CN108679123A - Wet type parking brake and engineering machinery - Google Patents
Wet type parking brake and engineering machinery Download PDFInfo
- Publication number
- CN108679123A CN108679123A CN201810905053.6A CN201810905053A CN108679123A CN 108679123 A CN108679123 A CN 108679123A CN 201810905053 A CN201810905053 A CN 201810905053A CN 108679123 A CN108679123 A CN 108679123A
- Authority
- CN
- China
- Prior art keywords
- fixed seat
- wet type
- type parking
- brake
- parking brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
Abstract
The invention discloses a kind of wet type parking brake, including brake ontology, it is equipped with the brake circuit being connected to oil pocket in the brake ontology, the auxiliary oil way being connected to the oil pocket is additionally provided in the brake ontology.On the one hand the application eliminates a series of problems for cavitating and bringing caused by air, on the other hand shorten the response time of brake, not only avoids the friction disc wear caused by opening delay, also reduces the difficulty of hydraulic control.On this basis, present invention also provides a kind of engineering machinery.
Description
Technical field
The present invention relates to brake, more particularly to a kind of wet type parking brake and engineering machinery.
Background technology
In engineering machinery, speed reducer is the transmission parts of key, main to realize deceleration torque and braking action, braking
Device is the component for realizing reductor braking, the mostly closed type structure of friction plate wet braking.
The structure by groups of springs restoring force pressing friction piece group realize braking, need open when, by hydraulic pump to
The hydraulic oil that brake chamber leads to certain pressure pushes piston compressed spring, and friction plate pressure releases, realize the unlatching of brake at this time,
The brake structural is compact, and assembly is simple, and being widely used in engineering machinery walking, elevator and rotary reducer etc. has brake request
Drive apparatus.
Existing brake leads in brake chamber that there are hydraulic oil and large quantity of air because braking chamber air can not be discharged
Mixture, will produce cavitation under the action of Opening pressure, cavitation can generate problems with to brake：
1) sealing element and sealing surfaces is caused the fatigue damages such as spot corrosion, peeling occur.
2) a large amount of bubble makes dynamic sealing face generate part " dry grinding " phenomenon, and sealing element is easy to wear.
3) bubble crumble and fall generate heat cause oil temperature to increase, accelerate oil deterioration.
4) since air compression ratio is big, lead to braking and opening process delay.
Invention content
The purpose of the present invention is to provide a kind of wet type parking brake, to solve above-mentioned technology existing in the prior art
Problem.
Wet type parking brake provided by the invention, including brake ontology, are equipped in the brake ontology and oil pocket
The brake circuit of connection is additionally provided with the auxiliary oil way being connected to the oil pocket in the brake ontology.
Further, the brake ontology includes fixed seat, baffle ring, spring stop, piston, outside friction disc, interior friction
Piece, friction plate backing plate, spline housing and bearing, the baffle ring, spring stop, piston, outside friction disc, inner attrition piece and friction plate pad
Plate is sequentially arranged in the fixed seat, and the spring being connect with the spring stop, the spline housing are equipped in the piston
Device is connect in the piston and by the bearing with the fixed seat, and the outside friction disc is connect with the fixed seat,
The inner attrition piece is mounted on the spline housing, and the oil pocket, the fixation are equipped between the piston and the fixed seat
It is equipped with the brake circuit being connected to the oil pocket in seat, the auxiliary oil way being connected to the oil pocket is additionally provided in the fixed seat.
Further, the plug for blocking the auxiliary oil way is installed in the fixed seat.
Further, the plug is plug screw.
Further, baffle ring and sealing element are installed on the piston side wall.
Further, the baffle ring is loose rib, and the sealing element is star-like sealing ring.
Further, the bearing is deep groove ball bearing.
Further, the fixed seat is equipped with flange.
Further, the flange is structure as a whole with the fixed seat.
Wet type parking brake provided by the invention, has the following advantages that：
The application uses the mode for increasing auxiliary oil way, realizes the effect of smoothly discharge oil pocket inner air.
On the one hand a series of problems for cavitating and bringing caused by air is eliminated, on the other hand shortens the sound of brake
Between seasonable, the friction disc wear caused by opening delay is not only avoided, the difficulty of hydraulic control is also reduced.
This is simple and reliable for structure, is conveniently operated, and in the case where not influencing the topology layout of complete machine, improves brake
Synthetical restraint performance extends the service life of brake.
Brake is widely used in having in the drive apparatus such as the speed reducer of brake request, which can be generalized to all kinds of works
In the brake that journey machinery uses.
In addition, the present invention also provides a kind of engineering machinery, including above-mentioned wet type parking brake.
Using the engineering machinery of above-mentioned wet type parking brake, there is higher use reliability.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the wet type parking brake that the embodiment of the present invention one provides.
Reference numeral：1- brake ontologies；2- oil pockets；3- brake circuits；4- auxiliary oil ways；11- fixed seats；12- baffle rings；
13- spring stops；14- pistons；15- outside friction discs；16- inner attrition pieces；17- friction plate backing plates；18- spline housings；19- bearings；
20- springs；5- plugs；6- baffle rings；7- sealing elements；8- flanges.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Embodiment one：
Fig. 1 is the structural schematic diagram for the wet type parking brake that the embodiment of the present invention one provides；As shown in Figure 1, of the invention
The wet type parking brake that embodiment one provides, including brake ontology 1, interior be equipped with of the brake ontology 1 are connected to oil pocket 2
Brake circuit 3, be additionally provided with the auxiliary oil way 4 being connected to the oil pocket 2 in the brake ontology 1.
The method that the air in oil pocket 2 is discharged in the application is as follows：Opening brake circuit 3 and auxiliary oil way 4 makes about 2 oil pocket
Hydraulic fluid port is in communication with the outside, and injects hydraulic oil to oil pocket 2, as liquid level rises, the air inside oil pocket 2 by auxiliary oil way 4
It is discharged from brake circuit 3, until there is hydraulic oil to be discharged from brake circuit 3.
Embodiment two：
The wet type parking brake that the present embodiment two provides is the wet type parking brake provided embodiment one into one
Step is improved, on the basis of embodiment one and Fig. 1, the wet type parking brake that the present embodiment two provides, including brake sheet
Body 1 is equipped with the brake circuit 3 being connected to oil pocket 2 in the brake ontology 1, be additionally provided in the brake ontology 1 with it is described
The auxiliary oil way 4 that oil pocket 2 is connected to.
The method that the air in oil pocket 2 is discharged in the application is as follows：Opening brake circuit 3 and auxiliary oil way 4 makes about 2 oil pocket
Hydraulic fluid port is in communication with the outside, and injects hydraulic oil to oil pocket 2, as liquid level rises, the air inside oil pocket 2 by auxiliary oil way 4
It is discharged from brake circuit 3, until there is hydraulic oil to be discharged from brake circuit 3.
Specifically, the brake ontology 1 includes fixed seat 11, baffle ring 12, spring stop 13, piston 14, outside friction disc
15, inner attrition piece 16, friction plate backing plate 17, spline housing 18 and bearing 19, the baffle ring 12, piston 14, rub at spring stop 13 outside
Pad 15, inner attrition piece 16 and friction plate backing plate 17 are sequentially arranged in the fixed seat 11, be equipped in the piston 14 with
The spring 20 that the spring stop 13 connects, 18 device of the spline housing is in the piston 14 and passes through the bearing 19 and institute
The connection of fixed seat 11 is stated, the outside friction disc 15 is connect with the fixed seat 11, and the inner attrition piece 16 is mounted on the spline
On set 18, it is equipped with the oil pocket 2 between the piston 14 and the fixed seat 11, is equipped with and the oil pocket in the fixed seat 11
The brake circuits 3 of 2 connections, are additionally provided with the auxiliary oil way 4 being connected to the oil pocket 2 in the fixed seat 11.
Embodiment three：
The wet type parking brake of the offer of the present embodiment three be the wet type parking brake that embodiment one is provided into
One step is improved, on the basis of embodiment one and Fig. 1, the wet type parking brake that the present embodiment three provides, including brake
Ontology 1 is equipped with the brake circuit 3 being connected to oil pocket 2 in the brake ontology 1, is additionally provided in the brake ontology 1 and institute
State the auxiliary oil way 4 of the connection of oil pocket 2.
The method that the air in oil pocket 2 is discharged in the application is as follows：Opening brake circuit 3 and auxiliary oil way 4 makes about 2 oil pocket
Hydraulic fluid port is in communication with the outside, and injects hydraulic oil to oil pocket 2, as liquid level rises, the air inside oil pocket 2 by auxiliary oil way 4
It is discharged from brake circuit 3, until there is hydraulic oil to be discharged from brake circuit 3.
Specifically, the brake ontology 1 includes fixed seat 11, baffle ring 12, spring stop 13, piston 14, outside friction disc
15, inner attrition piece 16, friction plate backing plate 17, spline housing 18 and bearing 19, the baffle ring 12, piston 14, rub at spring stop 13 outside
Pad 15, inner attrition piece 16 and friction plate backing plate 17 are sequentially arranged in the fixed seat 11, be equipped in the piston 14 with
The spring 20 that the spring stop 13 connects, 18 device of the spline housing is in the piston 14 and passes through the bearing 19 and institute
The connection of fixed seat 11 is stated, the outside friction disc 15 is connect with the fixed seat 11, and the inner attrition piece 16 is mounted on the spline
On set 18, it is equipped with the oil pocket 2 between the piston 14 and the fixed seat 11, is equipped with and the oil pocket in the fixed seat 11
The brake circuits 3 of 2 connections, are additionally provided with the auxiliary oil way 4 being connected to the oil pocket 2 in the fixed seat 11.
Specifically, the plug 5 for blocking the auxiliary oil way 4 is installed, when not considering back pressure in the fixed seat 11
When influence auxiliary oil way 4 is blocked using plug 5.
Example IV：
The wet type parking brake that the present embodiment four provides is the wet type parking brake provided embodiment one into one
Step is improved, on the basis of embodiment one and Fig. 1, the wet type parking brake that the present embodiment four provides, including brake sheet
Body 1 is equipped with the brake circuit 3 being connected to oil pocket 2 in the brake ontology 1, be additionally provided in the brake ontology 1 with it is described
The auxiliary oil way 4 that oil pocket 2 is connected to.
The method that the air in oil pocket 2 is discharged in the application is as follows：Opening brake circuit 3 and auxiliary oil way 4 makes about 2 oil pocket
Hydraulic fluid port is in communication with the outside, and injects hydraulic oil to oil pocket 2, as liquid level rises, the air inside oil pocket 2 by auxiliary oil way 4
It is discharged from brake circuit 3, until there is hydraulic oil to be discharged from brake circuit 3.
Specifically, the brake ontology 1 includes fixed seat 11, baffle ring 12, spring stop 13, piston 14, outside friction disc
15, inner attrition piece 16, friction plate backing plate 17, spline housing 18 and bearing 19, the baffle ring 12, piston 14, rub at spring stop 13 outside
Pad 15, inner attrition piece 16 and friction plate backing plate 17 are sequentially arranged in the fixed seat 11, be equipped in the piston 14 with
The spring 20 that the spring stop 13 connects, 18 device of the spline housing is in the piston 14 and passes through the bearing 19 and institute
The connection of fixed seat 11 is stated, the outside friction disc 15 is connect with the fixed seat 11, and the inner attrition piece 16 is mounted on the spline
On set 18, it is equipped with the oil pocket 2 between the piston 14 and the fixed seat 11, is equipped with and the oil pocket in the fixed seat 11
The brake circuits 3 of 2 connections, are additionally provided with the auxiliary oil way 4 being connected to the oil pocket 2 in the fixed seat 11.
Specifically, the plug 5 for blocking the auxiliary oil way 4 is installed, when not considering back pressure in the fixed seat 11
When influence auxiliary oil way 4 is blocked using plug 5.
Specifically, the plug 5 is plug screw.
Embodiment five：
The wet type parking brake that the present embodiment five provides is the wet type parking brake provided embodiment one into one
Step is improved, on the basis of embodiment one and Fig. 1, the wet type parking brake that the present embodiment five provides, including brake sheet
Body 1 is equipped with the brake circuit 3 being connected to oil pocket 2 in the brake ontology 1, be additionally provided in the brake ontology 1 with it is described
The auxiliary oil way 4 that oil pocket 2 is connected to.
The method that the air in oil pocket 2 is discharged in the application is as follows：Opening brake circuit 3 and auxiliary oil way 4 makes about 2 oil pocket
Hydraulic fluid port is in communication with the outside, and injects hydraulic oil to oil pocket 2, as liquid level rises, the air inside oil pocket 2 by auxiliary oil way 4
It is discharged from brake circuit 3, until there is hydraulic oil to be discharged from brake circuit 3.
Specifically, the brake ontology 1 includes fixed seat 11, baffle ring 12, spring stop 13, piston 14, outside friction disc
15, inner attrition piece 16, friction plate backing plate 17, spline housing 18 and bearing 19, the baffle ring 12, piston 14, rub at spring stop 13 outside
Pad 15, inner attrition piece 16 and friction plate backing plate 17 are sequentially arranged in the fixed seat 11, be equipped in the piston 14 with
The spring 20 that the spring stop 13 connects, 18 device of the spline housing is in the piston 14 and passes through the bearing 19 and institute
The connection of fixed seat 11 is stated, the outside friction disc 15 is connect with the fixed seat 11, and the inner attrition piece 16 is mounted on the spline
On set 18, it is equipped with the oil pocket 2 between the piston 14 and the fixed seat 11, is equipped with and the oil pocket in the fixed seat 11
The brake circuits 3 of 2 connections, are additionally provided with the auxiliary oil way 4 being connected to the oil pocket 2 in the fixed seat 11.
Specifically, the plug 5 for blocking the auxiliary oil way 4 is installed, when not considering back pressure in the fixed seat 11
When influence auxiliary oil way 4 is blocked using plug 5.
Specifically, the plug 5 is plug screw.
Specifically, baffle ring 6 and sealing element 7 are installed on 14 side wall of the piston.
Specifically, the baffle ring 6 is loose rib, and the sealing element 7 is star-like sealing ring.
Embodiment six：
The wet type parking brake that the present embodiment six provides is the wet type parking brake provided embodiment one into one
Step is improved, on the basis of embodiment one and Fig. 1, the wet type parking brake that the present embodiment six provides, including brake sheet
Body 1 is equipped with the brake circuit 3 being connected to oil pocket 2 in the brake ontology 1, be additionally provided in the brake ontology 1 with it is described
The auxiliary oil way 4 that oil pocket 2 is connected to.
The method that the air in oil pocket 2 is discharged in the application is as follows：Opening brake circuit 3 and auxiliary oil way 4 makes about 2 oil pocket
Hydraulic fluid port is in communication with the outside, and injects hydraulic oil to oil pocket 2, as liquid level rises, the air inside oil pocket 2 by auxiliary oil way 4
It is discharged from brake circuit 3, until there is hydraulic oil to be discharged from brake circuit 3.
Specifically, the brake ontology 1 includes fixed seat 11, baffle ring 12, spring stop 13, piston 14, outside friction disc
15, inner attrition piece 16, friction plate backing plate 17, spline housing 18 and bearing 19, the baffle ring 12, piston 14, rub at spring stop 13 outside
Pad 15, inner attrition piece 16 and friction plate backing plate 17 are sequentially arranged in the fixed seat 11, be equipped in the piston 14 with
The spring 20 that the spring stop 13 connects, 18 device of the spline housing is in the piston 14 and passes through the bearing 19 and institute
The connection of fixed seat 11 is stated, the outside friction disc 15 is connect with the fixed seat 11, and the inner attrition piece 16 is mounted on the spline
On set 18, it is equipped with the oil pocket 2 between the piston 14 and the fixed seat 11, is equipped with and the oil pocket in the fixed seat 11
The brake circuits 3 of 2 connections, are additionally provided with the auxiliary oil way 4 being connected to the oil pocket 2 in the fixed seat 11.
Specifically, the plug 5 for blocking the auxiliary oil way 4 is installed, when not considering back pressure in the fixed seat 11
When influence auxiliary oil way 4 is blocked using plug 5.
Specifically, the plug 5 is plug screw.
Specifically, baffle ring 6 and sealing element 7 are installed on 14 side wall of the piston.
Specifically, the baffle ring 6 is loose rib, and the sealing element 7 is star-like sealing ring.
Specifically, the bearing 19 is deep groove ball bearing.
Specifically, the fixed seat 11 is equipped with flange 8.
Specifically, the flange 8 is structure as a whole with the fixed seat 11.
Embodiment seven：
Present invention also provides a kind of engineering machinery, including above-mentioned wet type parking brake.
Using the engineering machinery of above-mentioned wet type parking brake, there is higher use reliability.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of wet type parking brake, including brake ontology, the brake ontology is interior to be equipped with the braking being connected to oil pocket
Oil circuit, which is characterized in that be additionally provided with the auxiliary oil way being connected to the oil pocket in the brake ontology.
2. wet type parking brake according to claim 1, which is characterized in that the brake ontology include fixed seat,
Baffle ring, spring stop, piston, outside friction disc, inner attrition piece, friction plate backing plate, spline housing and bearing, the baffle ring, spring catch
Plate, piston, outside friction disc, inner attrition piece and friction plate backing plate are sequentially arranged in the fixed seat, are equipped in the piston
The spring being connect with the spring stop, the spline housing device is in the piston and passes through the bearing and the fixed seat
Connection, the outside friction disc are connect with the fixed seat, and the inner attrition piece is mounted on the spline housing, the piston and institute
It states and is equipped with the oil pocket between fixed seat, the brake circuit being connected to the oil pocket, the fixed seat are equipped in the fixed seat
Inside it is additionally provided with the auxiliary oil way being connected to the oil pocket.
3. wet type parking brake according to claim 2, which is characterized in that be equipped in the fixed seat for blocking
The plug of the auxiliary oil way.
4. wet type parking brake according to claim 3, which is characterized in that the plug is plug screw.
5. wet type parking brake according to claim 2, which is characterized in that be equipped on the piston side wall baffle ring and
Sealing element.
6. wet type parking brake according to claim 5, which is characterized in that the baffle ring is loose rib, the sealing
Part is star-like sealing ring.
7. wet type parking brake according to claim 2, which is characterized in that the bearing is deep groove ball bearing.
8. wet type parking brake according to claim 2, which is characterized in that the fixed seat is equipped with flange.
9. wet type parking brake according to claim 8, which is characterized in that the flange is integrated with the fixed seat
Structure.
10. a kind of engineering machinery, which is characterized in that including the wet type parking brake described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810905053.6A CN108679123A (en) | 2018-08-09 | 2018-08-09 | Wet type parking brake and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810905053.6A CN108679123A (en) | 2018-08-09 | 2018-08-09 | Wet type parking brake and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679123A true CN108679123A (en) | 2018-10-19 |
Family
ID=63815383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810905053.6A Pending CN108679123A (en) | 2018-08-09 | 2018-08-09 | Wet type parking brake and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679123A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696878A (en) * | 2021-08-27 | 2021-11-26 | 东风汽车集团股份有限公司 | Method, device and equipment for preventing brake disc from being rusted and stuck and readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201914233U (en) * | 2011-01-19 | 2011-08-03 | 三一重工股份有限公司 | Control device for parking brake of engineering machinery and parking brake |
| CN103291783A (en) * | 2013-06-25 | 2013-09-11 | 徐州锦程行星传动有限公司 | Optimized brake for crane truck reducing mechanism |
| CN209067719U (en) * | 2018-08-09 | 2019-07-05 | 索特传动设备有限公司 | Wet type parking brake and engineering machinery |
-
2018
- 2018-08-09 CN CN201810905053.6A patent/CN108679123A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201914233U (en) * | 2011-01-19 | 2011-08-03 | 三一重工股份有限公司 | Control device for parking brake of engineering machinery and parking brake |
| CN103291783A (en) * | 2013-06-25 | 2013-09-11 | 徐州锦程行星传动有限公司 | Optimized brake for crane truck reducing mechanism |
| CN209067719U (en) * | 2018-08-09 | 2019-07-05 | 索特传动设备有限公司 | Wet type parking brake and engineering machinery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696878A (en) * | 2021-08-27 | 2021-11-26 | 东风汽车集团股份有限公司 | Method, device and equipment for preventing brake disc from being rusted and stuck and readable storage medium |
| CN113696878B (en) * | 2021-08-27 | 2022-09-30 | 东风汽车集团股份有限公司 | Method, device and equipment for preventing brake disc from being rusted and stuck and readable storage medium |
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