CN213068202U - Exhaust back pressure adjusting device - Google Patents
Exhaust back pressure adjusting device Download PDFInfo
- Publication number
- CN213068202U CN213068202U CN202021487438.4U CN202021487438U CN213068202U CN 213068202 U CN213068202 U CN 213068202U CN 202021487438 U CN202021487438 U CN 202021487438U CN 213068202 U CN213068202 U CN 213068202U
- Authority
- CN
- China
- Prior art keywords
- butterfly valve
- rod
- siemens
- valve rod
- connecting piece
- 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.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model provides an exhaust back pressure adjusting device, including controlling means, butterfly valve mechanism, support, first connecting piece, second connecting piece, siemens air valve executor and carousel joint ball, the both ends of butterfly valve mechanism are connected with exhaust pipeline, the gas outlet pipeline of engine respectively, the both ends of siemens air valve executor are connected with the support through first connecting piece respectively, are connected with the carousel joint ball on the butterfly valve mechanism through the second connecting piece, controlling means is connected with siemens air valve executor electricity, the utility model discloses a structure of siemens air valve executor and butterfly valve mechanism linkage to connect temperature sensor, pressure sensor, flowmeter respectively through controlling means, solved the not high problem of exhaust back pressure adjustment precision; meanwhile, the problem that the regulating valve cannot normally work in a high-temperature environment is solved through the structure of the self-made non-standard butterfly valve mechanism, the structure is simple, the installation and the maintenance are convenient, and the practicability is high.
Description
Technical Field
The utility model relates to an engine test field specifically, relates to an exhaust back pressure adjusting device.
Background
Engine testing refers to testing of the performance, reliability and durability of an engine using specialized testing and testing equipment. In the engine test, the air intake and exhaust pressure of the engine needs to be detected.
The exhaust part of the test bench of the engine test device works at a higher temperature during operation due to the specific working condition of the exhaust part, so that the exhaust back pressure adjusting device is required to have certain heat resistance; meanwhile, in order to simulate the working state of the engine which is closest to the real operation condition, the exhaust back pressure adjusting device is required to flexibly select the opening degree of the exhaust channel according to various parameters in the engine, but most exhaust back pressure adjusting devices in the prior art cannot tolerate the operation environment with higher temperature, the purpose of high dynamic switching of the size of the exhaust channel cannot be realized, and the structural design is unreasonable.
Patent document CN109406151A discloses an automatic exhaust back pressure adjusting method for an engine bench test and an adjusting system thereof. The traditional method for adjusting the exhaust back pressure of the engine bench is low in precision. In the invention, an exhaust pressure sensor feeds back exhaust back pressure of an engine to a fuzzy self-adaptive PID controller; the dynamometer feeds back the engine speed and load to the fuzzy self-adaptive PID controller; the electric throttle valve is fixed at the position, close to the output end, of the exhaust pipe, the air inlet of the vortex fan is connected with the output port of the exhaust pipe, and the fuzzy self-adaptive PID controller controls the opening of the electric throttle valve and the starting, stopping and rotating speed of the vortex fan.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing an exhaust back pressure adjusting device.
According to the utility model, the exhaust back pressure adjusting device comprises a control device, a butterfly valve mechanism, a bracket, a first connecting piece, a second connecting piece, a Siemens air valve actuator and a turntable joint ball;
one end of the butterfly valve mechanism is connected with an exhaust pipeline of the engine, and the other end of the butterfly valve mechanism is connected with an exhaust pipeline;
the rotary disc joint ball is arranged on a butterfly valve mechanism, a butterfly valve rod and a butterfly valve plate are arranged inside the butterfly valve mechanism, and the butterfly valve plate is arranged on the butterfly valve rod;
one end of the Siemens air valve actuator is connected with the bracket through a first connecting piece, and the other end of the Siemens air valve actuator is connected with the turntable joint ball through a second connecting piece;
when the Siemens air valve actuator works, the butterfly valve rod can be driven to rotate through the second connecting piece so as to drive the butterfly valve plate to rotate around the axial direction of the butterfly valve rod;
the control device is electrically connected with the Siemens air valve actuator.
Preferably, the first connecting piece comprises a hinge support, a fixed end connecting rod and a joint bearing;
one end of the hinge support is arranged on the bracket, and the other end of the hinge support is movably matched with one end of the joint bearing;
one end of the fixed end connecting rod is connected with the Siemens air valve actuator, and the other end of the fixed end connecting rod is connected with the other end of the joint bearing.
Preferably, the second link comprises a moving end connecting rod and a spherical bearing;
one end of the moving end connecting rod is connected with the Siemens air valve actuator, and the other end of the moving end connecting rod is movably matched with the rotary table joint ball through a spherical bearing.
Preferably, the butterfly valve mechanism comprises a butterfly valve housing and a butterfly valve turntable;
a first valve rod mounting hole and a second valve rod mounting hole are formed in the butterfly valve shell;
the butterfly valve rod is arranged in the butterfly valve shell, one end of the butterfly valve rod is arranged in the first valve rod mounting hole, and the other end of the butterfly valve rod penetrates through the second valve rod mounting hole to be connected with the butterfly valve rotary table;
when the butterfly valve rotating disc rotates relative to the butterfly valve shell, the butterfly valve rotating disc can drive the butterfly valve rod to rotate around the axial direction.
Preferably, the butterfly valve mechanism further comprises a cylindrical pin;
the cylindrical pin is installed at one end, connected with the external space, of the first valve rod installation hole.
Preferably, the butterfly valve mechanism further comprises a spacer ring, a spring sleeve, a fixing ring and a positioning pin;
a space ring, a spring sleeve and a fixed ring are sequentially arranged between the butterfly valve shell and the butterfly valve rotating disc along the direction close to the butterfly valve rotating disc;
the space ring and the spring sleeve are sleeved on the butterfly valve rod;
one end suit of retainer plate is on the butterfly valve rod, the other end of retainer plate passes through the locating pin to be installed on the butterfly valve carousel.
Preferably, two ends of the butterfly valve mechanism 1 are respectively connected with an exhaust pipeline and an air outlet pipeline through connecting flanges;
the connecting flange is a stainless steel flange;
the number of the connecting flanges is two;
and the two connecting flanges are fixedly connected through the matching of a plurality of stainless steel bolts.
Preferably, a gasket is arranged between the butterfly valve shell and the connecting flange; the gasket is a graphite gasket.
Preferably, a temperature sensor, a pressure sensor and a flowmeter are arranged on the exhaust pipeline, and the temperature sensor, the pressure sensor and the flowmeter are respectively and electrically connected with the control device.
According to the utility model, the exhaust back pressure adjusting device comprises a control device, a butterfly valve mechanism, a bracket, a first connecting piece, a second connecting piece, a Siemens air valve actuator and a turntable joint ball;
one end of the butterfly valve mechanism is connected with an exhaust pipeline of the engine, and the other end of the butterfly valve mechanism is connected with an exhaust pipeline;
the rotary disc joint ball is arranged on a butterfly valve mechanism, a butterfly valve rod and a butterfly valve plate are arranged inside the butterfly valve mechanism, and the butterfly valve plate is arranged on the butterfly valve rod;
one end of the Siemens air valve actuator is connected with the bracket through a first connecting piece, and the other end of the Siemens air valve actuator is connected with the turntable joint ball through a second connecting piece;
when the Siemens air valve actuator works, the butterfly valve rod can be driven to rotate through the second connecting piece so as to drive the butterfly valve plate to rotate around the axial direction of the butterfly valve rod;
the control device is electrically connected with the Siemens air valve actuator;
the first connecting piece comprises a hinge support, a fixed end connecting rod and a joint bearing;
one end of the hinge support is arranged on the bracket, and the other end of the hinge support is movably matched with one end of the joint bearing;
one end of the fixed end connecting rod is connected with the Siemens air valve actuator, and the other end of the fixed end connecting rod is connected with the other end of the joint bearing;
the second connecting piece comprises a moving end connecting rod and a spherical bearing;
one end of the moving end connecting rod is connected with the Siemens air valve actuator, and the other end of the moving end connecting rod is movably matched with the rotary table joint ball through a spherical bearing;
the butterfly valve mechanism comprises a butterfly valve shell and a butterfly valve rotating disc;
a first valve rod mounting hole and a second valve rod mounting hole are formed in the butterfly valve shell;
the butterfly valve rod is arranged in the butterfly valve shell, one end of the butterfly valve rod is arranged in the first valve rod mounting hole, and the other end of the butterfly valve rod penetrates through the second valve rod mounting hole to be connected with the butterfly valve rotary table;
when the butterfly valve rotating disc rotates relative to the butterfly valve shell, the butterfly valve rotating disc can drive the butterfly valve rod to rotate around the axial direction;
the butterfly valve mechanism further comprises a cylindrical pin;
the cylindrical pin is arranged at one end of the first valve rod mounting hole, which is connected with the external space;
the butterfly valve mechanism further comprises a space ring, a spring sleeve, a fixed ring and a positioning pin;
a space ring, a spring sleeve and a fixed ring are sequentially arranged between the butterfly valve shell and the butterfly valve rotating disc along the direction close to the butterfly valve rotating disc;
the space ring and the spring sleeve are sleeved on the butterfly valve rod;
one end of the fixing ring is sleeved on the butterfly valve rod, and the other end of the fixing ring is installed on the butterfly valve turntable through a positioning pin;
two ends of the butterfly valve mechanism are respectively connected with the exhaust pipeline and the gas outlet pipeline through connecting flanges;
the connecting flange adopts a stainless steel flange and is matched with a stainless steel bolt to tightly connect the two flanges;
the exhaust pipeline is provided with a temperature sensor, a pressure sensor and a flowmeter, and the temperature sensor, the pressure sensor and the flowmeter are respectively electrically connected with the control device.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a structure of siemens blast gate executor and butterfly valve mechanism linkage to connect temperature sensor, pressure sensor, flowmeter respectively through controlling means, realize the regulation of gas passage aperture among the butterfly valve mechanism, solved the not high problem of exhaust back pressure regulation precision.
2. The utility model discloses a structure of non-standard butterfly valve mechanism of system certainly sets up spacer ring, spring housing, retainer plate and locating pin on the butterfly valve mechanism, flange and exhaust pipe, air outlet pipe connection are passed through respectively at butterfly valve mechanism's both ends, flange adopts stainless steel flange and cooperation stainless steel bolt with two stainless steel flange fastening connections, wherein, flange and butterfly valve casing be connected the sealed pad that is provided with the preparation of graphite gasket between the face of being connected, has solved the problem that the governing valve can not normally work under high temperature environment under the prerequisite of guaranteeing to seal.
3. The utility model discloses a siemens air valve executor's both ends set up first connecting piece, second connecting piece respectively and realize the regulation of butterfly valve mechanism switch action, make siemens air valve executor and the butterfly valve mechanism of high temperature produce certain distance, have solved the problem that high temperature was adjusted through simple structural connection relation, simple structure, and the installation is convenient with the maintenance, and the practicality is strong.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a butterfly valve rod and a butterfly valve plate;
FIG. 3 is a schematic structural view of a spring housing and a retainer ring;
FIG. 4 is a schematic side view of a butterfly valve mechanism;
FIG. 5 is a schematic top view of the butterfly valve mechanism;
fig. 6 is a schematic view of the working principle of the present invention.
The figures show that:
Hinge support 3 butterfly valve plate 11 stainless steel bolt 19
12 cylindrical pins 20 of butterfly valve shell with fixed end connecting rod 4
Joint bearing 5 butterfly valve rotating disc 13 gasket 21
Siemens air valve actuator 8 fixed ring 16
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
The utility model provides an exhaust back pressure adjusting device, as shown in figure 1, comprising a control device, a butterfly valve mechanism 1, a bracket 2, a first connecting piece, a second connecting piece, a Siemens air valve actuator 8 and a turntable joint ball 9, wherein one end of the butterfly valve mechanism 1 is connected with an exhaust pipeline 001 of an engine, and the other end of the butterfly valve mechanism 1 is connected with an exhaust pipeline 002; the rotary disc joint ball 9 is mounted on the butterfly valve mechanism 1, as shown in fig. 2, a butterfly valve rod 10 and a butterfly valve plate 11 are arranged inside the butterfly valve mechanism 1, and the butterfly valve plate 11 is mounted on the butterfly valve rod 10; one end of the Siemens air valve actuator 8 is connected with the bracket 2 through a first connecting piece, and the other end of the Siemens air valve actuator 8 is connected with a turntable joint ball 9 through a second connecting piece; when the Siemens air valve actuator 8 works, the butterfly valve rod 10 can be driven to rotate through the second connecting piece, and then the butterfly valve plate 11 is driven to rotate around the axial direction of the butterfly valve rod 10.
Furthermore, the control device is electrically connected with the Siemens air valve actuator 8, the control device can control the Siemens air valve actuator 8 to act, wherein the Siemens air valve actuator 8 is a device which receives control information and exerts control action on a controlled object in an automation technology tool, and comprises an execution mechanism and an adjusting mechanism and is controlled by adopting an air valve with constant air volume or variable air volume. The Siemens electric actuator has the working voltage AC24V, the nominal torque is 16Nm, the Siemens electric actuator is provided with a fail safe position return spring, a regulating control signal DC0-10V, a position feedback indicating signal DC0-10V and a mechanical regulating range of 0-90 degrees, and a connecting cable with the length of 0.9 meter is reserved.
Specifically, as shown in fig. 1, in a preferred example, the first connecting member includes a hinge support 3, a fixed end connecting rod 4, and a joint bearing 5; one end of the hinge support 3 is arranged on the bracket 2, and the other end of the hinge support 3 is movably matched with one end of the joint bearing 5; one end of the fixed end connecting rod 4 is connected with the Siemens air valve actuator 8, and the other end of the fixed end connecting rod 4 is connected with the other end of the joint bearing 5; the second connecting piece comprises a moving end connecting rod 6 and a spherical bearing 7; one end of the moving end connecting rod 6 is connected with a Siemens air valve actuator 8, and the other end of the moving end connecting rod 6 is movably matched with a turntable joint ball 9 through a spherical bearing 7.
Specifically, as shown in fig. 1-4, the butterfly valve mechanism 1 includes a butterfly valve housing 12, a cylindrical pin 20, and a butterfly valve disk 13; a first valve rod mounting hole and a second valve rod mounting hole are formed in the butterfly valve shell 12; the butterfly valve rod 10 is installed inside the butterfly valve shell 12, one end of the butterfly valve rod 10 is installed in the first valve rod installation hole, and the other end of the butterfly valve rod 10 penetrates through the second valve rod installation hole to be connected with the butterfly valve rotary table 13; when butterfly valve carousel 13 rotates for butterfly valve casing 12, butterfly valve carousel 13 can drive butterfly valve rod 10 and rotate around axial, cylindric lock 20 is installed in the one end that first valve rod mounting hole is connected with the exterior space, and the junction is sealing connection, and in a preferred example, the cover is equipped with O type circle when cylindric lock 20 installs, realizes sealed through O type circle, in a variation, adopts the rubber pad to seal.
Specifically, as shown in fig. 1, 4, and 5, the butterfly valve mechanism 1 further includes a spacer ring 14, a spring sleeve 15, a fixing ring 16, and a positioning pin 17, the spacer ring 14, the spring sleeve 15, and the fixing ring 16 are sequentially disposed between the butterfly valve housing 12 and the butterfly valve disk 13 along a direction close to the butterfly valve disk 13, and both the spacer ring 14 and the spring sleeve 15 are sleeved on the butterfly valve rod 10; one end of the fixed ring 16 is sleeved on the butterfly valve rod 10, the other end of the fixed ring 16 is installed on the butterfly valve rotating disc 13 through a positioning pin 17, and in a preferred embodiment, the size of the spring sleeve 15 is as follows: the inner diameter of the spring sleeve is 18 mm, the diameter of the spring wire is 2 mm, and the length of the spring sleeve is 15 mm; wherein spring housing 15 plays the effect of supporting retainer plate 16, makes retainer plate 16 be close to the bottom of butterfly valve carousel 13 all the time, and spacer ring 14 is used for separating spring housing 15 and butterfly valve casing 12, plays the effect to butterfly valve casing 12 protection, and has the effect of certain isolated high temperature.
Specifically, as shown in fig. 1, two ends of the butterfly valve mechanism 1 are respectively connected with an exhaust pipeline 001 and an exhaust pipeline 002 through a connecting flange 18, the connecting flange 18 adopts a stainless steel flange and cooperates with a stainless steel bolt 19 to fasten the two flanges, wherein a sealing gasket 21 is arranged between the connecting surface of the connecting flange 18 and the butterfly valve housing 12, in a preferred embodiment, the connecting flange 18 adopts a stainless steel flange of DN80, and the sealing gasket 21 adopts a graphite gasket. The pressure can be controlled to be less than or equal to 200KPa by arranging the butterfly valve mechanism 1, the highest temperature of the regulating valve is 600 ℃,
specifically, as shown in fig. 1, a temperature sensor, a pressure sensor and a flow meter are disposed on the exhaust pipeline 001, and the temperature sensor, the pressure sensor and the flow meter are electrically connected to a control device respectively.
The working principle of the utility model is as follows:
as shown in fig. 6, according to the theoretical parameters and calibration scheme of the measured engine, the control device combines the received pressure information of the pressure sensor on the exhaust pipe 001 and the temperature information of the temperature sensor to control the action of the siemens air valve actuator 8 and further control the rotation of the butterfly valve rotating disk 13, the butterfly valve rotating disk 13 rotates and simultaneously drives the butterfly valve plate 11 to rotate, so that the gas generated by the combustion of the engine passes through the gas channel inside the butterfly valve mechanism 1, and meanwhile, the control device reasonably adjusts the rotation angle of the butterfly valve plate 11 through the flow information sent by the flow meter to realize the reasonable opening degree of the butterfly valve mechanism 1 to simulate the exhaust environment of the automobile engine. And returning the data of the exhaust temperature T, the flow m and the pressure p of the engine collected by the control device to form closed-loop regulation, so that the exhaust device can dynamically simulate the exhaust environment of the engine.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. An exhaust back pressure adjusting device is characterized by comprising a control device, a butterfly valve mechanism (1), a support (2), a first connecting piece, a second connecting piece, a Siemens air valve actuator (8) and a rotary table joint ball (9);
one end of the butterfly valve mechanism (1) is connected with an exhaust pipeline (001) of the engine, and the other end of the butterfly valve mechanism (1) is connected with an air outlet pipeline (002);
the rotary table joint ball (9) is installed on the butterfly valve mechanism (1), a butterfly valve rod (10) and a butterfly valve plate (11) are arranged inside the butterfly valve mechanism (1), and the butterfly valve plate (11) is installed on the butterfly valve rod (10);
one end of the Siemens air valve actuator (8) is connected with the bracket (2) through a first connecting piece, and the other end of the Siemens air valve actuator (8) is connected with a turntable joint ball (9) through a second connecting piece;
when the Siemens air valve actuator (8) works, the butterfly valve rod (10) can be driven to rotate through the second connecting piece so as to drive the butterfly valve plate (11) to rotate around the axial direction of the butterfly valve rod (10);
the control device is electrically connected with a Siemens air valve actuator (8).
2. The exhaust back pressure adjusting apparatus according to claim 1, wherein the first connecting member includes a hinge support (3), a fixed-end connecting rod (4), and a joint bearing (5);
one end of the hinge support (3) is arranged on the bracket (2), and the other end of the hinge support (3) is movably matched with one end of the joint bearing (5);
one end of the fixed end connecting rod (4) is connected with the Siemens air valve actuator (8), and the other end of the fixed end connecting rod (4) is connected with the other end of the knuckle bearing (5).
3. The exhaust back pressure adjusting apparatus according to claim 1, wherein the second connecting member includes a moving-end connecting rod (6) and a spherical bearing (7);
one end of the moving end connecting rod (6) is connected with the Siemens air valve actuator (8), and the other end of the moving end connecting rod (6) is movably matched with the rotary table joint ball (9) through a spherical bearing (7).
4. The exhaust back pressure adjusting apparatus according to claim 1, wherein the butterfly valve mechanism (1) includes a butterfly valve housing (12) and a butterfly valve disk (13);
a first valve rod mounting hole and a second valve rod mounting hole are formed in the butterfly valve shell (12);
the butterfly valve rod (10) is installed inside the butterfly valve shell (12), one end of the butterfly valve rod (10) is installed in the first valve rod installation hole, and the other end of the butterfly valve rod (10) penetrates through the second valve rod installation hole to be connected with the butterfly valve rotary table (13);
when the butterfly valve rotating disc (13) rotates relative to the butterfly valve shell (12), the butterfly valve rotating disc (13) can drive the butterfly valve rod (10) to rotate around the axial direction.
5. The exhaust back pressure adjusting apparatus according to claim 4, wherein the butterfly valve mechanism (1) further comprises a cylindrical pin (20);
the cylindrical pin (20) is installed at one end of the first valve rod installation hole, which is connected with the external space.
6. The exhaust back pressure adjusting apparatus according to claim 4, wherein the butterfly valve mechanism (1) further comprises a spacer ring (14), a spring housing (15), a fixing ring (16), and a positioning pin (17);
a space ring (14), a spring sleeve (15) and a fixed ring (16) are sequentially arranged between the butterfly valve shell (12) and the butterfly valve rotating disc (13) along the direction close to the butterfly valve rotating disc (13);
the spacer ring (14) and the spring sleeve (15) are sleeved on the butterfly valve rod (10);
one end suit of retainer plate (16) is on butterfly valve rod (10), the other end of retainer plate (16) is installed on butterfly valve carousel (13) through locating pin (17).
7. The exhaust back pressure regulating device according to claim 4, wherein both ends of the butterfly valve mechanism (1) are connected to the exhaust pipe (001) and the exhaust pipe (002) via connecting flanges (18);
the connecting flange (18) is a stainless steel flange; the number of the connecting flanges (18) is two;
the two connecting flanges (18) are tightly connected through the matching of a plurality of stainless steel bolts (19).
8. The exhaust back pressure adjusting apparatus according to claim 7, wherein a gasket (21) is provided between the butterfly valve housing (12) and the connecting flange (18);
the gasket (21) is a graphite gasket.
9. The exhaust back pressure regulator according to claim 1, wherein a temperature sensor, a pressure sensor and a flow meter are provided in the exhaust line (001), and the temperature sensor, the pressure sensor and the flow meter are electrically connected to the control device, respectively.
10. An exhaust back pressure adjusting device is characterized by comprising a control device, a butterfly valve mechanism (1), a support (2), a first connecting piece, a second connecting piece, a Siemens air valve actuator (8) and a rotary table joint ball (9);
one end of the butterfly valve mechanism (1) is connected with an exhaust pipeline (001) of the engine, and the other end of the butterfly valve mechanism (1) is connected with an air outlet pipeline (002);
the rotary table joint ball (9) is installed on the butterfly valve mechanism (1), a butterfly valve rod (10) and a butterfly valve plate (11) are arranged inside the butterfly valve mechanism (1), and the butterfly valve plate (11) is installed on the butterfly valve rod (10);
one end of the Siemens air valve actuator (8) is connected with the bracket (2) through a first connecting piece, and the other end of the Siemens air valve actuator (8) is connected with a turntable joint ball (9) through a second connecting piece;
when the Siemens air valve actuator (8) works, the butterfly valve rod (10) can be driven to rotate through the second connecting piece so as to drive the butterfly valve plate (11) to rotate around the axial direction of the butterfly valve rod (10);
the control device is electrically connected with a Siemens air valve actuator (8);
the first connecting piece comprises a hinge support (3), a fixed end connecting rod (4) and a joint bearing (5);
one end of the hinge support (3) is arranged on the bracket (2), and the other end of the hinge support (3) is movably matched with one end of the joint bearing (5);
one end of the fixed end connecting rod (4) is connected with the Siemens air valve actuator (8), and the other end of the fixed end connecting rod (4) is connected with the other end of the joint bearing (5);
the second connecting piece comprises a moving end connecting rod (6) and a spherical bearing (7);
one end of the moving end connecting rod (6) is connected with a Siemens air valve actuator (8), and the other end of the moving end connecting rod (6) is movably matched with a turntable joint ball (9) through a spherical bearing (7);
the butterfly valve mechanism (1) comprises a butterfly valve shell (12) and a butterfly valve rotating disc (13);
a first valve rod mounting hole and a second valve rod mounting hole are formed in the butterfly valve shell (12);
the butterfly valve rod (10) is installed inside the butterfly valve shell (12), one end of the butterfly valve rod (10) is installed in the first valve rod installation hole, and the other end of the butterfly valve rod (10) penetrates through the second valve rod installation hole to be connected with the butterfly valve rotary table (13);
when the butterfly valve rotating disc (13) rotates relative to the butterfly valve shell (12), the butterfly valve rotating disc (13) can drive the butterfly valve rod (10) to rotate around the axial direction;
the butterfly valve mechanism (1) further comprises a cylindrical pin (20);
the cylindrical pin (20) is arranged at one end of the first valve rod mounting hole, which is connected with the external space;
the butterfly valve mechanism (1) further comprises a space ring (14), a spring sleeve (15), a fixed ring (16) and a positioning pin (17);
a space ring (14), a spring sleeve (15) and a fixed ring (16) are sequentially arranged between the butterfly valve shell (12) and the butterfly valve rotating disc (13) along the direction close to the butterfly valve rotating disc (13);
the spacer ring (14) and the spring sleeve (15) are sleeved on the butterfly valve rod (10);
one end of the fixing ring (16) is sleeved on the butterfly valve rod (10), and the other end of the fixing ring (16) is installed on the butterfly valve rotating disc (13) through a positioning pin (17);
two ends of the butterfly valve mechanism (1) are respectively connected with an exhaust pipeline (001) and an exhaust pipeline (002) through a connecting flange (18);
the connecting flange (18) adopts a stainless steel flange and is matched with a stainless steel bolt (19) to tightly connect the two flanges;
the exhaust pipeline (001) is provided with a temperature sensor, a pressure sensor and a flowmeter, and the temperature sensor, the pressure sensor and the flowmeter are respectively and electrically connected with the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487438.4U CN213068202U (en) | 2020-07-24 | 2020-07-24 | Exhaust back pressure adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487438.4U CN213068202U (en) | 2020-07-24 | 2020-07-24 | Exhaust back pressure adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213068202U true CN213068202U (en) | 2021-04-27 |
Family
ID=75577883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021487438.4U Active CN213068202U (en) | 2020-07-24 | 2020-07-24 | Exhaust back pressure adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213068202U (en) |
-
2020
- 2020-07-24 CN CN202021487438.4U patent/CN213068202U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101828013B (en) | Calibration of an actuator for a variable geometry turbine | |
| US7712312B2 (en) | Pressure balanced swing valve for engine system | |
| EP2971639B1 (en) | A wastegate valve and turbocharger having same | |
| CN105223008A (en) | A kind of turbocharger test device | |
| CN113531188B (en) | Corrugated pipe regulating valve capable of accurately controlling flow | |
| CN213068202U (en) | Exhaust back pressure adjusting device | |
| CN207715756U (en) | The low temperature electric control valve of preload adjustable | |
| CN109737236B (en) | Adjusting valve detection device | |
| US4717071A (en) | Combustion trim control apparatus | |
| CN214843979U (en) | Intelligent control's VVT engine solenoid valve detection device | |
| GB2151700A (en) | IC engine turbocharger and exhaust gas by-pass valve arrangement | |
| CN108412640B (en) | Metering valve assembly for single-channel fuel gas injection system | |
| CN218971851U (en) | Electric vacuum regulating valve capable of being cut off | |
| CN220302796U (en) | Low-resistance pipeline flow regulating valve | |
| CN204565958U (en) | The frock clamping platform of bearing gas leakage checkout equipment | |
| CN213274859U (en) | Gas metering device of high-power gas engine | |
| CN117989337A (en) | Cut-off type electric vacuum regulating valve and control method thereof | |
| CN111947932A (en) | Gas metering device of high-power gas engine | |
| CN211777701U (en) | Automatically controlled formula pressure switch subassembly | |
| CN215170153U (en) | Mining air volume automatic adjustment air window | |
| CN216869910U (en) | Trachea test fixture and vibration test device and test system based on same | |
| CN220817461U (en) | Pressure regulating overhauls device convenient to | |
| CN217898838U (en) | Pneumatic film single-seat regulating valve | |
| CN219736732U (en) | Pressure adjusting device and system before pressure test of supercharger tightness | |
| CN214368006U (en) | Multi-stage regulating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |