CN104533995B - Drum-type self-adjusting brake of hydraulic single pump - Google Patents
Drum-type self-adjusting brake of hydraulic single pump Download PDFInfo
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- CN104533995B CN104533995B CN201510007175.XA CN201510007175A CN104533995B CN 104533995 B CN104533995 B CN 104533995B CN 201510007175 A CN201510007175 A CN 201510007175A CN 104533995 B CN104533995 B CN 104533995B
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Abstract
The invention discloses a drum-type self-adjusting brake of a hydraulic single pump. The brake comprises a bottom plate. A first brake shoe, a second brake shoe and a supporting pin are arranged on the bottom plate. One end of the first brake shoe and one end of the second brake shoe are connected with the supporting pin. An adjusting mechanism is arranged at the other end of the first brake shoe and the other end of the second brake shoe and connected with a pull rope mechanism connected to the supporting pin. According to the brake, after a friction plate is abraded, when a driver steps on a brake pedal, the pull rope mechanism is driven to pull the adjusting mechanism to adjust the distance between the first brake shoe and the second brake shoe, so that the brake clearance is adjusted to a preset value, and automatic adjustment of the brake clearance of the brake is achieved; the problem of braking delay is solved, and using safety and driving safety are improved. Meanwhile, the brake is simple in structure and low in cost.
Description
Technical field
The present invention relates to brake, and in particular to a kind of drum-type hydraulic list pump self-regulating brake.
Background technology
At present, the brake in being applied to talents for agri-mechanization or other vehicles, the brake of particularly single pump configuration is all
There is no brake clearance from conditioning function.Can realize that brake clearance self-adjusting brake mainly there are two kinds：One kind is double pump knot
The liquid braking device of structure, due to high cost, it is difficult to be received by users；It is another kind of then be to reach self-regulated mesh by hand braking
Ground, but at present the hand braking of talents for agri-mechanization is all to realize parking braking by gearbox, it is impossible to realize brake clearance certainly
Dynamic adjustment.
For above-mentioned reasons, the rear service brake gap adjustment of current talents for agri-mechanization can only individually be adjusted by artificial,
And this artificial adjustment can only be confined to 4S shops or services sites, to users great inconvenience is brought.Friction disc wear
Afterwards, brake clearance increase, in the case of unregulated, can produce braking retardation problem, and to using and driving a vehicle, all bring cannot
The potential safety hazard of estimation.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided can realize brake clearance certainly during a kind of foot brake
Adjust, improve travel safety, lower-cost drum-type hydraulic list pump self-regulating brake.
To achieve these goals, the technical solution used in the present invention is：
The drum-type hydraulic list pump self-regulating brake, including base plate, the base plate is provided with the first brake-shoe, the second brake-shoe
And supporting pin, first brake-shoe and second brake-shoe one end and the support pin connection；First brake-shoe and second
The brake-shoe other end is provided with adjustment mechanism, and the adjustment mechanism is connected with the pull rope mechanism being connected in supporting pin.
The pull rope mechanism includes the drawstring of one end and the support pin connection, the drawstring other end be provided with it is described
The extension spring of adjustment mechanism connection；It is pressed between the drawstring two ends on the guide plate on the first brake-shoe.
The side of the guide plate and drawstring contact is arcuate structure.
The adjustment mechanism includes the sliding piece being flexibly connected with the first brake-shoe, and the sliding piece and the first brake-shoe connect
The one end for connecing and the extension spring connect；Adjust on screw rod and institute including the adjustment screw rod on the first brake-shoe and located at described
State the adjustment gear of sliding piece other end cooperation；Also include on the second brake-shoe and the adjustment spiral shell for adjusting screw rod cooperation
It is female；Sliding piece return spring is set between the sliding piece two ends.
First brake-shoe is provided with the bearing pin being flexibly connected with sliding piece；Described sliding piece return spring one end is fixed
On the bearing pin one end below the sliding piece, the sliding piece return spring other end snaps in sliding piece and adjustment gear
One end bottom of cooperation；It is pressed between the sliding piece return spring two ends on sliding piece top.
The guide plate is sleeved on the guiding bearing pin on the first brake-shoe；First brake-shoe is provided with installation
Hole, is sequentially provided with the first step coordinated with installing hole and the second step for installing the guide plate on the guiding bearing pin；Institute
The axis and second step axis spacing of first step are stated from more than 0.
It is six prisms between first step and second step on the guiding bearing pin.
The drawstring is provided with extension spring support, and the extension spring cantilever tip is provided with the arc convex portion with extension spring adaptation；Institute
State extension spring one end to hang on the extension spring support, the other end of the extension spring is stuck on extension spring support and sliding piece.
One end of the drawstring and the support pin connection is provided with suspension ring, and the suspension ring are inserted in supporting pin and the support
Pin welding.
The supporting pin is provided with the first return spring for being oriented to the connection of bearing pin top on the first brake-shoe and with the
Second return spring of two brake-shoes connection；First brake-shoe and the second brake-shoe set one end of adjustment mechanism and are provided with company
Connect the 3rd return spring of first brake-shoe and the second brake-shoe.
It is an advantage of the current invention that：The drum-type hydraulic list pump self-regulating brake, after friction disc wear, brake clearance is more than setting
During definite value, driver's brake pedal, the first brake-shoe and the second brake-shoe are persistently expanded outwardly；First brake-shoe and second
When the distance that brake-shoe is expanded outwardly is more than brake clearance setting value, pull rope mechanism is driven to pull adjustment mechanism, adjustment first to make
Spacing between dynamic hoof and the second brake-shoe, so as to brake clearance is adjusted to into setting value, realizes the automatic of brake gap
Adjustment；Brake lag issues are solved, is improved and is used and travel safety；Simultaneously the brake structural is simple, low cost.
Description of the drawings
The mark in the content and figure of each width accompanying drawing expression of description of the invention is briefly described below：
Fig. 1 is the structural representation of drum-type hydraulic list pump self-regulating brake of the present invention.
Fig. 2 is the partial structural diagram of the adjustment mechanism position of Fig. 1 drum-type hydraulic list pump self-regulating brakes.
Fig. 3 is the structural representation of the base plate of Fig. 1 drum-type hydraulic list pump self-regulating brakes.
Fig. 4 is the side schematic view of the base plate of Fig. 3 drum-type hydraulic list pump self-regulating brakes.
Fig. 5 is the first brake-shoe of Fig. 1 drum-type hydraulic list pump self-regulating brakes and the structural representation of the second brake-shoe.
Fig. 6 is the structural representation of the pull rope mechanism of Fig. 1 drum-type hydraulic list pump self-regulating brakes.
Fig. 7 is the structural representation of the adjustment mechanism of Fig. 1 drum-type hydraulic list pump self-regulating brakes.
Fig. 8 is the side schematic view of the adjustment mechanism of Fig. 7 drum-type hydraulic list pump self-regulating brakes.
Fig. 9 is the structural representation of the compression spring component of Fig. 1 drum-type hydraulic list pump self-regulating brakes.
Figure 10 is the structural representation of the sliding piece return spring of Fig. 1 drum-type hydraulic list pump self-regulating brakes.
Figure 11 is the structural representation of the guiding bearing pin of Fig. 1 drum-type hydraulic list pump self-regulating brakes.
Figure 12 is the top view of the guiding bearing pin of Fig. 1 drum-type hydraulic list pump self-regulating brakes.
Mark in above-mentioned figure is：
1st, base plate, 2, brake cylinder, the 3, first return spring, 4, be oriented to bearing pin, 5, guide plate, 6, compression spring component, 7, rub
Pad, 8, pull rope mechanism, 9, sliding piece, 10, sliding piece return spring, the 11, the 3rd return spring, 12, adjustment gear, 13, adjust
Whole nut, 14 supporting pins, the 15, first brake-shoe, the 16, second brake-shoe, the 17, second return spring, 18, the tendons of beef, mutton or pork, 19, shoe plate,
20th, rivet, 21, extension spring support, 22, extension spring, 23, drawstring, 24, suspension ring, 25, adjustment screw rod, 26, adjusting sleeve, 27, press spring base,
28th, spring, 29, spring pull bar, 30, first step, 31, second step, 32, six prisms, the 33, first return spring is installed recessed
Groove, 34, clamp nut installation portion, 35, bearing pin, 36, fixing hole.
Specific embodiment
Below against accompanying drawing, by the description to optimum embodiment, the specific embodiment of the present invention is made further in detail
Thin explanation.
As shown in Figures 1 and 2, the drum-type hydraulic list pump self-regulating brake, including base plate 1, base plate 1 is provided with the first braking
Hoof 15, the second brake-shoe 16 and supporting pin 14, the first brake-shoe 15 and the one end of the second brake-shoe 16 and supporting pin 14 connect, and first
Brake cylinder 2 two ends of the one end of the brake-shoe 16 of brake-shoe 15 and second and the connection of supporting pin 14 respectively and on base plate 1
Push rod clamping；First brake-shoe 15 and the other end of the second brake-shoe 16 are provided with adjustment mechanism, adjustment mechanism and are connected to support
Pull rope mechanism 8 on pin 14 is connected.
As shown in Figures 3 and 4, supporting pin 14 is riveted on base plate 1, and supporting pin 14 and base plate 1 constitute the first brake-shoe 15
And second brake-shoe 16 support and positioning carrier.
As shown in figure 5, the first brake-shoe 15 and the second brake-shoe 16 include the tendons of beef, mutton or pork 18, shoe plate 19 is welded with the tendons of beef, mutton or pork 18, is rubbed
Pad 7 is using rivet on shoe plate 19；First brake-shoe 15 and the second brake-shoe 16 and friction plate 7 are to realize that vehicle is braked
Executing agency.
Brake cylinder 2 includes a pump housing, and two pistons are provided with the pump housing, and apron is cased with piston, on two pistons
Push rod is connected with, push rod stretches out the position of the pump housing and is provided with dust cover, and one end that two push rods stretch out is stuck in the first brake-shoe 15
And second on brake-shoe 16.The major function of brake cylinder 2 is two-piston is moved to two ends using the hydraulic pressure in cylinder body, is driven
Two push rods stretch the friction plate 7 connected on the first brake-shoe 15 and the second brake-shoe 16 to extending out, friction plate 7 and brake disc friction
Reach the purpose of braking.
The drum-type hydraulic list pump self-regulating brake, after friction plate 7 weares and teares, when brake clearance is more than setting value, driver steps on
Lower brake pedal, the first brake-shoe 15 and the second brake-shoe 16 are persistently expanded outwardly；First brake-shoe 15 and the second brake-shoe 16
When the distance for expanding outwardly is more than brake clearance setting value, drive pull rope mechanism 8 to pull adjustment mechanism, adjust the first brake-shoe 15
And second spacing between brake-shoe 16, so as to brake clearance is adjusted to into setting value, realize the automatic tune in brake gap
It is whole；Brake lag issues are solved, the security of drum-type hydraulic list pump self-regulating brake is improved.
As shown in fig. 6, pull rope mechanism 8 includes the drawstring 23 that one end and supporting pin 14 connect, the other end of drawstring 23 is provided with
With the extension spring 22 of adjustment mechanism connection；It is pressed between the two ends of drawstring 23 on the guide plate 5 on the first brake-shoe 15.Drawstring
Mechanism 8 is the drive disk assembly of adjustment mechanism.Extension spring 22 causes pull rope mechanism 8 to be in tensioned state all the time, to ensure brake clearance
The promptness and accuracy of adjustment.Guide plate 5 provides support force for the motion of drawstring 23.Guide plate 5 and the side of the contact of drawstring 23
For arcuate structure；Further, the side of guide plate 5 and the contact of drawstring 23 is provided with arc guide groove, and drawstring 23 is located at arc
In shape gathering sill.Guide plate 5 not only has guide effect, drawstring 23 is pressed on all the time on guide plate 5, and can be at utmost
The friction between drawstring 23 and guide plate 5 is reduced, the service life of drawstring 23 is improved.
Adjustment mechanism includes the sliding piece 9 being flexibly connected with the first brake-shoe 15, and the brake-shoe 15 of sliding piece 9 and first connects
One end connect with extension spring 22 simultaneously；Including the adjustment screw rod 25 on the first brake-shoe 15 and on adjustment screw rod 25 and
The adjustment gear 12 that the other end of sliding piece 9 coordinates；Also include on the second brake-shoe 16 and adjust the adjustment that screw rod 25 coordinates
Nut 13；Sliding piece 9 sets sliding piece return spring 10 between two ends.
First brake-shoe 15 is provided with adjusting sleeve 26, and adjustment screw rod 25 one end is inserted in adjusting sleeve 26, can be in adjusting sleeve 26
Interior rotation, the adjustment other end of screw rod 25 is stretched in adjusting nut 13, and adjustment gear 12 is located at adjustment screw rod 25 near adjusting sleeve 26
One end on.Friction plate 7 weares and teares, when brake clearance increases, when the first brake-shoe 15 and the second brake-shoe 16 are expanded outwardly, and drawstring
23 motions drive sliding piece 9 to move；Sliding piece 9 drives adjustment gear 12 to rotate, and then adjustment screw rod 25 is rotated, and changes and adjusts
The link position of whole screw rod 25 and adjusting nut 13 so that the spacing of the second brake-shoe 16 and the second brake-shoe 16 increases so that
Friction plate 7 to brake disc direction is moved, and distance is decreased to set brake clearance value between friction plate 7 and brake disc.Sliding piece 9 per dial
The dynamic adjustment tooth of gear 12 1, adjusting nut 13 outwards advances a distance；Whenever brake clearance increase one apart from when, each time
Braking procedure, can all be such that brake clearance adjusts once, brake clearance is remained in setting range, so as to realize brake cabin
Gap self-regulated purpose.After braking procedure terminates, sliding piece return spring 10 resets sliding piece 9, and drawstring 23 recovers tensioned state, is
Braking self-regulated process next time is ready, and whole self-regulated process terminates.
First brake-shoe 15 is provided with the bearing pin 35 with the connection of sliding piece 9, and sliding piece 9 and bearing pin 35 are flexibly connected, bearing pin
35 provide the fulcrum that sliding piece 9 is rotated.The one end of sliding piece return spring 10 is fixed on bearing pin 35, the He of sliding piece return spring 10
Positioned at the one end of bearing pin 35 connection of the lower section of sliding piece 9, the other end of sliding piece return spring 10 snaps in sliding piece 9 and adjustment gear 12
One end bottom of cooperation；It is pressed between the two ends of sliding piece return spring 10 on the top surface of sliding piece 9.
The one side of sliding piece return spring 10 realizes return after sliding piece 9 stirs adjustment gear 12, on the other hand causes
Sliding piece 9 is always positioned at the side of the gear teeth for adjusting the top of gear 12 and being located at adjustment gear 12, pulls in drawstring 23 and stirs
During piece 9, sliding piece 9 can stir a gear teeth.
Guide plate 5 is sleeved on the guiding bearing pin 4 on the first brake-shoe 15；First brake-shoe 15 is provided with installation
Hole, is oriented on bearing pin 4 second step 31 for being sequentially provided with the first step 30 coordinated with installing hole and installing guide plate 5；First
The axis and the axis spacing of second step 31 of step 30 is from more than 0.Guide plate 5 is enclosed within second step 31, and drawstring 23 is pressed on
On guide plate 5.It is oriented to the one end of bearing pin 4 to connect by clamp nut through installing hole and the first brake-shoe 15.It is inclined to be oriented to bearing pin 4
Heart bearing pin, the axis and the axis of second step 31 of first step 30 is misaligned.It is clamp nut installation portion to be oriented to the bottom of bearing pin 4
34, it is oriented to the top of bearing pin 4 and is provided with the first return spring installation groove 33 for installing the first return spring 3.
The drum-type hydraulic list pump self-regulating brake, during being adjusted, the length of drawstring 23 can be directly resulted in certainly
The reduction or failure of conditioning function.Drawstring 23 during adjustment brake clearance, it is inevitable in manufacture process or assembling process
Meeting produce scale error or site error, the two in addition produced accumulated error can cause the total length or length of drawstring 23 or
It is short.Drawstring 23 has been grown can be caused to adjust gap change greatly, it is impossible to be maintained at normal brake clearance scope；Drawstring 23 is short to be made to dial
Moving plate 9 misplaces with the position of the adjustment tooth of gear 12, leads to not be normally carried out adjustment.Only sliding piece 9 is in raw bits
Drawstring 23 just can guarantee that self-regulated function all the time in the kilter of normal work just at tensioning state when putting.
Guiding bearing pin 4 is eccentric pin shaft, and the bias of eccentric pin shaft causes guide plate 5 to have certain adjustment to drawstring 23
Amount.When drawstring 23 is elongated or becomes in short-term, after unloading lower compression nut, rotates and be oriented to bearing pin 4, when second step 31 follows rotation, lead
There is relative movement to plate 5；So as to reach the purpose for being tensioned to drawstring 23 or loosening so that brake clearance draws in arranges value
Rope 23 is pressed on guide plate 5.
It is six prisms 32 to be oriented on bearing pin 4 between first step 30 and second step 31, and six prisms 32 are easy to be oriented to bearing pin 4
Quick assembling and installation site adjustment.
Drawstring 23 is provided with extension spring support 21, and extension spring support 21 is provided with the arc convex portion with the adaptation of extension spring 22；Extension spring
22 one end are hung on extension spring support 21, and the other end of extension spring 22 is hung on extension spring support 21 and sliding piece 9, the other end of extension spring 22
Hang on the fixing hole 36 coordinated with extension spring 22 set on extension spring support 21 and sliding piece 9.Extension spring support 21 is used for extension spring 22
Fixed installation, to extension spring 22 have protective effect.
One end of drawstring 23 and the connection of supporting pin 14 is provided with suspension ring 24, and suspension ring 24 are inserted in supporting pin 14 and supporting pin 14 is welded
Connect.Suspension ring 24 are used to realize that the fixed reliable of drawstring 23 is installed.
Supporting pin 14 be provided with the first return spring 3 for being oriented to the connection of bearing pin 4 top on the first brake-shoe 15 and and
Second return spring 17 of the connection of the second brake-shoe 16；First brake-shoe 15 and the second brake-shoe 16 are set on one end of adjustment mechanism
It is provided with the 3rd return spring 11 of the first brake-shoe 15 of connection and the second brake-shoe 16.First return spring 3, the second return spring
17 and the 3rd return spring 11, it is ensured that the first brake-shoe 15, the second brake-shoe 16 and sliding piece 9 can reset rapidly after working.
The drum-type hydraulic list pump self-regulating brake, also includes the stage clip on the first brake-shoe 15 and the second brake-shoe 16
Component 6, compression spring component 6 is by upper and lower two press spring base 27, the spring 28 located between press spring base 27 and the stage clip pull bar through spring 28
29 are constituted, and have 4 sets；Their Main Function is to make the first brake-shoe 15 and the second brake-shoe 16 firmly be close to base plate 1, steadily
Work.
The drum-type hydraulic list pump self-regulating brake, when master cylinder by pedal step on downwards into when, brake fluid is from master cylinder
Oil-out along oil pipe enter brake cylinder 2 in, push two-piston in the presence of oil pressure and move out, promote two push rods will
First brake-shoe 15 and the upper friction plate 7 of the second brake-shoe 16 are close to brake drum；The higher brake force of pressure is bigger, until vehicle stops
Only.Brake clearance is (monolateral) more than after 0.5mm (initial brake gap width), and the first brake-shoe 15 and the second brake-shoe 16 are to extending out
The distance opened is more than brake clearance value (0.5mm)；Now guide plate 5 drives pull rope mechanism 8 to tighten up with the movement of the tendons of beef, mutton or pork 18, pulls and dials
Moving plate 9 is rotated around bearing pin 35, is stirred adjustment gear 12 and is rotated, and adjustment screw rod 25 is rotated with, and adjusting nut 13 is pushed out
Enter, while so that the first brake-shoe 15 and the friction plate 7 on the second brake-shoe 16 are outwards advanced.Sliding piece 9 often stirs adjustment tooth
12 1 teeth are taken turns, outwards propulsion 0.041mm (adjustment gap width) of adjusting nut 13, adjustment gap width can be adjusted according to actual needs；
When brake clearance increases 0.041mm (increase gap width), each time braking procedure, can all be such that brake clearance adjusts once,
Brake clearance is set to remain in the range of 0.5mm, so as to realize brake clearance self-regulated purpose.After braking procedure terminates, by
In the effect of returning pull-spring 22, make the first brake-shoe 15 and the return of the second brake-shoe 16 be close to supporting pin 14, drawstring 23 loosens, dial
Moving plate return spring 10 resets sliding piece 9, and pull rope mechanism 8 recovers tensioned state.Carry out for braking self-regulated process next time
Prepare, whole self-regulated process terminates.
Obviously the present invention is implemented and is not subject to the restrictions described above, as long as employing method of the present invention design and skill
The improvement of the various unsubstantialities that art scheme is carried out, within protection scope of the present invention.
Claims (7)
1. a kind of drum-type hydraulic list pump self-regulating brake, including base plate, the base plate is provided with the first brake-shoe, the second brake-shoe
And supporting pin, first brake-shoe and second brake-shoe one end and the support pin connection；It is characterized in that：First system
Dynamic hoof and the second brake-shoe other end are provided with adjustment mechanism, the adjustment mechanism and the pull rope mechanism phase being connected in supporting pin
Connection；The pull rope mechanism includes the drawstring of one end and the support pin connection, and the drawstring other end is provided with and the tune
The extension spring of whole mechanism's connection；It is pressed between the drawstring two ends on the guide plate on the first brake-shoe；The adjustment machine
Structure includes the sliding piece being flexibly connected with the first brake-shoe, one end and the extension spring of the sliding piece and the connection of the first brake-shoe
Connection；Coordinate with the sliding piece other end including the adjustment screw rod on the first brake-shoe and on the adjustment screw rod
Adjustment gear；Also include on the second brake-shoe and the adjusting nut for adjusting screw rod cooperation；The sliding piece two ends
Between set sliding piece return spring；First brake-shoe is provided with adjusting sleeve, and adjustment screw rod one end is inserted in adjusting sleeve, can be
Rotate in adjusting sleeve, the adjustment screw rod other end is stretched in adjusting nut, adjustment gear is located at adjustment screw rod near the one of adjusting sleeve
On end；The guide plate is sleeved on the guiding bearing pin on the first brake-shoe；First brake-shoe is provided with installing hole,
The first step coordinated with installing hole and the second step for installing the guide plate are sequentially provided with the guiding bearing pin；Described
The axis and second step axis spacing of one step is from more than 0.
2. drum-type hydraulic list pump self-regulating brake as claimed in claim 1, it is characterised in that：The guide plate and drawstring are contacted
Side be arcuate structure.
3. drum-type hydraulic list pump self-regulating brake as claimed in claim 1, it is characterised in that：First brake-shoe is provided with
The bearing pin being flexibly connected with sliding piece；Described sliding piece return spring one end is held within the bearing pin one below the sliding piece
On end, the sliding piece return spring other end snaps in one end bottom that sliding piece and adjustment gear coordinate；The sliding piece is returned
It is pressed between the both ends of the spring of position on sliding piece top.
4. drum-type hydraulic list pump self-regulating brake as claimed in claim 1, it is characterised in that：First on the guiding bearing pin
It is six prisms between rank and second step.
5. the drum-type hydraulic list pump self-regulating brake as described in claim 1 or 2 or 3, it is characterised in that：The drawstring is provided with
Extension spring support, the extension spring support is provided with the arc convex portion with extension spring adaptation；Described extension spring one end hangs over the extension spring
On frame, the other end of the extension spring is stuck on extension spring support and sliding piece.
6. drum-type hydraulic list pump self-regulating brake as claimed in claim 5, it is characterised in that：The drawstring and the supporting pin
One end of connection is provided with suspension ring, and the suspension ring are inserted in supporting pin and supporting pin welding.
7. the drum-type hydraulic list pump self-regulating brake as described in claim 1 or 2 or 3, it is characterised in that：Set in the supporting pin
Have and the first return spring for being oriented to the connection of bearing pin top on the first brake-shoe and the second return with the connection of the second brake-shoe
Spring；First brake-shoe and the second brake-shoe set one end of adjustment mechanism and are provided with connection first brake-shoe and second
3rd return spring of brake-shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510007175.XA CN104533995B (en) | 2015-01-07 | 2015-01-07 | Drum-type self-adjusting brake of hydraulic single pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510007175.XA CN104533995B (en) | 2015-01-07 | 2015-01-07 | Drum-type self-adjusting brake of hydraulic single pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533995A CN104533995A (en) | 2015-04-22 |
| CN104533995B true CN104533995B (en) | 2017-05-10 |
Family
ID=52849581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510007175.XA Active CN104533995B (en) | 2015-01-07 | 2015-01-07 | Drum-type self-adjusting brake of hydraulic single pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533995B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523549B (en) * | 2016-12-12 | 2019-07-02 | 浙江亚太机电股份有限公司 | Self-boosting type drum brake with clearance self-regulating mechanism device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3184008A (en) * | 1963-05-15 | 1965-05-18 | Bendix Corp | Automatic adjuster for non-servo brake |
| US4515250A (en) * | 1984-01-20 | 1985-05-07 | Allied Corporation | Spring clutch for duo-servo drum brake |
| US5042623A (en) * | 1989-04-03 | 1991-08-27 | General Motors Corporation | Combined parking brake lever and adjuster in a drum brake |
| US5480010A (en) * | 1994-10-27 | 1996-01-02 | Alliedsignal Inc. | Drum brake adjuster |
| CN204419943U (en) * | 2015-01-07 | 2015-06-24 | 芜湖稳乐制动系统有限公司 | Drum-type hydraulic list pump self-regulating brake |
-
2015
- 2015-01-07 CN CN201510007175.XA patent/CN104533995B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104533995A (en) | 2015-04-22 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Drum-type self-adjusting brake of hydraulic single pump Effective date of registration: 20200311 Granted publication date: 20170510 Pledgee: Huizhou Merchants Bank Wuhu Beijing road sub branch Pledgor: WUHU WENLE BRAKING SYSTEM Co.,Ltd. Registration number: Y2020980000615 |
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