CN215763402U - Pneumatic valve convenient to adjust flow - Google Patents

Pneumatic valve convenient to adjust flow Download PDF

Info

Publication number
CN215763402U
CN215763402U CN202122010685.6U CN202122010685U CN215763402U CN 215763402 U CN215763402 U CN 215763402U CN 202122010685 U CN202122010685 U CN 202122010685U CN 215763402 U CN215763402 U CN 215763402U
Authority
CN
China
Prior art keywords
valve
flow
rack
fixedly connected
outer end
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
Application number
CN202122010685.6U
Other languages
Chinese (zh)
Inventor
杨德权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Meichuan Electric Technology Co ltd
Original Assignee
Anhui Meichuan Electric Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Meichuan Electric Technology Co ltd filed Critical Anhui Meichuan Electric Technology Co ltd
Priority to CN202122010685.6U priority Critical patent/CN215763402U/en
Application granted granted Critical
Publication of CN215763402U publication Critical patent/CN215763402U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Taps Or Cocks (AREA)

Abstract

The utility model discloses a pneumatic valve convenient for flow regulation, which comprises a driving box and a fixed flange, wherein a rack A and a rack B are respectively connected in the inner cavities of a gas cabin A and a gas cabin B in a sliding manner, a gear is rotationally connected in the inner cavity of the driving box and is respectively meshed with the rack A and the rack B, a joint rod is fixedly connected at the bottom end of the gear, a valve ball is fixedly connected at the other end of the joint rod, a through hole is formed in the inner cavity of the valve ball, convection holes are symmetrically formed at the outer end of the fixed flange, air is introduced into the two gas cabins, then the two racks are respectively pushed by the air to slide in the gas cabins, the valve ball at the bottom end of the gear is driven to rotate when the racks slide, the rotation angle of the valve ball can be conveniently controlled by controlling the air pressure in the two gas cabins, the two racks are respectively pushed by the two gas cabins, so that the valve ball stably rotates, and the two racks and the gear precisely rotate, the accuracy of valve body flow, velocity of flow control has been improved.

Description

Pneumatic valve convenient to adjust flow
Technical Field
The utility model relates to the technical field of pneumatic valves, in particular to a pneumatic valve convenient for flow adjustment.
Background
The pneumatic valve is a valve driven by compressed air. The working principle of the pneumatic valve is that a pneumatic piston actuating mechanism adopts compressed air as a power source, and a crank arm is driven to rotate for 90 degrees through the movement of a piston, so that the valve is automatically opened and closed. The components of it are: adjusting bolt, actuating mechanism box, crank arm, cylinder block, cylinder shaft, piston, connecting rod, cardan shaft. The working principle of the pneumatic regulating valve is as follows: the pneumatic regulating valve consists of an actuating mechanism and a regulating mechanism. The executing mechanism is a thrust component of the regulating valve, and generates corresponding thrust according to the pressure of the control signal to push the regulating mechanism to act. The valve body is a regulating part of a pneumatic regulating valve, and is directly contacted with a regulating medium to regulate the flow of the fluid.
However, the traditional spherical pneumatic valve adopts the air flow to drive the valve ball to rotate in the inner cavity of the flange, so as to control the opening and closing of the valve body, but the opening and closing degree corresponding to the convection holes on the two sides of the valve body and the through hole of the valve ball cannot be precisely controlled, so that the flow speed and the flow rate of liquid in the valve body cannot be controlled.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the pneumatic valve convenient for flow regulation, the flow speed and the flow rate of liquid are further realized by controlling the opening and closing angle between the valve ball through hole and the convection hole, the two racks are respectively pushed by the two air bins, so that the valve ball stably rotates, the two racks and the gear precisely rotate, and the control precision of the flow rate and the flow speed of the valve body is improved.
In order to solve the technical problems, the utility model provides the following technical scheme: a pneumatic valve convenient for flow regulation comprises a driving box and a fixed flange, wherein the driving box and an inner cavity of the fixed flange are provided with a flow regulation mechanism, the flow regulation mechanism comprises a gas cabin A, a rack A, a gas cabin B, a rack B, a gear, a connecting rod, a valve ball, a through hole and a convection hole, the gas cabin A and the gas cabin B are symmetrically arranged in the inner cavity of the driving box in an oblique angle mode, the rack A and the rack B are respectively and slidably connected in the inner cavity of the gas cabin A and the inner cavity of the gas cabin B, the gear is rotatably connected in the inner cavity of the driving box and respectively meshed with the rack A and the rack B, the connecting rod is fixedly connected at the bottom end of the gear, the valve ball is fixedly connected at the other end of the connecting rod, the valve ball is rotatably connected in the inner cavity of the fixed flange, the through hole is arranged in the inner cavity of the valve ball, the convection holes are arranged in two numbers, and the two convection holes are symmetrically arranged at the outer end of the fixing flange.
As a preferred technical scheme of the present invention, the apertures of the through hole and the convection holes are the same, two sides of the fixing flange are symmetrically and fixedly connected with a diversion flange, the diversion flange is communicated with the two convection holes, the bottom end of the driving box is fixedly connected with a connecting flange, and the other end of the connecting flange is connected with the fixing flange.
As a preferred technical scheme of the present invention, the outer end of the driving box is provided with a pneumatic mechanism, the pneumatic mechanism includes an air pump, two air inlet pipes, two air valves, two guide pipes a and two guide pipes B, the air pump is disposed at the top end of the driving box, the two air inlet pipes are fixedly connected to the outer end of the air pump, the two air valves are fixedly connected to the outer end of the air pump, the guide pipes a and the guide pipes B are both fixedly connected to the bottom end of the air pump, and the guide pipes a and the guide pipes B are respectively and fixedly connected to the outer ends of the air bin a and the air bin B.
As a preferred technical solution of the present invention, the pneumatic mechanism further comprises a tension spring, and the tension spring is respectively and fixedly connected between the air chamber a and the rack a, and between the air chamber B and the rack B.
As a preferred technical scheme of the present invention, a pressure stabilizing mechanism is disposed in an inner cavity of the driving box, the pressure stabilizing mechanism includes a flow stabilizing pipe a, a flow stabilizing valve a, a flow stabilizing pipe B, and a flow stabilizing valve B, the flow stabilizing pipe a is fixedly connected to an outer end of the gas cabin a, the flow stabilizing valve a is fixedly connected to the other end of the flow stabilizing pipe a, the flow stabilizing pipe B is fixedly connected to an outer end of the gas cabin B, the flow stabilizing valve B is fixedly connected to the other end of the flow stabilizing pipe B, and the flow stabilizing valve a and the flow stabilizing valve B are both fixedly connected to an outer end of the driving box.
As a preferred technical scheme of the utility model, the inner cavity of the fixed flange is fixedly connected with two sealing plates, the outer end of the valve ball is fixedly connected with two snap rings, and the two snap rings are respectively and rotatably connected in the inner cavities of the two sealing plates.
As a preferred technical solution of the present invention, a flow measurer is fixedly connected to a bottom end of the fixing flange, an outer end of the flow measurer is electrically connected to a conductive wire, another end of the conductive wire is electrically connected to a display, and the display is fixedly connected to a top end of the driving box.
Compared with the prior art, the utility model can achieve the following beneficial effects:
1. through the gas storehouse A and the gas storehouse B that set up, let in the air to two gas storehouses, and then the air promotes two racks and slides respectively in the gas storehouse, the valve ball that drives the gear bottom when the rack slides is rotatory, can be through controlling the inside air pressure of two gas storehouses, and then be convenient for control the rotation angle of valve ball, the valve ball is when rotatory, through the counterpoint area of governing valve ball through-hole and convection hole, and then the flow and the velocity of flow of control valve body, promote two racks respectively through two gas storehouses, make the steady rotation of valve ball, the precision between two racks and the gear rotates, the valve body flow has been improved, the precision of velocity of flow control.
2. Through the steady flow valve A and the steady flow valve B that set up, two pipes can the autonomous working, and then be convenient for push the airflow of different cubes according to the demand, and deflate through two steady flow valves, make the gear drive the valve ball of linking pole bottom rotate at the uniform velocity, the rotation angle of valve ball can be kept to quantitative air current simultaneously, and then the angle that opens and shuts that corresponds between control valve ball through-hole and the convection current hole, thereby valve body flow has been improved, the precision of velocity of flow, through the flow measurement ware that sets up, the flow measurement ware can detect the velocity of flow and the flow of liquid in the unit interval, be convenient for master the operating condition of valve body at any time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the fixing flange and the valve ball of the present invention;
FIG. 3 is a schematic structural view of a valve ball of the present invention;
fig. 4 is a schematic structural diagram of a driving box of the present invention.
Wherein: 1. a drive box; 2. a flow rate adjusting mechanism; 201. a gas bin A; 202. a rack A; 203. a gas bin B; 204. a rack B; 205. a gear; 206. a connecting rod; 207. a valve ball; 208. a through hole; 209. a convection hole; 3. a pneumatic mechanism; 301. an air pump; 302. an air inlet pipe; 303. an air valve; 304. a conduit A; 305. a conduit B; 306. a tension spring; 4. a pressure stabilizing mechanism; 401. a flow stabilizing pipe A; 402. a flow stabilizing valve A; 403. a flow stabilizing pipe B; 404. a flow stabilizing valve B; 5. a connecting flange; 6. a fixed flange; 7. a sealing plate; 8. a snap ring; 9. a flow rate measurer; 10. a conductive line; 11. a display; 12. and (4) a flow guide flange.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1-4, the present invention provides a pneumatic valve convenient for flow rate adjustment, comprising a driving box 1 and a fixed flange 6, wherein the driving box 1 and the fixed flange 6 are provided with a flow rate adjusting mechanism 2, the flow rate adjusting mechanism 2 comprises a gas chamber a201, a rack a202, a gas chamber B203, a rack B204, a gear 205, an engaging rod 206, a valve ball 207, a through hole 208 and a convection hole 209, the gas chamber a201 and the gas chamber B203 are obliquely and symmetrically arranged in the inner chamber of the driving box 1, the rack a202 and the rack B204 are respectively and slidably connected in the inner chambers of the gas chamber a201 and the gas chamber B203, the gear 205 is rotatably connected in the inner chamber of the driving box 1 and respectively engaged with the rack a202 and the rack B204, the engaging rod 206 is fixedly connected to the bottom end of the gear 205, the valve ball 207 is fixedly connected to the other end of the engaging rod 206, the valve ball 207 is rotatably connected to the inner chamber of the fixed flange 6, the through hole 208 is arranged in the inner chamber of the valve ball 207, two convection holes 209 are arranged, and the two convection holes 209 are symmetrically arranged at the outer end of the fixed flange 6;
airflow is introduced into the air chamber A201 and the air chamber B203, so that the airflow pushes the rack A202 and the rack B204 to slide in the air chamber A201 and the air chamber B203 respectively, and when the two racks slide, the two racks drive the valve ball 207 at the bottom end of the connecting rod 206 to rotate in the inner cavity of the fixed flange 6, when the valve ball 207 rotates, the through hole 208 in the inner cavity of the valve ball 207 corresponds to the convection hole 209, so that the valve body is communicated with the guide flange 12, further leading the liquid to flow, controlling the air flow in the inner cavities of the air bin A201 and the air bin B203 so as to control the sliding distance of the rack A202 and the rack B204 in the air bin A201 and the air bin B203 respectively, and further controls the rotation angle of the gear 205, thereby adjusting the rotation angle of the valve ball 207 connected to the connection rod 206 at the lower end of the gear 205, the flow and the flow speed of the valve body can be accurately controlled by adjusting the opening and closing angle between the through hole 208 of the inner cavity of the valve ball 207 and the outer end of the fixed flange 6 to the flow hole 209.
In other embodiments, the aperture of the through hole 208 is the same as the aperture of the convection hole 209, the two sides of the fixed flange 6 are symmetrically and fixedly connected with the guide flanges 12, the guide flanges 12 are communicated with the two convection holes 209, the bottom end of the driving box 1 is fixedly connected with the connecting flange 5, and the other end of the connecting flange 5 is connected with the fixed flange 6;
the through holes 208 and the convection holes 209 with the same caliber enable the liquid to smoothly circulate, the guide flange 12 can be connected with external equipment, the connecting flange 5 is convenient for indirect connection between the driving box 1 and the fixing flange 6, and meanwhile, the connecting rod 206 is protected.
In other embodiments, the outer end of the driving box 1 is provided with the pneumatic mechanism 3, the pneumatic mechanism 3 includes an air pump 301, two air inlet pipes 302, two air valves 303, a conduit a304 and a conduit B305, the air pump 301 is arranged at the top end of the driving box 1, the two air inlet pipes 302 are fixedly connected to the outer end of the air pump 301, the two air valves 303 are fixedly connected to the outer end of the air pump 301, the conduit a304 and the conduit B305 are both fixedly connected to the bottom end of the air pump 301, and the conduit a304 and the conduit B305 are respectively fixedly connected to the outer ends of the air chamber a201 and the air chamber B203;
air pump 301 passes through two intake pipe 302 aspirations with external air, the gas of will drawing is introduced into air storehouse A201 and air storehouse B203 through pipe A304 and pipe B305 respectively again, two intake pipe 302's air input can be controlled respectively to two pneumatic valves 303, thereby control the air content in two air storehouses, through the air content in adjusting two air storehouses, and then control gear 205's direction of rotation and turned angle, make the rotation of valve ball 207 steady on the one hand, on the other hand the interior through-hole 208 of valve ball 207 and the more accurate angle of opening and shutting between the convection current hole 209, thereby the flow and the flow of accurate control liquid.
In other embodiments, the pneumatic mechanism 3 further includes a tension spring 306, and the tension spring 306 is respectively and fixedly connected between the air chamber a201 and the rack a202, and between the air chamber B203 and the rack B204;
when the valve body is closed, the air pump 301 is closed, the tension spring 306 drives the rack to slide and reset in the air chamber, and air flow does not need to be used for pushing the rack to drive the gear 205 to rotate, so that the valve ball 207 is rapidly driven to rotate to block the convection hole 209, and liquid is prevented from flowing continuously.
In other embodiments, a pressure stabilizing mechanism 4 is arranged in an inner cavity of the driving box 1, the pressure stabilizing mechanism 4 comprises a pressure stabilizing pipe A401, a pressure stabilizing valve A402, a pressure stabilizing pipe B403 and a pressure stabilizing valve B404, the pressure stabilizing pipe A401 is fixedly connected to the outer end of the gas cabin A201, the pressure stabilizing valve A402 is fixedly connected to the other end of the pressure stabilizing pipe A401, the pressure stabilizing pipe B403 is fixedly connected to the outer end of the gas cabin B203, the pressure stabilizing valve B404 is fixedly connected to the other end of the pressure stabilizing pipe B403, and the pressure stabilizing valve A402 and the pressure stabilizing valve B404 are both fixedly connected to the outer end of the driving box 1;
when the flow of the valve body is adjusted, the air pump 301 does not need to be closed, and the power of the flow stabilizing valve a402 and the power of the flow stabilizing valve B404 are controlled, so that the flow stabilizing pipe a401 and the flow stabilizing pipe B403 deflate the air chamber a201 and the air chamber B203 in different air pressure units, the valve ball 207 rotates stably, the rotating angle precision of the valve ball 207 is high, and the control precision of the flow and the flow speed of the valve body is improved.
In other embodiments, the inner cavity of the fixed flange 6 is fixedly connected with two sealing plates 7, the outer end of the valve ball 207 is fixedly connected with two snap rings 8, the number of the snap rings 8 is two, and the two snap rings 8 are respectively and rotatably connected to the inner cavities of the two sealing plates 7;
the sealing plate 7 that sets up can seal up mounting flange 6, avoids appearing losing heart, the phenomenon of gas leakage, sets up snap ring 8 and makes the rotation of valve ball 207 more stable, avoids valve ball 207 to drop, causes valve body operating fault.
In other embodiments, the bottom end of the fixing flange 6 is fixedly connected with a flow measurer 9, the outer end of the flow measurer 9 is electrically connected with a conducting wire 10, the other end of the conducting wire 10 is electrically connected with a display 11, and the display 11 is fixedly connected to the top end of the driving box 1;
