-hole by two bearing pins 7 and be articulated and connected.Therefore, being connected between left and right brake shoe 31,32 and the carriage 1 is more firm, and mounts and dismounts convenient.
Left and right brake shoe 31,32 has the fastener that is fixed on top, two gussets, 4 interval, and the fastener of left and right brake shoe 31,32 is buckled in respectively on the left and right strut of wheel cylinder 2.
Shown in Figure 3 as Fig. 2, break has the eccentric adjustment mechanism 8 in gap between two brake drums that are used to regulate left and right brake shoe 31,32 and break, eccentric adjustment mechanism 8 tops have eccentric cam, eccentric adjustment mechanism 8 is passed behind the hole on the carriage 1 by the stage clip solid pressure on carriage 1, and the outer ring of the eccentric cam of two eccentric adjustment mechanisms 8 is pressed on respectively on gusset 4 inner arcs of left and right brake shoe 31,32.When left and right brake shoe 31,32 uses wearing and tearing, occur loosening, when the excesssive gap between left and right brake shoe 31,32 and the brake drum can not well be braked, can regulate gap between left and right brake shoe 31,32 and the brake drum by rotating left and right two eccentric cams, and then recover the braking effect of break.
Left and right brake shoe 31,32 surfaces have the zinc coat of zinc-plated back formation and the plastic-blasting layer that forms at zinc-plated back plastic-blasting.Like this, make break have dual anticorrosion corrosion resistance, improved the performance of motor vehicles and machines such as coastal and harbour with against corrosion, acidproof, the alkaline-resisting and salt fog resistance of brake surfaces.
During braking, wheel cylinder 2 drives left and right brake shoe 31,32 expansions, and the brake shoe skeleton that is welded with two gussets 4 drives the friction plate friction catch in curved panel 5 outsides, utilizes two returning pull-spring 6 returns.The utlity model has two gussets, two extension spring, double-pin axle and two adjustment cam, the resiliently deformable that trace was arranged in skidding moment, can produce huge braking explosive force, the reliability of its braking ability, braking effect, braking all is better than common single reinforcement foundry goods formula break, more is applicable to heavy type, large-scale engineering machinery vehicle braked.
Claims (8)
1. hydraulic drum double-reinforcement shoe anchor pin type brake, it is characterized in that: comprise carriage (1), be fixed on the hydraulic pressure wheel cylinder (2) on the carriage (1) and be arranged symmetrically in left and right brake shoe (31,32) on the carriage (1), described left and right brake shoe (31,32) is two muscle formula brake shoes, left and right brake shoe (31,32) top is connected with the left and right strut of wheel cylinder (2) respectively, left and right brake shoe (31,32) upper end connects by returning pull-spring (6), and left and right brake shoe (31,32) lower end is articulated and connected with carriage (1) respectively.
2. hydraulic drum double-reinforcement shoe anchor pin type brake according to claim 1, it is characterized in that: described pair of muscle formula brake shoe concrete form is: described left and right brake shoe (31,32) has the brake shoe skeleton, and the brake shoe skeleton is formed by two parallel gussets (4) and curved panel (5) fixed combination respectively.
3. hydraulic drum double-reinforcement shoe anchor pin type brake according to claim 2 is characterized in that: described gusset (4) and curved panel (5) are steel, are connected for spot welding between two parallel gussets (4) and the curved panel (5).
4. hydraulic drum double-reinforcement shoe anchor pin type brake according to claim 2, it is characterized in that: described left and right brake shoe (31,32) upper end by returning pull-spring (6) ways of connecting is: left and right brake shoe (31,32) has the hook post that is fixed on upper end, two gussets (4) interval, and two parallel returning pull-springs (6) two ends are hooked in respectively on the hook post of left and right brake shoe (31,32).
5. hydraulic drum double-reinforcement shoe anchor pin type brake according to claim 2, it is characterized in that: left and right brake shoe (31,32) lower end with the mode that carriage (1) is articulated and connected is respectively: two gussets (4) lower end of left and right brake shoe (31,32) has a pin-and-hole respectively, carriage (1) lower end has corresponding left and right two pin-and-holes, and left and right brake shoe (31,32) lower end and carriage (1) pass each self-corresponding pin-and-hole by two bearing pins (7) and be articulated and connected.
6. hydraulic drum double-reinforcement shoe anchor pin type brake according to claim 2, it is characterized in that: left and right brake shoe (31,32) top with the left and right strut ways of connecting of wheel cylinder (2) is respectively: left and right brake shoe (31,32) has the fastener that is fixed on top, two gussets (4) interval, and the fastener of left and right brake shoe (31,32) is buckled in respectively on the left and right strut of wheel cylinder (2).
7. hydraulic drum double-reinforcement shoe anchor pin type brake according to claim 2, it is characterized in that: described break has the eccentric adjustment mechanism (8) in gap between two brake drums that are used to regulate left and right brake shoe (31,32) and break, described eccentric adjustment mechanism (8) top has eccentric cam, and the outer ring of the eccentric cam of two eccentric adjustment mechanisms (8) is pressed on respectively on gusset (4) inner arc of left and right brake shoe (31,32).
8. hydraulic drum double-reinforcement shoe anchor pin type brake according to claim 1 is characterized in that: described left and right brake shoe (31,32) surface has the zinc coat of zinc-plated back formation and the plastic-blasting layer that forms at zinc-plated back plastic-blasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201572931U CN201651122U (en) | 2010-04-09 | 2010-04-09 | Hydraulic drum type double-rib shoe backing-pin brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201572931U CN201651122U (en) | 2010-04-09 | 2010-04-09 | Hydraulic drum type double-rib shoe backing-pin brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651122U true CN201651122U (en) | 2010-11-24 |
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ID=43116357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201572931U Expired - Fee Related CN201651122U (en) | 2010-04-09 | 2010-04-09 | Hydraulic drum type double-rib shoe backing-pin brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651122U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799051A (en) * | 2010-04-09 | 2010-08-11 | 常州市华众制动器有限公司 | Drum-type hydraulic double-reinforcement shoe anchor pin type brake |
| EP2683380A4 (en) * | 2011-03-10 | 2016-01-20 | Hendrickson Usa Llc | Heavy-duty vehicle brake assembly with sealing interface |
-
2010
- 2010-04-09 CN CN2010201572931U patent/CN201651122U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799051A (en) * | 2010-04-09 | 2010-08-11 | 常州市华众制动器有限公司 | Drum-type hydraulic double-reinforcement shoe anchor pin type brake |
| EP2683380A4 (en) * | 2011-03-10 | 2016-01-20 | Hendrickson Usa Llc | Heavy-duty vehicle brake assembly with sealing interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130409 |