CN2083215U - New-type water-cooled full-disk brake - Google Patents
New-type water-cooled full-disk brake Download PDFInfo
- Publication number
- CN2083215U CN2083215U CN 90212465 CN90212465U CN2083215U CN 2083215 U CN2083215 U CN 2083215U CN 90212465 CN90212465 CN 90212465 CN 90212465 U CN90212465 U CN 90212465U CN 2083215 U CN2083215 U CN 2083215U
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- China
- Prior art keywords
- brake
- piston
- oil cylinder
- nut
- boom
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Abstract
The utility model provides a new-type water-cooled full-disk brake which uses a spring upper brake and a hydraulic releasing brake. The utility model is characterized in that binding clasps 1 are equidistantly fixed to a guiding plate 3 by bolts, a piston 14 in the binding clasp 1 is assembled on one end of an oil cylinder 15, a butterfly-shaped spring 21 is arranged on the other end of the oil cylinder 15, and the oil cylinder 15 and the butterfly-shaped spring 21 are connected to the piston 14 by a big nut 20 and a round nut 19. A push rod 16 is assembled in the piston 14, a stud 13 is fastened in the piston 14, and a nut 24 is screwed on the stud 13. Water grid plates 9 on both sides of a brake disc 4 are engaged with the inner teeth on a fixing sleeve 7, and friction blocks are fixed to the water grid plates 9. The utility model is suitable for mechanical departments such as mining, hoisting, metallurgy, petrifaction, power stations, etc.
Description
The utility model relates to the break in a kind of mechanical transmissioning piece field, as the new expansion of disc brake with fixed caliper, adopts the spring brake application, the novel water-cooled complete disc brake that hydraulic pressure declutches.It can solve heat dissipation problem well, so be specially adapted to lasting working load continuously, changes the occasion use that braking moment participates in speed governing, as departments such as mine, mine hoisting, lifting transportation, metallurgy, oil, chemical industry, power station machineries.
There is a kind of water-cooled complete disc brake in West Germany, and friction material is fixed on the brake disc, thereby, increased the rotary inertia of system, the rotating speed of brake disc will be restricted, again because the uneven wear of friction material, to produce influence of vibration to system, rotating speed is high more, vibration is strong more.The brake application mode is pneumatic or the hydraulic pressure brake application, that is to say that this break must be under the dynamic situation of extraneous conditions being possessed, the braking of ability brake application, if the external world runs out of steam, it just loses braking action, causes the car accident of slipping.This break does not possess resetting means, and specifically brake disc, boom plate, binding clasp all do not have resetting means, and promptly under non-braking state, break will be in irregular bump friction, thereby makes system produce vibration, causes the damage equipment accident.
The utility model is on the basis that overcomes above-mentioned break shortcoming, designs a kind ofly to have under identical braking moment condition that volume is little, in light weight, brake application does not have impact, the novel water-cooled complete disc brake that rotary inertia is little.
Feature of the present utility model is that binding clasp 1 equidistantly is fixed on the guide plate 3 with bolt 25, piston 14 is assemblied in oil cylinder 15 1 ends in the binding clasp 1, butterfly spring 21 is assemblied in oil cylinder 15 the other ends, be connected with piston 14 by big nut 20, round nut 19, push rod 16 is assemblied in the piston 14, and double-screw bolt 13 is fastened in the piston 14, and nut 24 is tightened against on the double-screw bolt 13, external tooth on the boom plate 9 of brake disc 4 both sides and the engagement of the internal tooth on the fixed cover 7, brake pad 23 is fixed on the boom plate 9.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is a kind of concrete structure of the present utility model, four binding clasps (four oil cylinders) plan view.
1, binding clasp 2, cover 3, guide plate 4, brake disc 5, screw rod 6,10 Returnning springs 7, fixed cover 8, support body dish 9, boom plate
23, brake pad
Fig. 2 is that the K of Fig. 1 is to view.
17,18 water-in and water-out interfaces 25, bolt
Fig. 3 is Figure 1A-A sectional view.
11,12, screw 13, double-screw bolt 14, piston 15, oil cylinder
16, push rod (having socket cap or ring head) 19, round nut
20, big nut 21, butterfly spring 22, oil inlet and outlet
Fig. 4 is single binding clasp of the present utility model (oil cylinder) structural drawing.
24, nut
Embodiment one: equidistantly be fixed on the guide plate 3 with bolt 25 with reference to Fig. 1, Fig. 2, Fig. 3, binding clasp 1, make the whole circumference uniform pressure distribution.By screw rod 5 guide plate 3, fixed cover 7 and support body dish 8 are fused.Piston 14 is assemblied in oil cylinder 15 1 ends in the binding clasp 1, and butterfly spring 21 is assemblied in oil cylinder 15 the other ends, is connected with piston 14 by big nut 20, round nut 19.Push rod 16 is assemblied in the piston 14, and double-screw bolt 13 is fastened in the piston 14, and nut 24 is tightened against on the double-screw bolt 13.The boom plate 9 of brake disc 4 both sides links to each other with fixed cover 7 by the tooth engagement, and (the internal tooth engagement on the external tooth on 9 and 7), and can move axially with respect to fixed cover 7, slide relative (tooth) face adopts spraying MoS2 solid lubrication grease lubrication.Boom plate 9 is provided with dividing plate at the intake-outlet place, and entery and delivery port is separated, and current form the loop at boom plate inner chamber, when producing the big and laminar flow heat radiation of heat when not enough, can set up spoiler in the inner chamber of boom plate 9 and form turbulent flow and improve the heat loss through convection ability.Brake disc 4 links to each other with rotating element on this break external device by spline, for further reducing the rotary inertia of brake disc 4, friction block 23 is fixed on the boom plate 9, and brake pad adopts the metallurgical powder friction material.
During operation, at first unclamp screw 12, twist double-screw bolt 13, promote push rod 16, press right side boom 9 by pressing to left side boom plate 9 behind the last brake disc 4, these three be close to successively after, be exactly brake application positive pressure initial calculation point.Piston 14 is toward moving right by piston 14 compact disc springs to continue to twist 13 of double-screw bolts, and imaginary line II (clamped condition) position is exactly required positive pressure if piston 14 moves to right, and the screw 12 of then screwing on is with double-screw bolt 13 lockings.At this moment, oil-filled and and the circuit communication in the left side of oil cylinder.When declutching, pressure oil is pressed into by importing and exporting 22, the promotion piston continues to move to right and is continued to compress to imaginary line III, spring, certain interval is thrown off and kept to two boom plates 9 with brake disc 4, decide on the revolution of brake disc 4 in desired gap, high speed is bigger, is generally about 2mm and causes negative pressure to avoid the gap to form vacuum.When brake application, pressure oil is discharged by oil inlet and outlet 22, and it is the brake application braking that the multiple power of pressure spring moves to left to imaginary line II position piston.Piston 14 moves to right spacing by screw 11, to keep the declutch conformity in gap of a plurality of binding clasps, makes the fine difference of its rigidity because make the error of dish spring, thereby has influenced the non-identity that opens time and compression displacement under same oil sources situation.Will make piston 14 at first be close to screw 11 and obtain spacing for the lower binding clasp dish spring of rigidity.Also have small through hole on the screw 11, because of the oil cylinder right side is a cavity, small through hole is as exhaust port, when piston 14 Mobile Space-time cavity volume change necessary exhaust and air inlet.In order to prevent that dust from being entered by small through hole, be provided with cotton thread or foamed plastics in the small through hole.Screw 11 quantity are 3, guarantee the tram of piston 14 and non-deflection.Binding clasp is equidistantly arranged, moves to guarantee the parallel of boom, when declutching, throws off conscientiously in order to guarantee boom plate 9 and brake disc 4, gets back to normal off-position, is provided with Returnning spring 6 and 10.Spring 6 pushes away that boom plate 9 resets and maintenance and push rod 16 are in contact condition.Spring 10 pushing Moving plates 4 reset and contact spacing with cover 2.When the axle that is braked did not pass break, cover 2 was as the axle head baffle plate, and the center hole of guide plate 3 seals.
Embodiment two: with reference to Fig. 4, be the water-cooled complete disc brake of single binding clasp (oil cylinder), its structure and technical requirements are with embodiment one.
The utility model adopts the separate rear-mounted binding clasp of oil cylinder to circularize and is contained on the break, and be switched on or switched off pressure oil on demand, but thereby both often opened also normally closed, can also change oil cylinder working-pressure, thereby realize the change of braking moment, during urgency, do not stop the rear-mounted binding clasp of the replaceable oil cylinder of work of whole break and adjust the spring upper locking force.
The utility model brake, owing to having adopted coefficient of friction height, compression strength height, good heat conductivity, Heat stability is good and anti abrasive metallurgical powder friction material and being fixed on the boom plate, greatly reduced the rotary inertia of system and solved system's rotating speed restricted problem and overcome the friction material uneven wear system is produced vibration effect, so to make this brake have a volume little because of coefficient of friction height, compression strength height, (its volume and weight be shoe brake about 1/4), the lightweight structure compactness; Continuously long-term work, temperature rise is little; Friction material specific pressure height, wearability and Heat stability is good; Rotary inertia is little; The braking moment broad range of applicability can make 104N.m to 6 * 106More than the N.m; Binding clasp oil cylinder postposition has been avoided leaking oil to the pollution effect of friction pair, owing to adopt low oil pressure, and need oil mass few, and thereby the oil hydraulic system cost is low, for example: 0.088 liter of the brake cumulative fuel consumption of 7000N.M, oil pressure 32bar; Adopt the spring brake application, can guarantee under system runs out of steam situation, can reliably brake, guaranteed Security of the system, the advantage such as also have part generalization degree height, interchangeability is good, and is convenient for installation and maintenance.
Claims (4)
1, a kind of novel water-cooled complete disc brake that connects to form by the screw rod screw by boom plate 9, brake disc 4, guide plate 3, the binding clasp 1 of support body dish 8, fixed cover 7, band brake shoe, it is characterized in that binding clasp 1 equidistantly is fixed on the guide plate 3 with bolt 25, piston 14 is assemblied in oil cylinder 15 1 ends in the binding clasp 1, butterfly spring 21 is assemblied in oil cylinder 15 the other ends, is connected with piston 14 by big nut 20, round nut 19; Push rod 16 is assemblied in the piston 14, and double-screw bolt 13 is fastened in the piston 14, and nut 24 is tightened against on the bolt 13, external tooth on the boom plate 9 of brake disc 4 both sides and the engagement of the internal tooth on the fixed cover 7, and brake pad 23 is fixed on the boom plate 9.
2, novel water-cooled complete disc brake as claimed in claim 1 is characterized in that boom plate 9 inner chambers are provided with dividing plate and spoiler.
3, novel water-cooled complete disc brake as claimed in claim 1 is characterized in that after two boom plates 9 and brake disc 4 are thrown off a gap being arranged, and the optimum distance in this gap is 2mm.
4, novel water-cooled complete disc brake as claimed in claim 1 is characterized in that brake pad 23 adopts the metallurgical powder friction material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90212465 CN2083215U (en) | 1990-03-28 | 1990-03-28 | New-type water-cooled full-disk brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90212465 CN2083215U (en) | 1990-03-28 | 1990-03-28 | New-type water-cooled full-disk brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2083215U true CN2083215U (en) | 1991-08-21 |
Family
ID=4892016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90212465 Withdrawn CN2083215U (en) | 1990-03-28 | 1990-03-28 | New-type water-cooled full-disk brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2083215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374752C (en) * | 2004-11-11 | 2008-03-12 | 丰田自动车株式会社 | Friction engagement device of automatic transmission |
| CN110594320B (en) * | 2019-08-15 | 2021-05-11 | 襄阳彼勒液压机械有限公司 | Wet brake with parking brake |
-
1990
- 1990-03-28 CN CN 90212465 patent/CN2083215U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374752C (en) * | 2004-11-11 | 2008-03-12 | 丰田自动车株式会社 | Friction engagement device of automatic transmission |
| CN110594320B (en) * | 2019-08-15 | 2021-05-11 | 襄阳彼勒液压机械有限公司 | Wet brake with parking brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |