CN114798538B - Emergency protection device for electrohydraulic servo valve - Google Patents
Emergency protection device for electrohydraulic servo valve Download PDFInfo
- Publication number
- CN114798538B CN114798538B CN202210394743.6A CN202210394743A CN114798538B CN 114798538 B CN114798538 B CN 114798538B CN 202210394743 A CN202210394743 A CN 202210394743A CN 114798538 B CN114798538 B CN 114798538B
- Authority
- CN
- China
- Prior art keywords
- protection device
- device body
- fixedly connected
- sliding
- connecting 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.)
- Active
Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 24
- 238000007790 scraping Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 241000883990 Flabellum Species 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses an electrohydraulic servo valve emergency protection device which comprises a protection device body, a mounting mechanism and a limiting mechanism, wherein a fan is fixedly arranged on the protection device body, a filter screen is arranged on the protection device body, a support is fixedly connected on the protection device body, a connecting sleeve is fixedly connected on the support, a connecting rod is connected inside the connecting sleeve through a bearing, a baffle is fixedly connected on the connecting rod, a connecting rod is rotatably connected inside the filter screen, the baffle is rotatably connected inside the filter screen, one end of the connecting rod is fixedly connected with a fan blade, the mounting mechanism is arranged on the connecting rod, a plug is inserted on the protection device body, a limiting frame is contacted on the protection device body, the limiting frame is contacted with the plug, and the limiting mechanism is arranged on the limiting frame. The invention relates to an electrohydraulic servo valve emergency protection device which has the effects of preventing a filter screen from being blocked and preventing a plug from loosening.
Description
Technical Field
The invention belongs to the technical field of electrohydraulic servo valves, and particularly relates to an electrohydraulic servo valve emergency protection device.
Background
The electrohydraulic servo valve is a key element in electrohydraulic servo control, is a hydraulic control valve which correspondingly outputs modulated flow and pressure after receiving analog electric signals, has the advantages of quick dynamic response, high control precision, long service life and the like, and is widely applied to electrohydraulic servo control systems in the fields of aviation, aerospace, ships, metallurgy, chemical industry and the like. The electrohydraulic servo valve can be monitored and operated by using the emergency protection device when in use, and the plug of the existing electrohydraulic servo valve emergency protection device is unstable in plug connection when in use, and a filter screen is easy to block when in use.
The invention comprises the following steps:
the invention aims to provide an electrohydraulic servo valve emergency protection device for solving the problems, and solves the problems in the background art.
In order to solve the problems, the invention provides the technical scheme that:
the utility model provides an emergent protection device of electrohydraulic servo valve, includes protection device body, installation mechanism, stop gear, fixed mounting has the fan on the protection device body, be provided with the filter screen on the protection device body, fixedly connected with support on the protection device body, fixedly connected with adapter sleeve on the support, the inside of adapter sleeve is connected with the connecting rod through the bearing, fixedly connected with baffle on the connecting rod, the inside of filter screen rotates and is connected with the baffle, the one end fixedly connected with flabellum of connecting rod is provided with installation mechanism on the connecting rod, peg graft on the protection device body has the plug, the contact has the locating part on the protection device body, locating part and plug contact, be provided with stop gear on the locating part.
Preferably, the installation mechanism comprises an installation sleeve, a scraping plate, a positioning block, a nut, a protective shell, an air inlet hole and a clamping block, wherein the installation sleeve is sleeved on the outer side of the connecting rod in a sliding manner, the scraping plate is fixedly connected to the installation sleeve, the positioning block is connected to the baffle in a sliding manner, threads are arranged on the connecting rod, the nut is connected to the outer side of the connecting rod through threads, the nut is in contact with the installation sleeve, the protective shell is contacted with the protective device body, the air inlet hole is formed in the protective shell, the clamping block is fixedly connected to the protective shell, the clamping block is clamped on the protective device body, and the connecting rod is connected to the protective shell in a rotating manner. The clamping block on the protective shell is pulled out of the protective device body, and then the nut is rotated to unscrew, so that the scraping plate can be detached and replaced.
Preferably, the installation sleeve and the scraping plate are contacted with the baffle plate, the scraping plate is contacted with the filter screen, and the filter screen can be effectively prevented from being blocked by the design of the scraping plate.
Preferably, the number of the air inlets is multiple, the air inlets are uniformly distributed on the protective shell, and through the design of the air inlets, air flow can enter the protective device body.
As the preference, stop gear includes spout, slider, guide bar, fixed plate, threaded rod, slide bar, limiting plate, spring, spacing groove, the spout has been seted up on the protection device body, the inside sliding connection of spout has the slider, spacing and slider fixed connection, fixedly connected with fixed plate on the protection device body, the inside of fixed plate has the threaded rod through threaded connection, install the threaded rod through the bearing on the spacing, the inside sliding connection of spacing has the slide bar, fixedly connected with limiting plate on the slide bar, limiting plate and protection device body contact, the outside of slide bar is provided with the spring, the spacing groove has been seted up on the protection device body, through the design of spacing, can play spacing effect to the plug, through the design of slide bar, can carry out spacing to the spacing, make the plug more stable when pegging graft with the protection device body.
Preferably, the inside fixedly connected with guide bar of spout, the outside sliding sleeve of guide bar has the slider, through the design of guide bar, can make the locating rack more stable when removing.
Preferably, one end of the spring is fixedly connected with a limiting plate, the other end of the spring is fixedly connected with a limiting frame, and the sliding rod can be driven to limit the limiting frame through the design of the spring.
Preferably, the number of the limiting grooves is two, the two limiting grooves are both connected with sliding rods in a sliding mode, and the limiting grooves are designed to be matched with the sliding rods to limit the limiting frames.
The beneficial effects of the invention are as follows: the invention relates to an electrohydraulic servo valve emergency protection device, which has the effects of preventing a filter screen from being blocked and preventing a plug from loosening, and has the following beneficial effects in specific use:
firstly, through being provided with the scraper blade, when can making the fan drive the flabellum and rotate, make the flabellum drive the scraper blade and scratch the filter screen, can effectually prevent that the filter screen from blockking up, and through being provided with parts such as installation cover, nut, can conveniently dismantle the change to the scraper blade, solved current emergent protection device of electrohydraulic servo valve and used the easy problem of blockking up of filter screen.
Secondly, through being provided with parts such as limiting plate, fixed plate, threaded rod, can play limiting effect to the plug for the plug is more stable when using, can not appear not hard up phenomenon, has solved current electrohydraulic servo valve emergency protection device and has pegged graft unstable problem when using the plug.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of the portion A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure of the portion B in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure of portion C in FIG. 1 according to the present invention;
FIG. 5 is a right side view of the mounting sleeve of FIG. 3 in accordance with the present invention;
fig. 6 is a left side view of the protective case of fig. 1 in accordance with the present invention.
In the figure: 1. a protective device body; 2. a blower; 3. a filter screen; 4. a bracket; 5. connecting sleeves; 6. a connecting rod; 7. a baffle; 8. a fan blade; 9. a mounting mechanism; 91. a mounting sleeve; 92. a scraper; 93. a positioning block; 94. a nut; 95. a protective shell; 96. an air inlet hole; 97. a clamping block; 10. a plug; 11. a limiting frame; 12. a limiting mechanism; 121. a chute; 122. a slide block; 123. a guide rod; 124. a fixing plate; 125. a threaded rod; 126. a slide bar; 127. a limiting plate; 128. a spring; 129. and a limit groove.
The specific embodiment is as follows:
as shown in fig. 1-6, the present embodiment adopts the following technical scheme:
examples:
the utility model provides an emergent protection device of electrohydraulic servo valve, includes protection device body 1, installation mechanism 9, stop gear 12, fixed mounting has fan 2 on the protection device body 1, be provided with filter screen 3 on the protection device body 1, fixedly connected with support 4 on the protection device body 1, fixedly connected with adapter sleeve 5 on the support 4, the inside of adapter sleeve 5 is connected with connecting rod 6 through the bearing, fixedly connected with baffle 7 on the connecting rod 6, the inside rotation of filter screen 3 is connected with baffle 7, the one end fixedly connected with flabellum 8 of connecting rod 6, be provided with installation mechanism 9 on the connecting rod 6, peg graft on the protection device body 1 has plug 10, the contact has spacing 11 on the protection device body 1, spacing 11 and plug 10 contact, be provided with stop gear 12 on the spacing 11.
Wherein, the installation mechanism 9 includes installation cover 91, scraper blade 92, locating piece 93, nut 94, protective housing 95, inlet port 96, fixture block 97, the outside sliding sleeve of connecting rod 6 has installed cover 91, fixedly connected with scraper blade 92 on the installation cover 91, fixedly connected with locating piece 93 on the installation cover 91, the inside sliding connection of baffle 7 has locating piece 93, be provided with the screw thread on the connecting rod 6, the outside of connecting rod 6 is through threaded connection having nut 94, nut 94 and the contact of installation cover 91, the contact has protective housing 95 on the protection device body 1, the inlet port 96 has been seted up on the protective housing 95, fixedly connected with fixture block 97 on the protective housing 95, the joint has fixture block 97 on the protection device body 1, the internal rotation of protective housing 95 is connected with connecting rod 6. The clamping block 97 is made of elastic rubber, and the scraping plate 92 can be detached and replaced by pulling the clamping block 97 on the protective shell 95 out of the protective device body 1 and then rotating the unscrewed nut 94.
Wherein, installation cover 91 and scraper blade 92 all contact with baffle 7, and scraper blade 92 contacts with filter screen 3, through the design of scraper blade 92, can effectually prevent filter screen 3 jam.
The number of the air inlets 96 is plural, the air inlets 96 are uniformly distributed on the protective shell 95, and through the design of the air inlets 96, air flow can enter the protective device body 1.
Wherein, stop gear 12 includes spout 121, slider 122, guide bar 123, fixed plate 124, threaded rod 125, slide bar 126, limiting plate 127, spring 128, spacing groove 129, spout 121 has been seted up on the protection device body 1, the inside sliding connection of spout 121 has slider 122, spacing 11 and slider 122 fixed connection, fixedly connected with fixed plate 124 on the protection device body 1, the inside of fixed plate 124 has threaded rod 125 through threaded connection, install threaded rod 125 through the bearing on the spacing 11, the inside sliding connection of spacing 11 has slide bar 126, fixedly connected with limiting plate 127 on the slide bar 126, limiting plate 127 and protection device body 1 contact, the outside of slide bar 126 is provided with spring 128, spacing groove 129 has been seted up on the protection device body 1, through the design of spacing 11, can play the limiting effect to plug 10, through the design of slide bar 126, can carry out spacing to spacing 11, make plug 10 more stable when pegging graft with protection device body 1.
Wherein, the inside fixedly connected with guide bar 123 of spout 121, the outside sliding sleeve of guide bar 123 has been cup jointed slider 122, through the design of guide bar 123, can make the spacing 11 more stable when removing.
One end of the spring 128 is fixedly connected with a limiting plate 127, the other end of the spring 128 is fixedly connected with a limiting frame 11, and the sliding rod 126 can be driven to limit the limiting frame 11 through the design of the spring 128.
Wherein, the quantity of spacing groove 129 is two, and the inside of two spacing grooves 129 all sliding connection has slide bar 126, through the design of spacing groove 129, can cooperate slide bar 126 to carry out spacingly to spacing 11.
The use state of the invention is as follows: during the use, through start fan 2, make fan 2 drive the air current get into protection device body 1 from the inlet port 96 on the protective housing 95, then make this air current drive flabellum 8 rotate, make flabellum 8 drive connecting rod 6 rotate, make connecting rod 6 drive scraper blade 92 on the installation sleeve 91 rotate, make scraper blade 92 scratch filter screen 3, thereby effectual filter screen 3 blocks up, through extracting fixture block 97 on the protective housing 95 from protection device body 1, alright take off protective housing 95 from protection device body 1, then rotate and unscrew nut 94, can remove the spacing to installation sleeve 91, through the locating piece 93 on the installation sleeve 91 roll out from baffle 7, and can take off installation sleeve 91 and scraper blade 92, can dismantle the change to scraper blade 92, peg graft plug 10 and protection device body 1, then through rotating 125, make scraper blade 125 take place the screw motion with fixed plate 124, and make threaded rod 125 drive spacing 11 remove, make spacing 11 and plug 10 remove, alright carry out spacing to plug 10, alright drive the stop on the slide bar 126 on the limiting plate 127 from protection device body 1, then rotate and rotate the nut 94, can remove spacing device 126 on the spacing plate 127, can drive the spacing device 126 on the spacing plate 127, can be removed from the spacing device 11 through the spacing device 11, and make the spacing device 126 to be kept away from the spacing device 11, and make the spacing device 126 to be removed from the spacing device 11.
Claims (1)
1. The utility model provides an emergent protection device of electrohydraulic servo valve, includes protection device body (1), installation mechanism (9), stop gear (12), its characterized in that: the protection device comprises a protection device body (1), wherein a fan (2) is fixedly installed on the protection device body (1), a filter screen (3) is arranged on the protection device body (1), a support (4) is fixedly connected to the protection device body (1), a connecting sleeve (5) is fixedly connected to the support (4), a connecting rod (6) is connected to the inside of the connecting sleeve (5) through a bearing, a baffle (7) is fixedly connected to the connecting rod (6), a connecting rod (6) is rotatably connected to the inside of the filter screen (3), a baffle (7) is rotatably connected to the inside of the filter screen (3), a fan blade (8) is fixedly connected to one end of the connecting rod (6), an installation mechanism (9) is arranged on the connecting rod (6), a plug (10) is inserted on the protection device body (1), a limiting frame (11) is contacted with the plug (10), and a limiting mechanism (12) is arranged on the limiting frame (11).
The mounting mechanism (9) comprises a mounting sleeve (91), a scraping plate (92), a positioning block (93), a nut (94), a protective shell (95), an air inlet (96) and a clamping block (97), wherein the outer side of the connecting rod (6) is in sliding sleeve connection with the mounting sleeve (91), the scraping plate (92) is fixedly connected with the mounting sleeve (91), the positioning block (93) is in sliding connection with the inside of the baffle (7), threads are arranged on the connecting rod (6), the nut (94) is in contact with the mounting sleeve (91), the protective shell (95) is in contact with the outer side of the connecting rod (6), the air inlet (96) is formed in the protective shell (95), the clamping block (97) is fixedly connected onto the protective shell (95), the clamping block (97) is clamped onto the protective shell (95), and the connecting rod (6) is rotationally connected with the connecting rod (6);
the installation sleeve (91) and the scraping plate (92) are contacted with the baffle (7), and the scraping plate (92) is contacted with the filter screen (3);
the number of the air inlets (96) is multiple, and the air inlets (96) are uniformly distributed on the protective shell (95);
the limiting mechanism (12) comprises a sliding groove (121), a sliding block (122), a guide rod (123), a fixed plate (124), a threaded rod (125), a sliding rod (126), a limiting plate (127), a spring (128) and a limiting groove (129), wherein the sliding groove (121) is formed in the protecting device body (1), the sliding block (122) is connected to the sliding groove (121) in a sliding mode, the fixed plate (124) is fixedly connected to the limiting frame (11) in a fixed mode, the threaded rod (125) is connected to the inside of the fixed plate (124) in a threaded mode, the threaded rod (125) is installed on the limiting frame (11) through a bearing, the sliding rod (126) is connected to the inside of the limiting frame (11) in a sliding mode, the limiting plate (127) is in contact with the protecting device body (1), the spring (128) is arranged on the outer side of the sliding rod (126), and the limiting groove (129) is formed in the protecting device body (1).
A guide rod (123) is fixedly connected inside the sliding groove (121), and a sliding block (122) is sleeved on the outer side of the guide rod (123) in a sliding manner;
one end of the spring (128) is fixedly connected with a limiting plate (127), and the other end of the spring (128) is fixedly connected with a limiting frame (11);
the number of the limiting grooves (129) is two, and sliding rods (126) are connected inside the two limiting grooves (129) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210394743.6A CN114798538B (en) | 2022-04-15 | 2022-04-15 | Emergency protection device for electrohydraulic servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210394743.6A CN114798538B (en) | 2022-04-15 | 2022-04-15 | Emergency protection device for electrohydraulic servo valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114798538A CN114798538A (en) | 2022-07-29 |
| CN114798538B true CN114798538B (en) | 2023-07-25 |
Family
ID=82536864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210394743.6A Active CN114798538B (en) | 2022-04-15 | 2022-04-15 | Emergency protection device for electrohydraulic servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114798538B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355168B (en) * | 2022-10-24 | 2023-01-17 | 烟台中宇航空液压有限公司 | Multi-gear hydraulic pump |
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| CN111430986A (en) * | 2020-04-09 | 2020-07-17 | 耿宽 | Fastening device for computer case jack |
| CN213311122U (en) * | 2020-09-08 | 2021-06-01 | 张同雪 | Surgical operation protection device |
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| CN107980085B (en) * | 2015-06-10 | 2019-11-19 | 波克兰液压工业设备公司 | It is used in particular for the pressure limiting equipment of the hydraulic booster system of vehicle |
| CN210330249U (en) * | 2019-04-28 | 2020-04-17 | 湖北工业大学 | Precious box of placing charges |
| CN110513522A (en) * | 2019-08-16 | 2019-11-29 | 烟台中宇航空液压有限公司 | Electrohydraulic servo valve emergency protecting equipment |
| CN212910376U (en) * | 2020-09-19 | 2021-04-06 | 李孟 | Wisdom city central control cabinet |
| CN215301153U (en) * | 2021-06-19 | 2021-12-24 | 重庆城市管理职业学院 | Big data computer network safety device |
| CN214839983U (en) * | 2021-06-21 | 2021-11-23 | 深圳盛泰智能创新技术有限公司 | Portable motion DV camera stop gear |
| CN214896397U (en) * | 2021-06-29 | 2021-11-26 | 南京汇佰盛信息科技有限公司 | Computer multi-screen display device for software development |
| CN215654334U (en) * | 2021-07-27 | 2022-01-28 | 深圳市格睿物联技术有限公司 | Digital two-phase 86 stepping micro motor EtherCAT closed loop driver |
| CN114256691A (en) * | 2021-11-09 | 2022-03-29 | 深圳市奇思广告有限公司 | Embedded smart television access device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430986A (en) * | 2020-04-09 | 2020-07-17 | 耿宽 | Fastening device for computer case jack |
| CN213311122U (en) * | 2020-09-08 | 2021-06-01 | 张同雪 | Surgical operation protection device |
| CN215999489U (en) * | 2021-09-02 | 2022-03-11 | 青岛顺泰飞驰车辆有限公司 | Drilling machine convenient to press from both sides tight spacing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114798538A (en) | 2022-07-29 |
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