CN205446473U - Wet -type polydisc decompression stopper - Google Patents
Wet -type polydisc decompression stopper Download PDFInfo
- Publication number
- CN205446473U CN205446473U CN201620231542.4U CN201620231542U CN205446473U CN 205446473 U CN205446473 U CN 205446473U CN 201620231542 U CN201620231542 U CN 201620231542U CN 205446473 U CN205446473 U CN 205446473U
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- housing
- bearing
- splined shaft
- drag housing
- wet
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Abstract
The utility model discloses a wet -type polydisc decompression stopper, including fixed portion and rotating part, the rotating part includes integral key shaft and axis of rotation, and the axis of rotation is passed the integral key shaft and is linked firmly with the integral key shaft, fixed portion is including the installation shell, the drag housing, the braking piston, fender dish and bearing housing, the drag housing sets up between installation shell and fender dish, the installation shell, the drag housing is in the same place with fender dish three is fixed, the setting of braking piston is in the drag housing, form the braking chamber between drag housing and the braking piston, it has the hydraulic pressure hydraulic fluid port to open on the drag housing, installation shell a week is opened there are a plurality of installation cavitys, install elasticity arrestment mechanism on the installation cavity, the bearing housing rotates with the integral key shaft to be connected, the bearing housing links firmly with the installation shell, the integral key shaft, the braking piston, form the cooling chamber between drag housing and the fender dish, the cooling intracavity is equipped with the pressure disk, dynamic friction piece and friction plate, the integral key shaft is sealed with the fender dish. The utility model discloses simple structure, the working property is stable, does not need the constant maintenance, long service life, the cost is lower.
Description
Technical field
This utility model belongs to brake technical field, is specifically related to a kind of wet-type multi-disc braker.
Background technology
At present, in order to meet the underground vehicle particular/special requirement to brakes, such as explosion-proof, water proofing property, heat stability, braking reliability etc., the preferable wet multi-disc brake of braking ability in brake many employings engineering machinery.Wet multi-disc brake stable work in work, it is not necessary to often safeguard, is generally 3～5 times of dry brake service life, and using more than 2 years performances will not fail.Wet multi-disc brake is divided into plain edition wet multi-disc brake, wet-type multi-disc braker and multifunctional wet multi-disc brake according to function and operation principle.Plain edition wet multi-disc brake breaks down or accident easily occurs in brake failure during pipelines from bursting at electromotor, generally requires secondary brake system；Multifunctional wet multi-disc brake braking ability is good, but brakes is relative complex, relatively costly.The pretension elastic force of the spring of traditional wet-type multi-disc braker cannot regulate, and friction plate gap in use for some time becomes big, it is impossible to regulation；When electromotor breaks down or during pipelines from bursting, and brake can not release braking wheel lock up；The outer ring of static friction sheet is flower tooth-shape structure, higher to machining requirements, the phenomenon that static friction sheet and drag housing are stuck easily occurs when implementing braking, and the static friction sheet of this flower profile of tooth coordinates with movable friction plate the cooling oil chamber after installing less, it may appear that bad phenomenon of dispelling the heat.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, it is provided that a kind of wet-type multi-disc braker, its simple in construction, stable work in work, it is not necessary to often safeguard, service life is long, advantage of lower cost, can the most comprehensively adapt to existing market demand.
For achieving the above object, the technical solution adopted in the utility model is: a kind of wet-type multi-disc braker, it is characterized in that: include that standing part and rotating part, described rotating part include splined shaft and rotary shaft, described rotary shaft is through splined shaft and fixing with splined shaft is connected；nullDescribed standing part includes mounting shell、Drag housing、Brake piston、Block plate and bearing holder (housing, cover)，Described drag housing is arranged between mounting shell and block plate，Described mounting shell、Drag housing and block plate three are fixed together，Described brake piston is arranged in drag housing，Brake chamber is formed between described drag housing and brake piston，The hydraulic oil port communicated with brake chamber is had on described drag housing，Within one week of described mounting shell, uniformly have multiple installation cavity，It is mounted on brake piston is applied the resilient mechanism of brake force on each described installation cavity，Described bearing holder (housing, cover) passes mounting shell、Drag housing、Brake piston and block plate，Described bearing holder (housing, cover) is rotationally connected between rotary shaft and splined shaft and with splined shaft，Described bearing holder (housing, cover) is fixing with mounting shell to be connected，Described splined shaft、Brake piston、Cooling chamber is formed between drag housing and block plate，It is provided with platen in described cooling chamber、Movable friction plate and static friction sheet，Described platen is positioned close at brake piston，The quantity of described movable friction plate and static friction sheet is multiple，Described movable friction plate and static friction sheet interval are arranged，The inner ring of described movable friction plate couples with splined shaft spline，The outer ring of described static friction sheet couples with drag housing spline，Described splined shaft seals mutually with block plate.
Above-mentioned a kind of wet-type multi-disc braker, it is characterized in that: described resilient mechanism includes holding screw, pressing plate and Rectangular Section Spring, described pressing plate and Rectangular Section Spring are arranged in installation cavity, the two ends of described Rectangular Section Spring hold out against respectively on the end face and brake piston of pressing plate, described holding screw holds out against on the other end of pressing plate through mounting shell and end, described holding screw is threadeded with mounting shell, being provided with the locking nut being matched therewith on described holding screw, described locking nut is positioned on the end face of mounting shell.
Above-mentioned a kind of wet-type multi-disc braker, it is characterised in that: it is provided with O between described pressing plate and mounting shell.
Above-mentioned a kind of wet-type multi-disc braker, it is characterized in that: on the surface of described splined shaft, be provided with the first external splines, the inner ring of described movable friction plate is provided with the first internal spline, described external splines and the first internal spline match, the quantity of described first external splines and the first internal spline is multiple, multiple described first external splines are uniformly arranged, and multiple described first internal splines are uniformly arranged；The outer ring of described static friction sheet is provided with the second external splines, and the inwall of described drag housing is provided with the second internal spline, and described second external splines and the second internal spline match, and the quantity of described second external splines is three, and three described second external splines are uniformly arranged.
Above-mentioned a kind of wet-type multi-disc braker, it is characterized in that: described rotating part also includes wheel hub, described wheel hub is set in outside splined shaft, and described wheel hub is connected by the first screw and splined shaft are fixing, and described splined shaft is fixedly connected with the rotating shaft by the second screw.
Above-mentioned a kind of wet-type multi-disc braker, it is characterized in that: one end of described drag housing is connected by the 3rd screw and mounting shell are fixing, the other end of described drag housing is connected by the 4th screw and block plate are fixing, and described bearing holder (housing, cover) is connected by the 5th screw and mounting shell are fixing.
Above-mentioned a kind of wet-type multi-disc braker, it is characterized in that: described bearing holder (housing, cover) is rotationally connected with splined shaft by clutch shaft bearing, the second bearing and the 3rd bearing, described clutch shaft bearing is arranged on one end of splined shaft, described second bearing and the 3rd bearing are arranged at the other end of splined shaft, described second bearing is between clutch shaft bearing and the 3rd bearing, being provided with spacer ring and internal circlip between described second bearing and the 3rd bearing, described internal circlip is positioned close to the side of the 3rd bearing.
Above-mentioned a kind of wet-type multi-disc braker, it is characterised in that: it is provided with float grease seal between described splined shaft and block plate.
Above-mentioned a kind of wet-type multi-disc braker, it is characterised in that: the side of described drag housing has cooling oil oil-in, and the opposite side of described drag housing has cooling oil oil-out, described cooling oil oil-in and cooling oil oil-out and all communicates with cooling chamber.
Above-mentioned a kind of wet-type multi-disc braker, it is characterized in that: between one end and the drag housing of described brake piston, be provided with the star-like circle of the first hole back-up ring and the first hole, the quantity of described first hole back-up ring is two, and two described first hole back-up rings are separately positioned on the both sides with star-like circle, first hole；The star-like circle of the second hole back-up ring and the second hole it is provided with between the other end and the drag housing of described brake piston.
This utility model compared with prior art has the advantage that
1, this utility model brake has the superior function of parking braking and brake hard, it is also possible to realize service brake, it is not necessary to secondary brake system, and structure is greatly simplified, and volume is little.
2, this utility model brake is in addition to having the feature of plain edition wet multi-disc brake, and compared with the hydraulic system of multifunctional wet multi-disc brake, the hydraulic system of this utility model brake is greatly simplified, and reduces manufacturing cost.
3, this utility model resilient mechanism includes holding screw, pressing plate and Rectangular Section Spring, rotate holding screw and can change its pressure to Rectangular Section Spring, thus regulate the predetermined elastic force of Rectangular Section Spring, locked by locking nut after regulating, use reliable and stable.
4, this utility model is when, after static friction sheet, movable friction plate attrition, the gap between static friction sheet and movable friction plate becomes big, can be regulated the gap of static friction sheet and movable friction plate by regulation holding screw, increase the service life, reduce cost.
5, this utility model breaks down or during pipelines from bursting decompression when electromotor, and brake hard wheel lock up is implemented in brake, unclamps holding screw and releases Rectangular Section Spring pretightning force, thus release parking braking, it is ensured that the safety of vehicle.
6, this utility model changes profile of tooth and the number of teeth of static friction sheet, traditional static friction film clips toothing has been made into three toothings, which reduce its machining difficulty, the phenomenon that static friction sheet is stuck with drag housing in braking procedure is solved in the case of the number of teeth is less, reduce cost, extend its service life.
7, the space in this utility model movable friction plate and three flute profile static friction sheets coordinate rear brake cooling cavities becomes big, thus the storage quantitative change cooling down oil is big, optimizes its heat dispersion.
In sum, this utility model simple in construction, stable work in work, it is not necessary to often safeguard, service life is long, advantage of lower cost, can the most comprehensively adapt to the demand in the market to brake.
Below by drawings and Examples, this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is left view of the present utility model.
Fig. 2 is right view of the present utility model.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is enlarged drawing at the C of Fig. 3.
Fig. 5 is the B-B sectional view of Fig. 2.
Fig. 6 is the installation relation schematic diagram of this utility model drag housing, movable friction plate and static friction sheet.
Fig. 7 is the structural representation of this utility model drag housing.
Fig. 8 is the structural representation of this utility model static friction sheet.
Fig. 9 is the structural representation of this utility model movable friction plate.
Description of reference numerals:
1 the 5th screw；2 cooling oil oil-outs；3 mounting shells；
3-1 installation cavity；4 pressing plates；5 holding screws；
6 locking nuts；7 O；8 Rectangular Section Springs；
9 brake pistons；10 second hole back-up rings；The 11 second star-like circles in hole；
12 drag housings；12-1 the second internal spline；13 first hole back-up rings；
The 14 first star-like circles in hole；15-1 the second bearing；15-2 the 3rd bearing；
16 platens；17 movable friction plates；17-1 the first internal spline；
18 static friction sheets；18-1 the second external splines；19 internal circlips；
20 splined shafts；20-1 the first external splines；21 float grease seals；
22 the 3rd screws；23 cooling chambers；24 spacer rings；
25 hydraulic oil port；26 brake chambers；27 the 4th screws；
28 block plates；29 cooling oil oil-ins；30 clutch shaft bearings；
31 rotary shafts；32 bearing holder (housing, cover)s；33 second screws；
34 wheel hubs；35 first screws；36 the 6th screws.
Detailed description of the invention
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, this utility model includes that standing part and rotating part, described rotating part include splined shaft 20 and rotary shaft 31, and described rotary shaft 31 is through splined shaft 20 and fixing with splined shaft 20 is connected；nullDescribed standing part includes mounting shell 3、Drag housing 12、Brake piston 9、Block plate 28 and bearing holder (housing, cover) 32，Described drag housing 12 is arranged between mounting shell 3 and block plate 28，Described mounting shell 3、Drag housing 12 and block plate 28 three are fixed together，Described brake piston 9 is arranged in drag housing 12，Brake chamber 26 is formed between described drag housing 12 and brake piston 9，The hydraulic oil port 25 communicated with brake chamber 26 is had on described drag housing 12，One week of described mounting shell 3 uniformly has multiple installation cavity 3-1，It is mounted on brake piston 9 is applied the resilient mechanism of brake force on each described installation cavity 3-1，Described bearing holder (housing, cover) 32 is through mounting shell 3、Drag housing 12、Brake piston 9 and block plate 28，Described bearing holder (housing, cover) 32 is rotationally connected between rotary shaft 31 and splined shaft 20 and with splined shaft 20，Described bearing holder (housing, cover) 32 is fixing with mounting shell 3 to be connected，Described splined shaft 20、Brake piston 9、Cooling chamber 23 is formed between drag housing 12 and block plate 28 4，It is provided with platen 16 in described cooling chamber 23、Movable friction plate 17 and static friction sheet 18，Described platen 16 is positioned close at brake piston 9，The quantity of described movable friction plate 17 and static friction sheet 18 is multiple，Described movable friction plate 17 and static friction sheet 18 interval are arranged，The inner ring of described movable friction plate 17 couples with splined shaft 20 spline，The outer ring of described static friction sheet 18 couples with drag housing 12 spline，Described splined shaft 20 seals with block plate 28 phase.The inner ring of movable friction plate 17 couples with splined shaft 20 spline, can rotate with movable friction plate 17, and the outer ring of static friction sheet 18 couples with drag housing 12 spline, and static friction sheet 18 does not rotates with drag housing 12.
As shown in Figure 3 and Figure 5, described resilient mechanism includes holding screw 5, pressing plate 4 and Rectangular Section Spring 8, described pressing plate 4 and Rectangular Section Spring 8 are arranged in installation cavity 3-1, the two ends of described Rectangular Section Spring 8 hold out against respectively on the end face and brake piston 9 of pressing plate 4, described holding screw 5 holds out against on the other end of pressing plate 4 through mounting shell 3 and end, described holding screw 5 is threadeded with mounting shell 3, being provided with the locking nut 6 being matched therewith on described holding screw 5, described locking nut 6 is positioned on the end face of mounting shell 3.During work, its pressure to Rectangular Section Spring 8 can be changed by screwing holding screw 5, thus regulate the predetermined elastic force of Rectangular Section Spring 8, be locked by locking nut 6 after regulating.
As shown in Figure 3 and Figure 5, being provided with O 7 between described pressing plate 4 and mounting shell 3, the effect of O 7 is sealing, damping.
As shown in Fig. 3, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the first external splines 20-1 it is provided with on the surface of described splined shaft 20, the inner ring of described movable friction plate 17 is provided with the first internal spline 17-1, described external splines 20-1 and the first internal spline 17-1 matches, the quantity of described first external splines 20-1 and the first internal spline 17-1 is multiple, multiple described first external splines 20-1 are uniformly arranged, and multiple described first internal spline 17-1 are uniformly arranged；The outer ring of described static friction sheet 18 is provided with the second external splines 18-1, the second internal spline 12-1 it is provided with on the inwall of described drag housing 12, described second external splines 18-1 and the second internal spline 12-1 matches, the quantity of described second external splines 18-1 is three, and three described second external splines 18-1 are uniformly arranged.The outer ring of static friction sheet 18 arranges three the second external splines 18-1, the i.e. outer ring of static friction sheet 18 uses three flute profile splines to be coupled by spline with drag housing 12, change profile of tooth and the number of teeth of static friction sheet 18, which reduce mach difficulty, in the case of the number of teeth is less, solves the phenomenon that static friction sheet 18 is stuck, extends its service life；Meanwhile, the space in cooling chamber 23 after static friction sheet 18 coordinates is increased with movable friction plate 17 so that the storage quantitative change of cooling oil is big, optimizes its heat dispersion.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, described rotating part also includes wheel hub 34, described wheel hub 34 is set in outside splined shaft 20, and described wheel hub 34 is connected by the first screw 35 is fixing with splined shaft 20, and described splined shaft 20 is connected by the second screw 33 is fixing with rotary shaft 31.
As it is shown in figure 5, one end of described drag housing 12 is connected by the 3rd screw 22 is fixing with mounting shell 3, the other end of described drag housing 12 is connected by the 4th screw 27 is fixing with block plate 28, and described bearing holder (housing, cover) 32 is connected by the 5th screw 1 is fixing with mounting shell 3.
As shown in Figure 3 and Figure 5, described bearing holder (housing, cover) 32 is rotationally connected with splined shaft 20 by clutch shaft bearing the 30, second bearing 15-1 and the 3rd bearing 15-2, described clutch shaft bearing 30 is arranged on one end of splined shaft 20, described second bearing 15-1 and the 3rd bearing 15-2 is arranged at the other end of splined shaft 20, described second bearing 15-1 is between clutch shaft bearing 30 and the 3rd bearing 15-2, being provided with spacer ring 24 and internal circlip 19 between described second bearing 15-1 and the 3rd bearing 15-2, described internal circlip 19 is positioned close to the side of the 3rd bearing 15-2.Internal circlip 19 uses nylon to make.
As shown in Figure 3 and Figure 5, it is provided with float grease seal 21, good seal performance between described splined shaft 20 and block plate 28.
As shown in Figure 3 and Figure 5, the side of described drag housing 12 has cooling oil oil-in 29, and the opposite side of described drag housing 12 has cooling oil oil-out 2, and described cooling oil oil-in 29 and cooling oil oil-out 2 all communicate with cooling chamber 23.When adding cooling oil, cooling oil enters cooling chamber 23 from cooling oil oil-in 29, and during work, static friction sheet 18 is cooled down by cooling oil with movable friction plate 17, as regularly replaced cooling oil, opens cooling oil oil-out 2, discharges the cooling oil in cooling chamber 23.
As shown in Fig. 3, Fig. 4 and Fig. 5, the star-like circle 14 in the first hole back-up ring 13 and the first hole it is provided with between one end and the drag housing 12 of described brake piston 9, the quantity of described first hole back-up ring 13 is two, and two described first hole back-up rings 13 are separately positioned on the both sides with star-like circle 14, first hole；The star-like circle 11 in the second hole back-up ring 10 and the second hole it is provided with between the other end and the drag housing 12 of described brake piston 9.The first hole star-like circle 11 of star-like circle 14 and the second hole all uses rubber to make.
Operation principle of the present utility model is: during use, wheel hub 34 is fixed on car body tire, rotating part is integrally attached on car body tire, bearing holder (housing, cover) 32 is fixed on vehicle body braking bridge, so that standing part is integrally attached on vehicle body braking bridge by the 6th screw 36 arranged on bearing holder (housing, cover) 32.Vehicle, during normal traveling, is filled with hydraulic oil in brake chamber 26, the pressure that hydraulic oil produces promotes brake piston 9 to overcome the elastic force of Rectangular Section Spring 8 to make brake piston 9 separate with platen 16, and vehicle is in brakeless state.When needs service brake, unloading a certain amount of hydraulic oil, Rectangular Section Spring 8 promotes brake piston 9 to compress platen 16, and platen 16 promotes static friction sheet 18 to compress with movable friction plate 17 and produces frictional force, the frictional resistance moment that this frictional force is formed makes splined shaft 20 stall, so that wheel braking.Parking braking is to unload hydraulic oil completely, Rectangular Section Spring 8 promotes brake piston 9 under the elastic force effect of Rectangular Section Spring 8, thus promoting static friction sheet 18 and movable friction plate 17 to compress and produce frictional force, the frictional resistance moment that this frictional force is formed makes splined shaft 20 stall, wheel braking.
When electromotor breaks down or brake chamber 26 decompression during pipelines from bursting, now need vehicle brake to be in the brake hard of parking braking state at once, protect vehicle safety.Now can turn holding screw 5 and release the thrust to Rectangular Section Spring 8, make brake piston 9 depart from platen 16, thus static friction sheet 18 and the moment of friction disappearance of movable friction plate 17, release braking.
When, after static friction sheet 18, movable friction plate 17 attrition, static friction sheet 18 becomes big with the gap of movable friction plate 17, and specified brake force diminishes, the predetermined elastic force of Rectangular Section Spring 8 can be regulated now by regulation holding screw 5, thus reduce cost.
The above; it it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation made above example according to this utility model technical spirit, all still falls within the protection domain of technical solutions of the utility model.
Claims (10)
1. a wet-type multi-disc braker, it is characterized in that: include standing part and rotating part, described rotating part includes splined shaft (20) and rotary shaft (31), and described rotary shaft (31) is through splined shaft (20) and fixing with splined shaft (20) is connected；nullDescribed standing part includes mounting shell (3)、Drag housing (12)、Brake piston (9)、Block plate (28) and bearing holder (housing, cover) (32)，Described drag housing (12) is arranged between mounting shell (3) and block plate (28)，Described mounting shell (3)、Drag housing (12) and block plate (28) three are fixed together，Described brake piston (9) is arranged in drag housing (12)，Brake chamber (26) is formed between described drag housing (12) and brake piston (9)，The hydraulic oil port (25) communicated with brake chamber (26) is had on described drag housing (12)，One week of described mounting shell (3) uniformly has multiple installation cavity (3-1)，It is mounted on brake piston (9) is applied the resilient mechanism of brake force on each described installation cavity (3-1)，Described bearing holder (housing, cover) (32) passes mounting shell (3)、Drag housing (12)、Brake piston (9) and block plate (28)，Described bearing holder (housing, cover) (32) is positioned between rotary shaft (31) and splined shaft (20) and is rotationally connected with splined shaft (20)，Described bearing holder (housing, cover) (32) is fixing with mounting shell (3) to be connected，Described splined shaft (20)、Brake piston (9)、Cooling chamber (23) is formed between drag housing (12) and block plate (28) four，Platen (16) it is provided with in described cooling chamber (23)、Movable friction plate (17) and static friction sheet (18)，Described platen (16) is positioned close to brake piston (9) place，The quantity of described movable friction plate (17) and static friction sheet (18) is multiple，Described movable friction plate (17) and static friction sheet (18) interval are arranged，The inner ring of described movable friction plate (17) couples with splined shaft (20) spline，The outer ring of described static friction sheet (18) couples with drag housing (12) spline，Described splined shaft (20) seals mutually with block plate (28).
2. according to a kind of wet-type multi-disc braker described in claim 1, it is characterized in that: described resilient mechanism includes holding screw (5), pressing plate (4) and Rectangular Section Spring (8), described pressing plate (4) and Rectangular Section Spring (8) are arranged in installation cavity (3-1), the two ends of described Rectangular Section Spring (8) hold out against respectively on the end face and brake piston (9) of pressing plate (4), described holding screw (5) holds out against on the other end of pressing plate (4) through mounting shell (3) and end, described holding screw (5) is threadeded with mounting shell (3), the locking nut (6) being matched therewith it is provided with on described holding screw (5), described locking nut (6) is positioned on the end face of mounting shell (3).
3. according to a kind of wet-type multi-disc braker described in claim 2, it is characterised in that: it is provided with O (7) between described pressing plate (4) and mounting shell (3).
4. according to a kind of wet-type multi-disc braker described in claim 1, it is characterized in that: on the surface of described splined shaft (20), be provided with the first external splines (20-1), the inner ring of described movable friction plate (17) is provided with the first internal spline (17-1), described external splines (20-1) matches with the first internal spline (17-1), the quantity of described first external splines (20-1) and the first internal spline (17-1) is multiple, multiple described first external splines (20-1) are uniformly arranged, multiple described first internal splines (17-1) are uniformly arranged；The outer ring of described static friction sheet (18) is provided with the second external splines (18-1), the second internal spline (12-1) it is provided with on the inwall of described drag housing (12), described second external splines (18-1) is matched with the second internal spline (12-1), the quantity of described second external splines (18-1) is three, and three described second external splines (18-1) are uniformly arranged.
5. according to a kind of wet-type multi-disc braker described in claim 1, it is characterized in that: described rotating part also includes wheel hub (34), described wheel hub (34) is set in splined shaft (20) outward, described wheel hub (34) is connected by the first screw (35) and splined shaft (20) are fixing, and described splined shaft (20) is connected by the second screw (33) and rotary shaft (31) are fixing.
6. according to a kind of wet-type multi-disc braker described in claim 5, it is characterized in that: one end of described drag housing (12) is connected by the 3rd screw (22) and mounting shell (3) are fixing, the other end of described drag housing (12) is connected by the 4th screw (27) and block plate (28) are fixing, and described bearing holder (housing, cover) (32) is connected by the 5th screw (1) and mounting shell (3) are fixing.
null7. according to a kind of wet-type multi-disc braker described in claim 1，It is characterized in that: described bearing holder (housing, cover) (32) passes through clutch shaft bearing (30)、Second bearing (15-1) and the 3rd bearing (15-2) are rotationally connected with splined shaft (20)，Described clutch shaft bearing (30) is arranged on one end of splined shaft (20)，Described second bearing (15-1) and the 3rd bearing (15-2) are arranged at the other end of splined shaft (20)，Described second bearing (15-1) is positioned between clutch shaft bearing (30) and the 3rd bearing (15-2)，It is provided with spacer ring (24) and internal circlip (19) between described second bearing (15-1) and the 3rd bearing (15-2)，Described internal circlip (19) is positioned close to the side of the 3rd bearing (15-2).
8. according to a kind of wet-type multi-disc braker described in claim 1, it is characterised in that: it is provided with float grease seal (21) between described splined shaft (20) and block plate (28).
9. according to a kind of wet-type multi-disc braker described in claim 1, it is characterized in that: the side of described drag housing (12) has cooling oil oil-in (29), the opposite side of described drag housing (12) has cooling oil oil-out (2), and described cooling oil oil-in (29) and cooling oil oil-out (2) all communicate with cooling chamber (23).
10. according to a kind of wet-type multi-disc braker described in claim 1, it is characterized in that: between one end and the drag housing (12) of described brake piston (9), be provided with the first hole back-up ring (13) and the star-like circle in the first hole (14), the quantity of described first hole back-up ring (13) is two, and two described first hole back-up rings (13) are separately positioned on the both sides with star-like circle (14), first hole；It is provided with the second hole back-up ring (10) and the star-like circle in the second hole (11) between the other end and the drag housing (12) of described brake piston (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231542.4U CN205446473U (en) | 2016-03-24 | 2016-03-24 | Wet -type polydisc decompression stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231542.4U CN205446473U (en) | 2016-03-24 | 2016-03-24 | Wet -type polydisc decompression stopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446473U true CN205446473U (en) | 2016-08-10 |
Family
ID=56574986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620231542.4U Expired - Fee Related CN205446473U (en) | 2016-03-24 | 2016-03-24 | Wet -type polydisc decompression stopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446473U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757144A (en) * | 2016-03-24 | 2016-07-13 | 西安科技大学 | Wet multi-disc decompression brake |
| CN106286630A (en) * | 2016-10-19 | 2017-01-04 | 徐州科源液压股份有限公司 | Wheel limit row parking one multi-sheet wet-type brake |
-
2016
- 2016-03-24 CN CN201620231542.4U patent/CN205446473U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757144A (en) * | 2016-03-24 | 2016-07-13 | 西安科技大学 | Wet multi-disc decompression brake |
| CN105757144B (en) * | 2016-03-24 | 2017-05-17 | 西安科技大学 | Wet multi-disc decompression brake |
| CN106286630A (en) * | 2016-10-19 | 2017-01-04 | 徐州科源液压股份有限公司 | Wheel limit row parking one multi-sheet wet-type brake |
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