CN108301929A - A kind of exhaust brake valve - Google Patents
A kind of exhaust brake valve Download PDFInfo
- Publication number
- CN108301929A CN108301929A CN201810190315.5A CN201810190315A CN108301929A CN 108301929 A CN108301929 A CN 108301929A CN 201810190315 A CN201810190315 A CN 201810190315A CN 108301929 A CN108301929 A CN 108301929A
- Authority
- CN
- China
- Prior art keywords
- support plate
- valve
- exhaust brake
- cylinder
- push rod
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
- F02D9/06—Exhaust brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
A kind of exhaust brake valve, including manipulating cylinder, support plate, valve body, operating mechanism, housing, operating mechanism includes No.1 shaft, No. two shafts, sliding pin, one end of No.1 shaft is equipped with No.1 rocking arm, the other end of No.1 shaft drawing-in support plate successively, it is connected with No.1 valve block after valve body, one end of No. two shafts is equipped with No. two rocking arms, the other end of No. two shafts drawing-in support plate successively, it is connected with No. two valve blocks after valve body, No.1 rocking arm is located at the top of No. two rocking arms, No.1 rocking arm, No.1 sliding slot is offered respectively on No. two rocking arms, No. two sliding slots, the piston push rod for manipulating cylinder is connected with mounting bracket, mounting hole is offered in mounting bracket, sliding pin No. two sliding slots of drawing-in successively, No.1 sliding slot, it is fixed by split pin after mounting hole.The design can not only effectively solve the problems, such as operating mechanism failure, piston push rod eccentric wear and hair fastener, and simple in structure, simple installation, reliability are high, good airproof performance.
Description
Technical field
The present invention relates to exhaust brake technical field more particularly to a kind of exhaust brake valves, are primarily adapted for use in solution and manipulate
The problem of failure mechanisms and piston push rod eccentric wear and hair fastener.
Background technology
Current exhaust brake valve is mainly to push piston push rod movement by the compressed air manipulated in cylinder, and then push
One rotates with the rocking arm that valve block shaft is connected, and then realizes the closing of braking valve block, is unloaded when manipulating compressed air pressure in cylinder
It goes, braking valve block is realized under engine back pressure effect to be resetted, and band moving valve plate shaft rotates in turn, and then pushes rocking arm
Rotation, and realize the reset of piston push rod；It manipulates cylinder tail portion to be fixed on manipulation cylinder support plate by removable pin, whole process,
Manipulating cylinder can be as the change of working condition be by the component along rocking arm axis direction, and constantly deflects.
The main failure of current exhaust brake valve is to manipulate cylinder hair fastener, piston eccentric wear, manipulate cylinder gas leakage, piston O-ring mill
The reasons such as damage, auxiliary connection looseness, these failures are largely and the stress shape of current most of exhaust brake valve operating mechanisms
State is related.Current many exhaust brake valves manipulate cylinder tail portion and are hinged with holder, and piston push rod is hinged with rocking arm, and point of interface is opposite to be transported
Dynamic excessive, reliability substantially reduces；All kinematic pairs are fully exposed in external environment, and the external environments factor such as dust, steam all adds
The failure of acute kinematic pair；In the case of the push rod of cantilever beam structure is by larger vibration in the course of work, auxiliary connection loosening, each component
The failures such as abrasion further deteriorate；Further, since the presence of rocking arm so that manipulating cylinder push rod is executing being turned on and off for valve block
When, suffered power and piston push rod axis are misaligned, and there are transverse components, be easy to cause piston or piston O-ring eccentric wear, into
And causes to manipulate cylinder gas leakage and manipulate the failures such as cylinder hair fastener.
Chinese patent, Authorization Notice No. CN203962167U, authorized announcement date are that the practicality on November 26th, 2014 is new
Type discloses a kind of type exhaust brake valve, and valve block is equipped with by shaft in valve body, and shaft stretches out valve body and the swing arm one end and
It is fixedly connected, swing arm has the support plate being fixed on valve body, and the other end of support plate is connected with cylinder by bolt axle
The piston shaft end of tail end, cylinder is connected by bolt axle with swing arm other end, and oscillating bearing is cased in bolt axle, oscillating bearing
Outside is equipped with dust-proof felt.Although the utility model can extend the working life of air bleeding valve, it still has following defect：
The utility model controls valve block by swing arm and bolt axle, and such design not only relatively easily leads to operating mechanism failure, but also living
Plug axis is easier to eccentric wear and hair fastener.
Invention content
The purpose of the present invention is overcome vulnerable operating mechanism existing in the prior art, the easy eccentric wear of piston push rod and hair fastener
Defect and problem, provide it is a kind of can effectively solve the problems, such as operating mechanism failure, piston push rod eccentric wear and hair fastener exhaust brake
Valve.
In order to achieve the above object, technical solution of the invention is：A kind of exhaust brake valve, including manipulate cylinder, support
Plate, valve body, the cylinder that manipulates are mounted on the upper surface of support plate, and the valve body is mounted on the lower face of support plate, described
The piston push rod for manipulating cylinder is connected by operating mechanism with the valve block in valve body, and the operating mechanism includes one to be mutually parallel
Number shaft and No. two shafts, the valve block includes No.1 valve block and No. two valve blocks, and one end of the No.1 shaft is equipped with No.1
Rocking arm, the other end of No.1 shaft are connected after drawing-in support plate, valve body successively with No.1 valve block, one end of No. two shafts
No. two rocking arms are installed, the other ends of No. two shafts is connected after drawing-in support plate, valve body successively with No. two valve blocks, the No.1
Rocking arm is located at the top of No. two rocking arms, offers No.1 sliding slot, No. two sliding slots, the work on No.1 rocking arm, No. two rocking arms respectively
The end of plug push rod is equipped with sliding pin, and the sliding pin is fixed after drawing-in No.1 sliding slot, No. two sliding slots successively.
The operating mechanism further includes limiting bracket, and the limiting bracket includes that the No.1 of bottom plate and perpendicular connection is perpendicular
Plate, No. two risers, the No.1 riser are mutually perpendicular to No. two risers, and the bottom plate is connected with the upper surface of support plate, institute
No.1 shaft is stated successively with No.1 valve block to be connected after drawing-in bottom plate, support plate, valve body.
It is vertically connected with caging bolt on the No.1 riser, No. two risers.
The end of the piston push rod is connected with mounting bracket, and mounting hole, the sliding pin are offered in the mounting bracket
It is fixed successively by split pin after No. two sliding slots of drawing-in, No.1 sliding slot, mounting hole.
The tail portion for manipulating cylinder is bolted in support plate, and the head for manipulating cylinder is mounted on manipulation jar support
On, the manipulation jar support is fixed on the supporting plate.
The exhaust brake valve further includes housing, and the housing is installed on the supporting plate, the operating mechanism, piston push rod
It is respectively positioned in housing.
Rubber sleeve is arranged with the junction for manipulating cylinder in the housing, and the rubber sleeve is set in the head for manipulating cylinder.
It is provided with rubber sheet gasket between the housing and support plate.
Compared with prior art, beneficial effects of the present invention are：
1, operating mechanism includes the No.1 shaft being mutually parallel in a kind of exhaust brake valve of the present invention and No. two shafts, valve block include
One end of No.1 valve block and No. two valve blocks, No.1 shaft is equipped with No.1 rocking arm, and drawing-in supports the other end of No.1 shaft successively
It is connected with No.1 valve block after plate, valve body, one end of No. two shafts is equipped with No. two rocking arms, and the other end of No. two shafts is worn successively
It is connected with No. two valve blocks after support plate, valve body, No.1 rocking arm is located at the top of No. two rocking arms, No.1 rocking arm, No. two rocking arms
Upper to offer No.1 sliding slot, No. two sliding slots respectively, the end of piston push rod is equipped with sliding pin, sliding pin successively drawing-in No.1 sliding slot,
It is fixed after No. two sliding slots；Piston push rod stretches out under the action of compressed air, and sliding pin is moved along piston push rod axis direction, and edge
It sliding slot and pushes rocking arm rotation, further realize the closing of two valve blocks, use above-mentioned double slide way mechanisms to ensure piston push rod
Impact direction is overlapped with its axis always, and the effect of moment of flexure is not present in piston push rod, not only reduces showing for operating mechanism failure
As, and the stress of piston push rod is improved, be conducive to the eccentric wear for improving piston push rod and hair fastener situation.Therefore, this hair
It is bright effectively to solve the problem of operating mechanism failure and can effectively solve piston push rod eccentric wear and hair fastener.
2, operating mechanism further includes limiting bracket in a kind of exhaust brake valve of the present invention, limiting bracket include bottom plate and and its
No.1 riser connected vertically, No. two risers, No.1 riser are mutually perpendicular to No. two risers, the upper surface phase of bottom plate and support plate
Connection, No.1 shaft are connected after drawing-in bottom plate, support plate, valve body successively with No.1 valve block, hang down on No.1 riser, No. two risers
It is direct-connected to be connected to caging bolt, using limiting bracket and caging bolt, to limit the movement locus of No.1 rocking arm and No. two rocking arms, from
And improve the unfailing performance of operating mechanism.Therefore, reliability of the present invention is high.
3, the end of piston push rod is connected with mounting bracket in a kind of exhaust brake valve of the present invention, is offered in mounting bracket
Mounting hole, sliding pin are fixed after No. two sliding slots of drawing-in, No.1 sliding slot, mounting hole successively by split pin, and such design is not only tied
Structure is simple, simple installation, and reliability is high；The tail portion for manipulating cylinder is bolted in support plate, manipulates the head of cylinder
It mounted on manipulating on jar support, manipulates jar support and fixes on the supporting plate, manipulate cylinder by bolt and manipulate jar support and support
Plate is completely fixed, it is therefore prevented that the hinge arrangement of traditional single valve piece causes the result of looseness because of abrasion.Therefore, the present invention not only ties
Structure is simple, simple installation, reliability are high, and manipulates cylinder and be not easy looseness.
4, operating mechanism, piston push rod are respectively positioned in housing in a kind of exhaust brake valve of the present invention, housing and manipulation cylinder
Rubber sleeve is arranged in junction, and rubber sheet gasket is provided between housing and support plate, using above-mentioned design, is conducive to prevent dust
The entrance of equal impurity, prevents kinematic pair wear out failure, ensures the reliability of system.Therefore, good airproof performance of the present invention, reliability
It is high.
Description of the drawings
Fig. 1 is the packing figure of the present invention.
Fig. 2 is the installation diagram of the present invention.
Fig. 3 is the structural schematic diagram that two valve blocks are opened.
Fig. 4 is the structural schematic diagram that two valve blocks are closed.
In figure：Manipulate cylinder 1, piston push rod 11, mounting bracket 12, bolt 13, manipulate jar support 14, support plate 2, valve body 3,
No.1 shaft 4, No.1 valve block 41, No.1 Rocker arm 42,51, No. two Rocker arm 5s 2, two of valve block of shaft 5, two of No.1 sliding slot 43, two
Number sliding slot 53, sliding pin 6, limiting bracket 7, bottom plate 71, No.1 riser 72, No. two risers 73, caging bolt 74, split pin 8, housings
9, rubber sleeve 10.
Specific implementation mode
Below in conjunction with description of the drawings, the present invention is described in further detail with specific implementation mode.
Referring to Fig. 1 to Fig. 4, a kind of exhaust brake valve, including cylinder 1, support plate 2, valve body 3 are manipulated, the manipulation cylinder 1 is installed
On the upper surface of support plate 2, the valve body 3 is mounted on the lower face of support plate 2, the piston push rod 11 for manipulating cylinder 1
It is connected with the valve block in valve body 3 by operating mechanism, the operating mechanism includes that the No.1 shaft 4 being mutually parallel and No. two turn
Axis 5, the valve block include No.1 valve block 41 and No. two valve blocks 51, and one end of the No.1 shaft 4 is equipped with No.1 Rocker arm 42, and one
The other end of number shaft 4 is connected after drawing-in support plate 2, valve body 3 successively with No.1 valve block 41, one end of No. two shafts 5
No. two Rocker arm 5s 2 are installed, the other ends of No. two shafts 5 is connected after drawing-in support plate 2, valve body 3 successively with No. two valve blocks 51,
The No.1 Rocker arm 42 is located at the top of No. two Rocker arm 5s 2, and No.1 sliding slot is offered respectively on 2, No. two Rocker arm 5s 2 of No.1 Rocker arm 4
43, No. two sliding slots 53, the end of the piston push rod 11 are equipped with sliding pin 6, drawing-in No.1 sliding slot 43, two successively of the sliding pin 6
It is fixed after number sliding slot 53.
The operating mechanism further includes limiting bracket 7, and the limiting bracket 7 includes the one of bottom plate 71 and perpendicular connection
Number 72, No. two risers 73 of riser, the No.1 riser 72 are mutually perpendicular to No. two risers 73, the bottom plate 71 and support plate 2
Upper surface is connected, and the No.1 shaft 4 is connected after drawing-in bottom plate 71, support plate 2, valve body 3 successively with No.1 valve block 41.
It is vertically connected with caging bolt 74 on 72, No. two risers 73 of the No.1 riser.
The end of the piston push rod 11 is connected with mounting bracket 12, and mounting hole, institute are offered in the mounting bracket 12
Sliding pin 6 is stated to fix by split pin 8 after No. two sliding slots 53 of drawing-in, No.1 sliding slot 43, mounting hole successively.
The tail portion for manipulating cylinder 1 is fixed on by bolt 13 in support plate 2, and the head for manipulating cylinder 1 is mounted on manipulation cylinder
On holder 14, the manipulation jar support 14 is fixed in support plate 2.
The exhaust brake valve further includes housing 9, and the housing 9 is mounted in support plate 2, the operating mechanism, piston
Push rod 11 is respectively positioned in housing 9.
Rubber sleeve 10 is arranged with the junction for manipulating cylinder 1 in the housing 9, and the rubber sleeve 10, which is set in, manipulates cylinder 1
Head.
It is provided with rubber sheet gasket between the housing 9 and support plate 2.
The principle of the present invention is described as follows：
A kind of closed exhaust brake valve of double valve sheet with sliding slot sliding pin operating mechanism of the design manipulates cylinder end and installs one
Sliding pin, two one ends with sliding slot are connected with two valve block shafts respectively, and respective sliding slot cooperates with sliding pin and constitutes
Slide way mechanism；Entire operating mechanism quilt cover, which is encapsulated in, to be manipulated in cylinder support plate, is had rubber sheet gasket between housing and support plate, is grasped
Vertical cylinder is sealed with the cover junction installation rubber sleeve, is allowed to be isolated with external environment, is conducive to prevent the impurity such as dust
Into preventing kinematic pair wear out failure, ensure the reliability of system.In addition, the design structure is simple, it is easy to accomplish.
It manipulates cylinder push rod to stretch out under the action of compressed air, sliding pin is moved along piston push rod axis direction, along sliding slot
Rocking arm rotation is pushed, the closing of two valve blocks is further realized；Double slide way mechanisms ensure piston push rod Impact directions always with its
Axis overlaps, and the effect of moment of flexure is not present in piston push rod, is conducive to the eccentric wear for improving piston and hair fastener situation；The fixed behaviour in tail portion
Vertical cylinder prevents the hinge arrangement of traditional single valve piece to cause the result of looseness because of abrasion.
Embodiment：
Referring to Fig. 1 to Fig. 4, a kind of exhaust brake valve, including cylinder 1, support plate 2, valve body 3, housing 9 are manipulated, the manipulation cylinder 1 is pacified
On the upper surface of support plate 2, the valve body 3 is mounted on the lower face of support plate 2, the piston push rod for manipulating cylinder 1
11 are connected by operating mechanism with the valve block in valve body 3, and the operating mechanism includes 4, No. two shafts 5, sliding pins of No.1 shaft
6, limiting bracket 7, the valve block include No.1 valve block 41 and No. two valve blocks 51, and the No.1 shaft 4 and No. two shafts 5 are mutually flat
Row, one end of the No.1 shaft 4 are equipped with No.1 Rocker arm 42, the other end of No.1 shaft 4 drawing-in support plate 2, valve body 3 successively
Be connected afterwards with No.1 valve block 41, one end of No. two shafts 5 is equipped with No. two Rocker arm 5s 2, the other ends of No. two shafts 5 according to
It is connected with No. two valve blocks 51 after secondary drawing-in support plate 2, valve body 3, the No.1 Rocker arm 42 is located at the top of No. two Rocker arm 5s 2, and one
43, No. two sliding slots 53 of No.1 sliding slot, the end connection of the piston push rod 11 are offered on number 2, No. two Rocker arm 5s 2 of Rocker arm 4 respectively
There is mounting bracket 12, mounting hole is offered in the mounting bracket 12, the sliding pin 6 successively slide by No. two sliding slots 53 of drawing-in, No.1
It is fixed by split pin 8 after slot 43, mounting hole；The limiting bracket 7 includes bottom plate 71 and the No.1 riser of perpendicular connection
72, No. two risers 73, the No.1 riser 72 are mutually perpendicular to No. two risers 73, the upper surface of the bottom plate 71 and support plate 2
It is connected, the No.1 shaft 4 is connected after drawing-in bottom plate 71, support plate 2, valve body 3 successively with No.1 valve block 41, the No.1
It is vertically connected with caging bolt 74 on 72, No. two risers 73 of riser；The tail portion for manipulating cylinder 1 is fixed on support by bolt 13
On plate 2, the head for manipulating cylinder 1 is mounted on manipulation jar support 14, and the manipulation jar support 14 is fixed in support plate 2；It is described
Housing 9 is mounted in support plate 2, and the operating mechanism, piston push rod 11 are respectively positioned in housing 9；The housing 9 and manipulation cylinder 1
Junction be arranged rubber sleeve 10, the rubber sleeve 10 be set in manipulate cylinder 1 head；Between the housing 9 and support plate 2
It is provided with rubber sheet gasket.
Claims (8)
1. a kind of exhaust brake valve, including manipulate cylinder（1）, support plate（2）, valve body（3）, the manipulation cylinder（1）Mounted on support
Plate（2）Upper surface on, the valve body（3）Mounted on support plate（2）Lower face on, the manipulation cylinder（1）Piston push rod
（11）Pass through operating mechanism and valve body（3）Interior valve block is connected, it is characterised in that：The operating mechanism includes being mutually parallel
No.1 shaft（4）With No. two shafts（5）, the valve block includes No.1 valve block（41）With No. two valve blocks（51）, the No.1 shaft
（4）One end No.1 rocking arm is installed（42）, No.1 shaft（4）Other end drawing-in support plate successively（2）, valve body（3）Afterwards with
No.1 valve block（41）It is connected, No. two shafts（5）One end No. two rocking arms are installed（52）, No. two shafts（5）It is another
Hold drawing-in support plate successively（2）, valve body（3）Afterwards with No. two valve blocks（51）It is connected, the No.1 rocking arm（42）It is shaken positioned at No. two
Arm（52）Top, No.1 rocking arm（42）, No. two rocking arms（52）It is upper to offer No.1 sliding slot respectively（43）, No. two sliding slots（53）,
The piston push rod（11）End sliding pin is installed（6）, the sliding pin（6）Drawing-in No.1 sliding slot successively（43）, No. two sliding slots
（53）After fix.
2. a kind of exhaust brake valve according to claim 1, it is characterised in that：The operating mechanism further includes limiting bracket
（7）, the limiting bracket（7）Including bottom plate（71）And the No.1 riser of perpendicular connection（72）, No. two risers（73）, described
No.1 riser（72）With No. two risers（73）It is mutually perpendicular to, the bottom plate（71）With support plate（2）Upper surface be connected, it is described
No.1 shaft（4）Drawing-in bottom plate successively（71）, support plate（2）, valve body（3）Afterwards with No.1 valve block（41）It is connected.
3. a kind of exhaust brake valve according to claim 2, it is characterised in that：The No.1 riser（72）, No. two risers
（73）On be vertically connected with caging bolt（74）.
4. a kind of exhaust brake valve according to claim 3, it is characterised in that：The piston push rod（11）End connection
There is mounting bracket（12）, the mounting bracket（12）On offer mounting hole, the sliding pin（6）No. two sliding slots of drawing-in successively
（53）, No.1 sliding slot（43）, pass through split pin after mounting hole（8）It is fixed.
5. a kind of exhaust brake valve according to any one of claim 1-4, it is characterised in that：The manipulation cylinder（1）
Tail portion pass through bolt（13）It is fixed on support plate（2）On, manipulate cylinder（1）Head be mounted on manipulate jar support（14）On, institute
State manipulation jar support（14）It is fixed on support plate（2）On.
6. a kind of exhaust brake valve according to any one of claim 1-4, it is characterised in that：The exhaust brake valve
It further include housing（9）, the housing（9）Mounted on support plate（2）On, the operating mechanism, piston push rod（11）It is respectively positioned on lid
Cover（9）It is interior.
7. a kind of exhaust brake valve according to claim 6, it is characterised in that：The housing（9）With manipulation cylinder（1）Company
Connect place's setting rubber sleeve（10）, the rubber sleeve（10）It is set in manipulation cylinder（1）Head.
8. a kind of exhaust brake valve according to claim 6, it is characterised in that：The housing（9）With support plate（2）Between
It is provided with rubber sheet gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190315.5A CN108301929A (en) | 2018-03-08 | 2018-03-08 | A kind of exhaust brake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190315.5A CN108301929A (en) | 2018-03-08 | 2018-03-08 | A kind of exhaust brake valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108301929A true CN108301929A (en) | 2018-07-20 |
Family
ID=62849553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810190315.5A Pending CN108301929A (en) | 2018-03-08 | 2018-03-08 | A kind of exhaust brake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108301929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339957A (en) * | 2018-11-01 | 2019-02-15 | 禹州市竹园机械制造有限公司 | A kind of exhaust pipe of engine with exhaust brake butterfly valve |
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