when liquid flows through the valve body again, flow measurement ware 9 detects velocity of flow, flow to in transmitting the signal of telecommunication to display 11 through conducting wire 10, display 11 can reflect the flow and the velocity of flow of liquid in the unit interval, and display 11 can transmit monitoring data to computer terminal, and the operating personnel of being convenient for masters the mobile state of liquid in the valve body at any time.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a pneumatic valve convenient to adjust flow, includes drive case (1) and mounting flange (6), its characterized in that: the drive box (1) and the inner cavity of the fixed flange (6) are provided with a flow regulating mechanism (2), the flow regulating mechanism (2) comprises a gas bin A (201), a rack A (202), a gas bin B (203), a rack B (204), a gear (205), a connecting rod (206), a valve ball (207), a through hole (208) and a convection hole (209), the gas bin A (201) and the gas bin B (203) are symmetrically arranged in the inner cavity of the drive box (1) in an oblique angle mode, the rack A (202) and the rack B (204) are respectively connected in the inner cavities of the gas bin A (201) and the gas bin B (203) in a sliding mode, the gear (205) is connected in the inner cavity of the drive box (1) in a rotating mode and is respectively meshed with the rack A (202) and the rack B (204), the connecting rod (206) is fixedly connected to the bottom end of the gear (205), valve ball (207) fixed connection in the other end that links up pole (206), just valve ball (207) rotate connect in the inner chamber of mounting flange (6), through-hole (208) are seted up in the inner chamber of valve ball (207), convection hole (209) are equipped with two, two convection hole (209) symmetry is seted up in the outer end of mounting flange (6).
2. A pneumatic valve for facilitating the regulation of flow as set forth in claim 1, wherein: through-hole (208) with the bore of convection hole (209) is the same, the bilateral symmetry fixedly connected with water conservancy diversion flange (12) of mounting flange (6), water conservancy diversion flange (12) and two convection hole (209) switch on mutually, the bottom fixedly connected with flange (5) of drive box (1), the other end of flange (5) with be connected between mounting flange (6).
3. A pneumatic valve for facilitating the regulation of flow as set forth in claim 1, wherein: the outer end of drive case (1) is equipped with pneumatic mechanism (3), pneumatic mechanism (3) include air pump (301), intake pipe (302), pneumatic valve (303), pipe A (304) and pipe B (305), air pump (301) are located the top of drive case (1), intake pipe (302) are equipped with two, two intake pipe (302) fixed connection in the outer end of air pump (301), pneumatic valve (303) are equipped with two, two pneumatic valve (303) fixed connection in the outer end of air pump (301), pipe A (304) and the equal fixed connection of pipe B (305) in the bottom of air pump (301), just pipe A (304) with pipe B (305) respectively fixed connection in gas storehouse A (201) with the outer end of gas storehouse B (203).
4. A pneumatic valve to facilitate regulating flow as set forth in claim 3, wherein: the pneumatic mechanism (3) further comprises a tension spring (306), and the tension spring (306) is fixedly connected among the air bin A (201), the rack A (202), the air bin B (203) and the rack B (204) respectively.
5. A pneumatic valve for facilitating the regulation of flow as set forth in claim 1, wherein: the inner chamber of drive case (1) is equipped with steady voltage mechanism (4), steady voltage mechanism (4) are including steady flow tube A (401), steady flow valve A (402), steady flow tube B (403), steady flow valve B (404), steady flow tube A (401) fixed connection is in the outer end of gas storehouse A (201), steady flow valve A (402) fixed connection in the other end of steady flow tube A (401), steady flow tube B (403) fixed connection is in the outer end of gas storehouse B (203), steady flow valve B (404) fixed connection in the other end of steady flow tube B (403), just steady flow valve A (402) with steady flow valve B (404) equal fixed connection in the outer end of drive case (1).
6. A pneumatic valve for facilitating the regulation of flow as set forth in claim 1, wherein: the inner cavity fixedly connected with closing plate (7) of mounting flange (6), closing plate (7) are equipped with two, the outer end fixedly connected with snap ring (8) of valve ball (207), snap ring (8) are equipped with two, two snap ring (8) rotate respectively connect in two in the inner cavity of closing plate (7).
7. A pneumatic valve for facilitating the regulation of flow as set forth in claim 1, wherein: the flow rate measuring device is characterized in that the bottom end of the fixing flange (6) is fixedly connected with a flow rate measuring device (9), the outer end of the flow rate measuring device (9) is electrically connected with a conducting wire (10), the other end of the conducting wire (10) is electrically connected with a display (11), and the display (11) is fixedly connected to the top end of the driving box (1).
CN202122010685.6U 2021-08-25 2021-08-25 Pneumatic valve convenient to adjust flow Active CN215763402U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122010685.6U CN215763402U (en) 2021-08-25 2021-08-25 Pneumatic valve convenient to adjust flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122010685.6U CN215763402U (en) 2021-08-25 2021-08-25 Pneumatic valve convenient to adjust flow

Publications (1)

Publication Number Publication Date
CN215763402U true CN215763402U (en) 2022-02-08

Family

ID=80078226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122010685.6U Active CN215763402U (en) 2021-08-25 2021-08-25 Pneumatic valve convenient to adjust flow

Country Status (1)

Country Link
CN (1) CN215763402U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776866A (en) * 2022-04-12 2022-07-22 凯杭自动化科技有限公司 Anti-vortex steady flow ball valve for water inlet pipe of hydropower station

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776866A (en) * 2022-04-12 2022-07-22 凯杭自动化科技有限公司 Anti-vortex steady flow ball valve for water inlet pipe of hydropower station
CN114776866B (en) * 2022-04-12 2023-10-31 凯杭自动化科技有限公司 Vortex-resistant steady flow ball valve for water inlet pipeline of hydropower station

Similar Documents

Publication Publication Date Title
US10608333B2 (en) Non-metal pneumatic cylinder for use in electromagnetic compatibility test, antenna device having adaptable angle of rotation, and system
CN215763402U (en) Pneumatic valve convenient to adjust flow
CN103994806A (en) Double-cavity piston type flow calibrator
CN105806610A (en) Rotary joint service life testing table for fluid conveying
CN208907502U (en) A kind of Novel regulating valve valve actuator
CN207923650U (en) A kind of hydraulic air oil viscosity adjustable attenuation index testing device
CN113983269A (en) Detection warning pipeline compensator
CN205748889U (en) Swivel joint life test rack is used in a kind of fluid conveying
CN108825811A (en) A kind of Multifunctional cast iron ball valve
CN106596343B (en) High-voltage rotary viscosimeter
CN205226440U (en) Ultrasonic wave measurement ball valve
CN102410187A (en) Method for achieving liquid flow output, phase-change power unit and constant flow pump
CN107620701B (en) The driving of high speed constant pressure variable plunger pump and load change test device based on power back off
CN208091528U (en) A kind of continuous type gas collection and metering device
CN105257858B (en) Supersonic wave metering ball valve
CN109708823A (en) A kind of experimental rig and test method for rotary seal structure test
CN214224545U (en) High-temperature working state test system for fuel test piece
CN115791411A (en) Stainless steel ripples hose resistance to pressure check out test set
CN107966186A (en) A kind of continuous type gas collection and metering device
CN208935449U (en) A kind of intelligent valve control system
CN208565584U (en) A kind of butterfly valve with flow detection
CN220276354U (en) Direct stirring, degassing and oil-filling device of remote liquid level pressure transmitter
CN210372039U (en) Measurement and control integrated valve flowmeter
CN208333572U (en) A kind of molten sulfur flowmeter convenient for safeguarding
CN220063595U (en) Detect sample diluting device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant