CN212585938U - Detection equipment for pressure wave protection device - Google Patents
Detection equipment for pressure wave protection device Download PDFInfo
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- CN212585938U CN212585938U CN202021718901.1U CN202021718901U CN212585938U CN 212585938 U CN212585938 U CN 212585938U CN 202021718901 U CN202021718901 U CN 202021718901U CN 212585938 U CN212585938 U CN 212585938U
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Abstract
The utility model discloses a detection device for a pressure wave protection device, which comprises an air box and a cover plate arranged at the top end of the air box in a clamping and sealing way through a clamping device, wherein a rectangular opening is arranged on the cover plate, and the cover plate is connected with an air door substrate in a sealing way; one side wall of the air box is communicated with a ventilating device, and one side wall of the air box is also communicated with a pressure detection device; the side of the bellows is also provided with a controller, and the controlled ends of the ventilation device and the pressure wave protection device are respectively connected with the output end of the controller. The utility model discloses when pressure wave protection device's air door adjustable fender closed, aerify to the bellows through the air breather, when gas lets in certain pressure, judge pressure wave protection device's gas tightness through the pressure drop situation of observing pressure measurement device, it is very convenient to detect.
Description
Technical Field
The utility model relates to an air tightness detection device technical field, concretely relates to pressure ripples check out test set for protection device.
Background
Air conditioning equipment is usually installed on a high-speed rail, the air conditioning equipment needs to exhaust and ventilate in a carriage through ventilation equipment to ensure fresh air in the carriage, a high-speed rail train can cause great fluctuation of air pressure when passing through a tunnel or meeting, the high-speed rail speed quickly causes great pressure change, pressure waves enter the carriage through a ventilation opening in the high-speed rail, so that auditory organs of passengers feel uncomfortable, and therefore the pressure wave protection device needs to be applied.
The patent of the applicant's prior application of chinese utility model with patent publication number CN207902436U discloses a high-speed railway pressure wave protection device, including air door base plate 71, be provided with wind gap 72 on the air door base plate 71, wind gap 72 edge all around is provided with joint strip 73, the both sides of symmetry all are provided with the stand on the air door base plate 71, the top of air door base plate 71 is provided with air door adjustable fender 75, air door adjustable fender slides from top to bottom and sets up on stand 74, air door adjustable fender is connected with the power device that drives its and reciprocate, air door adjustable fender falls on joint strip and blocks the wind gap just after the lapse, power device passes through the controller and is connected with pressure wave sensor. The power device comprises an air cylinder 76 arranged above the movable damper of the air door, and the air cylinder 76 is connected with an air pump through a reversing valve 77. The power device acts to drive the movable baffle of the air door to move downwards to block the air port, and pressure waves are prevented from entering the carriage through the air port to cause discomfort to passengers. Therefore, the airtight condition between the damper flapper 75 and the bead 73 affects the condition of the pressure wave entering the vehicle compartment. If the airtightness between the air door movable baffle 75 and the sealing rubber strip 73 is good, pressure waves cannot enter the carriage, and further the auditory organs of passengers cannot be affected; if the airtightness between the damper flapper 75 and the bead strip 73 is not good, a pressure wave enters the vehicle compartment, and affects the auditory organs of the passenger, causing the auditory organs of the passenger to feel uncomfortable. Therefore, the airtightness of the pressure wave protector needs to be checked after the pressure wave protector is manufactured.
The frock that detects is not carried out to pressure wave protection device's gas tightness in the existing market, in order to detect the sealed effect when air door adjustable fender contacts with joint strip, need research and development a frock that is used for pressure wave protection device gas tightness to detect specially.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a pressure ripples check out test set for protection device to solve and not carry out the problem of the frock that detects to pressure ripples protection device's gas tightness in the existing market, detect with the realization to pressure ripples protection device's gas tightness.
In order to solve the technical problem, the utility model adopts the following technical proposal.
The detection equipment for the pressure wave protection device comprises an air box which is in a hollow rectangular box shape and is provided with an opening at the top end, and a cover plate which is arranged at the top end of the air box in a clamping and sealing manner through a clamping device and is used for positioning an air door substrate of the pressure wave protection device, wherein a rectangular opening which is respectively communicated with an air port on the air door substrate and the inside of the air box is formed in the cover plate, and the cover plate is connected with the air door substrate in a sealing; one side wall of the air box is communicated with a ventilating device used for conveying gas to the interior of the air box, and one side wall of the air box is also communicated with a pressure detection device used for detecting the internal pressure of the air box when an air door movable baffle of the pressure wave protection device plugs an air port so as to detect the air tightness of the pressure wave protection device; the side of the bellows is also provided with a controller, and the controlled ends of the ventilation device and the pressure wave protection device are respectively connected with the output end of the controller.
According to the technical scheme, the ventilation device comprises an air pump and a first air pipe, one end of the first air pipe is communicated with the air pump, the other end of the first air pipe is communicated with the air box, a first electromagnetic valve used for controlling the first air pipe to be connected and disconnected is arranged on the first air pipe, and the controlled ends of the air pump and the first electromagnetic valve are respectively connected to the output end of the controller.
According to the technical scheme, the air pump is further communicated with a reversing valve in the pressure wave protection device through a second air conveying pipe, and a second electromagnetic valve used for controlling the second air conveying pipe to be switched on and off is arranged on the second air conveying pipe.
According to the technical scheme, the pressure detection device comprises an air duct communicated with the side wall of the air bellow and a pressure gauge connected with the top end of the air duct and used for detecting the internal pressure condition of the air bellow, and a switch valve is arranged on the air duct.
Further optimize technical scheme, be provided with seal structure between bellows and the apron.
Further optimize technical scheme, it has the connecting screw bolt and fixes a position through butterfly nut to wear to penetrate in proper order between apron and pressure wave protection device's the air door base plate.
According to the technical scheme, the controller is arranged in the operation box, the power module is further arranged in the operation box, the operation box is provided with an operation button and an indication lamp, the output end of the operation button is connected to the input end of the controller, and the controlled end of the indication lamp is connected to the output end of the controller.
According to the technical scheme, the clamping device comprises a first clamping device used for clamping the left side and the right side of the top end of the cover plate and a second clamping device linearly arranged on the top end face of the bellows at intervals and used for clamping the edge of the cover plate.
According to the technical scheme, the first clamping device comprises a fixing folded plate, a positioning stud and a hand-operated rod, wherein one end of the fixing folded plate is fixedly arranged on the side wall of the air box and is bent, the positioning stud is assembled with the fixing folded plate in a threaded mode, the hand-operated rod is fixedly arranged on the side wall of the top end of the positioning stud and is used for enabling a hand to rotate the positioning stud so as to achieve vertical movement of the positioning stud, and a first positioning bottom plate is fixedly arranged at the bottom end of.
According to the technical scheme, the second clamping device comprises a positioning shell fixedly arranged on the top end face of the air box and a rotatable plate hinged to the positioning shell, the rotatable plate extending out of the positioning shell is bent into an annular structure, the upper end and the lower end of the annular structure are respectively provided with a second positioning screw rod in a positioning mode through a locking piece, and the bottom end of the second positioning screw rod is fixedly connected with a second positioning plate used for compressing the cover plate; but fixedly connected with a pair of connecting plate on the lateral wall of rotatable plate, two connecting plates fixedly connected with a pair of operating handle connecting plate, the bottom of two operating handle connecting plates is articulated mutually with the location casing respectively, the top fixedly connected with operating handle of two operating handle connecting plates.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains as follows.
When the air door movable baffle of the pressure wave protection device is closed, the ventilation device is used for inflating the air box, when the air is introduced to a certain pressure, the air tightness of the pressure wave protection device is judged by observing the pressure drop condition of the pressure detection device, and the detection is very convenient; the air door base plate of the air box and the cover plate and the pressure wave protection device are connected in a sealing mode, and the detection precision of the device is further guaranteed.
The utility model discloses the air pump is still linked together through the switching-over valve in second gas-supply pipe and the pressure ripples protection device, is provided with the second solenoid valve on the second gas-supply pipe, and then has realized that the air pump can aerify in the cylinder among the pressure ripples protection device, can realize detecting the gas tightness of cylinder gas circuit.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of another perspective structure of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the damper base plate of the pressure wave protector according to the present invention when closed;
fig. 5 is a schematic structural view of a second clamping device according to the present invention;
fig. 6 is a schematic structural diagram of the cover plate of the present invention.
Wherein: 1. an air box; 2. a cover plate 21, a sealing strip 22 and a rectangular opening; 3. the clamping device comprises a clamping device 31, a first clamping device 311, a fixed folded plate 312, a positioning stud 313, a hand lever 314, a first positioning bottom plate 32, a second clamping device 321, a positioning shell 322, a rotatable plate 323, a locking piece 324, a second positioning plate 325, a second positioning screw 326, a connecting plate 327, an operating handle 328 and an operating handle connecting plate; 4. the pressure detection device 41, the vent pipe 42, the switch valve 43 and the pressure gauge; 5. the air supply device comprises an air breather 51, an air pump 52, a first air pipe 53, a first electromagnetic valve 54, a second electromagnetic valve 55 and a second air pipe; 6. an operation box 61, an operation button 62 and an indicator light; 7. the air door comprises a pressure wave protection device 71, an air door base plate 72, an air opening 73, a sealing rubber strip 74, an upright post 75, an air door movable baffle 76, an air cylinder 77 and a reversing valve; 8. connecting stud 81 and butterfly nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A detection device for a pressure wave protection device is shown in combination with fig. 1 to 6 and comprises a bellows 1, a clamp 3, a cover plate 2, a ventilation device 5, a pressure detection device 4 and a controller.
The controller is arranged beside the air box 1, and the controlled ends of the ventilating device 5 and the pressure wave protection device 7 are respectively connected with the output end of the controller. The controlled end of the directional valve 77 in the pressure wave protection device 7 is connected to the output of the controller. The utility model provides a controller is the singlechip, specifically adopts 51 singlechips.
The controller is arranged in the operation box 6, a power supply module is further arranged in the operation box 6, and one end of the power supply module is connected with a power supply end of the to-be-tested pressure wave protection device through a power line. The operation box 6 is provided with an operation button 61 and an indicator lamp 62, the output end of the operation button 61 is connected with the input end of the controller, and the controlled end of the indicator lamp 62 is connected with the output end of the controller.
The wind box 1 is in a rectangular box shape, the top end of the wind box is open, and the interior of the wind box 1 is hollow.
The cover plate 2 is arranged at the top end of the air box 1 in a clamping and sealing mode through the clamp 3 and used for positioning the pressure wave protection device 7, and the air door base plate 71 and the cover plate 2 of the pressure wave protection device 7 are sequentially penetrated with the connecting studs 8 and are positioned through the butterfly nuts 81.
Be provided with seal structure between bellows 1 and the apron 2, seal structure has effectively guaranteed the gas tightness between bellows 1 and the apron 2 including setting up the uncovered and apron 2 sealing strip in the top of bellows 1.
The cover plate 2 is provided with a rectangular opening 22 which is respectively communicated with the air opening 72 on the air door base plate 71 and the interior of the air box 1. The cover plate 2 is connected with the air door base plate 71 in a sealing way, and the edge of the rectangular opening 22 is embedded with a sealing strip 21. Thereby achieving good sealing effect and ensuring the air tightness between the cover plate 2 and the damper base plate 71.
And a ventilating device 5 for conveying gas to the interior of the wind box 1 is communicated with one side wall of the wind box 1. The ventilation device 5 comprises an air pump 51 and a first air pipe 52, one end of the first air pipe 52 is communicated with the air pump 51, the other end of the first air pipe 52 is communicated with the air box 1, a first electromagnetic valve 53 is arranged on the first air pipe 52, the first electromagnetic valve 53 is used for controlling the first air pipe 52 to be switched on and switched off, and the controlled ends of the air pump 51 and the first electromagnetic valve 53 are respectively connected to the output end of the controller. The air pump 51 is used for inflating the first air delivery pipe 52, so that air is delivered to the inside of the air box 1 for pressure detection.
The air pump 51 is also communicated with a reversing valve 77 in the pressure wave protection device 7 through a second air pipe 55, and a second electromagnetic valve 54 for controlling the on-off of the second air pipe 55 is arranged on the second air pipe 55. And at the same time, the tightness of the cylinder 76 in the pressure wave protection device 7 can be detected.
A pressure detection device 4 is further communicated with one side wall of the air box 1, and the pressure detection device 4 is used for detecting the internal pressure of the air box 1 when the air door movable baffle 75 of the pressure wave protection device 7 blocks the air opening 72 so as to detect the air tightness of the pressure wave protection device 7.
The pressure detection device 4 comprises an air duct 41 communicated with the side wall of the air box 1 and a pressure gauge 43 connected with the top end of the air duct 41, the pressure gauge 43 is used for detecting the internal pressure condition of the air box 1, and the air duct 41 is provided with a switch valve 42. The pressure condition inside the bellows 1 can be visually observed through the detection data of the pressure gauge 43.
The gripper 3 includes a first gripper 31 and a second gripper 32. The first clampers 31 are used to clamp the left and right sides of the top end of the cover plate 2. Second grippers 32 are linearly spaced on the top end face of the bellows 1 for gripping the edge of the cover plate 2.
The first clampers 31 are provided in two, respectively on the left and right sides of the bellows 1.
The first gripper 31 comprises a fixing flap 311, a positioning stud 312, a hand lever 313 and a first positioning base 314. One end of the fixed folding plate 311 is fixedly arranged on the side wall of the air box 1 and is bent. The positioning studs 312 are threadedly engaged with the securing flaps 311. The hand lever 313 is horizontally and fixedly arranged on the side wall of the top end of the positioning stud 312 and used for rotating the positioning stud 312 by a hand so as to realize the up-and-down movement of the positioning stud 312. The bottom end of the positioning stud 312 is fixedly provided with a first positioning bottom plate 314.
The second clamper 32 includes a positioning housing 321, a rotatable plate 322, a second positioning screw 325, a locking member 323, a second positioning plate 324, a connecting plate 326, an operating handle connecting plate 328, and an operating handle 327. The positioning housing 321 is fixedly provided on the top end face of the air box 1. The rotatable plate 322 is hinged to the positioning housing 321, and the rotatable plate 322 extending out of the positioning housing 321 is bent into a ring-shaped structure. The upper end and the lower end of the annular structure are respectively provided with a second positioning screw 325 through a locking piece 323 in a positioning way, and the locking piece 323 is a locking nut assembled with the second positioning screw 325. The bottom end of the second positioning screw 325 is fixedly connected with a second positioning plate 324 for compressing the cover plate 2. The outer side wall of the rotatable plate 322 is fixedly connected with a pair of connecting plates 326, the two connecting plates 326 are fixedly connected with a pair of operating handle connecting plates 328, the bottom ends of the two operating handle connecting plates 328 are respectively hinged with the positioning shell 321, the top ends of the two operating handle connecting plates 328 are fixedly connected with operating handles 327, and then the annular structure, the second positioning screw 325 and the second positioning plate 324 can be driven to rotate synchronously when the operating handles 327 are rotated.
The utility model discloses before detecting, need install the pressure wave protection device that awaits measuring and fix a position this device on, specific installation as follows.
The cover plate 2 is placed on top of the bellows 1, and the operating handle 327 of each second gripper 32 is sequentially rotated so that the second positioning plate 324 of the second gripper 32 is pressed above the cover plate 2. The hand lever 313 in the first clamping device 31 is rotated by a hand, so that the positioning stud 312 drives the first positioning bottom plate 314 to move downwards, and the first positioning bottom plate 314 is pressed to the upper side of the cover plate 2. Because the sealing strip is arranged between the top opening of the air box 1 and the cover plate 2, the air tightness between the air box 1 and the cover plate 2 can be ensured.
The damper base plate 71 in the pressure wave protection device 7 to be tested is placed on top of the cover plate 2 such that the rectangular opening 22 in the cover plate 2 is aligned with the air opening 72 in the damper base plate 71. The connecting studs 8 sequentially penetrate through the damper base plate 71 and the cover plate 2 and are screwed on the connecting studs 8 through butterfly nuts 81, so that the damper base plate 71 and the cover plate 2 are fastened. The cover plate 2 is connected with the air door base plate 71 in a sealing mode, and the sealing strips are embedded at the edge of the rectangular opening 22, so that a good sealing effect is achieved, and the air tightness between the cover plate 2 and the air door base plate 71 is guaranteed.
The utility model discloses to pressure wave protection device's testing process as follows.
The operation button is pressed, the controller controls the air pump 51 and the second electromagnetic valve 54 on the second air pipe 55 to act, and further controls the air cylinder 76 to act, and whether the opening and closing of the air door movable baffle 75 are stable or not is detected. If the movement of the damper movable baffle 75 is not stable, it is proved that the air path of the cylinder has air leakage and needs to be overhauled.
The air cylinder 76 drives the damper flapper 75 to move downward, and the damper flapper 75 compresses the sealing rubber strip 73, so that the damper flapper 75 is closed. When another operation button is pressed, the controller controls the first electromagnetic valve 53 on the first air pipe 52 to open, so that the air pump 51 delivers air into the air box 1. When a certain pressure value is filled, standing is carried out for four minutes, the pressure drop of the pressure gauge 43 is observed, and then the air tightness of the pressure wave protection device is judged.
Claims (10)
1. Check out test set for pressure wave protection device which characterized in that: the air pressure wave protection device comprises an air box (1) which is in a hollow rectangular box shape and is provided with an opening at the top end, and a cover plate (2) which is arranged at the top end of the air box (1) in a clamping and sealing manner through a clamping device (3) and is used for positioning an air door base plate (71) of the pressure wave protection device (7), wherein a rectangular opening (22) which is respectively communicated with an air opening (72) on the air door base plate (71) and the inside of the air box (1) is formed in the cover plate (2), and the cover plate (2) is connected with the air door base plate; a ventilation device (5) used for conveying gas to the interior of the air box (1) is communicated and arranged on one side wall of the air box (1), and a pressure detection device (4) used for detecting the internal pressure of the air box (1) when an air door movable baffle (75) of the pressure wave protection device (7) seals an air port (72) so as to detect the air tightness of the pressure wave protection device (7) is also communicated and arranged on one side wall of the air box (1); the side of the air box (1) is also provided with a controller, and the controlled ends of the ventilation device (5) and the pressure wave protection device (7) are respectively connected to the output end of the controller.
2. The detection apparatus for a pressure wave protector according to claim 1, characterized in that: the ventilation device (5) comprises an air pump (51) and a first air pipe (52) with one end communicated with the air pump (51) and the other end communicated with the air box (1), a first electromagnetic valve (53) used for controlling the first air pipe (52) to be switched on and off is arranged on the first air pipe (52), and the controlled ends of the air pump (51) and the first electromagnetic valve (53) are respectively connected to the output end of the controller.
3. The detection apparatus for a pressure wave protector according to claim 2, characterized in that: the air pump (51) is also communicated with a reversing valve (77) in the pressure wave protection device (7) through a second air conveying pipe (55), and a second electromagnetic valve (54) used for controlling the on-off of the second air conveying pipe (55) is arranged on the second air conveying pipe (55).
4. The detection apparatus for a pressure wave protector according to claim 1, characterized in that: the pressure detection device (4) comprises an air duct (41) which is communicated with the side wall of the air box (1) and a pressure gauge (43) which is connected and arranged at the top end of the air duct (41) and used for detecting the internal pressure condition of the air box (1), and a switch valve (42) is arranged on the air duct (41).
5. The detection apparatus for a pressure wave protector according to claim 1, characterized in that: and a sealing structure is arranged between the air box (1) and the cover plate (2).
6. The detection apparatus for a pressure wave protector according to claim 1, characterized in that: and connecting studs (8) are sequentially penetrated between the cover plate (2) and the air door base plate (71) of the pressure wave protection device (7) and are positioned through butterfly nuts (81).
7. The detection apparatus for a pressure wave protector according to claim 1, characterized in that: the controller is arranged in the operation box (6), the power module is further arranged in the operation box (6), the operation button (61) and the indicating lamp (62) are arranged on the operation box (6), the output end of the operation button (61) is connected to the input end of the controller, and the controlled end of the indicating lamp (62) is connected to the output end of the controller.
8. The detection apparatus for a pressure wave protector according to claim 1, characterized in that: the clamping device (3) comprises a first clamping device (31) for clamping the left side and the right side of the top end of the cover plate (2) and a second clamping device (32) which is linearly arranged on the top end face of the air box (1) at intervals and used for clamping the edge of the cover plate (2).
9. The detection apparatus for a pressure wave protector according to claim 8, characterized in that: the first clamping device (31) comprises a fixing folded plate (311) with one end fixedly arranged on the side wall of the air box (1) and bent, a positioning stud (312) in threaded fit with the fixing folded plate (311), and a hand lever (313) fixedly arranged on the side wall of the top end of the positioning stud (312) and used for enabling a human hand to rotate the positioning stud (312) to move up and down so as to achieve the purpose that the positioning stud (312) moves up and down, wherein a first positioning bottom plate (314) is fixedly arranged at the bottom end of the positioning stud (312).
10. The detection apparatus for a pressure wave protector according to claim 8, characterized in that: the second clamping device (32) comprises a positioning shell (321) fixedly arranged on the top end face of the air box (1) and a rotatable plate (322) hinged to the positioning shell (321), the rotatable plate (322) extending out of the positioning shell (321) is bent into an annular structure, the upper end and the lower end of the annular structure are respectively provided with a second positioning screw rod (325) in a positioning mode through a locking piece (323), and the bottom end of the second positioning screw rod (325) is fixedly connected with a second positioning plate (324) used for compressing the cover plate (2); the outer side wall of the rotatable plate (322) is fixedly connected with a pair of connecting plates (326), the two connecting plates (326) are fixedly connected with a pair of operating handle connecting plates (328), the bottom ends of the two operating handle connecting plates (328) are respectively hinged with the positioning shell (321), and the top ends of the two operating handle connecting plates (328) are fixedly connected with operating handles (327).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718901.1U CN212585938U (en) | 2020-08-18 | 2020-08-18 | Detection equipment for pressure wave protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718901.1U CN212585938U (en) | 2020-08-18 | 2020-08-18 | Detection equipment for pressure wave protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212585938U true CN212585938U (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021718901.1U Active CN212585938U (en) | 2020-08-18 | 2020-08-18 | Detection equipment for pressure wave protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212585938U (en) |
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2020
- 2020-08-18 CN CN202021718901.1U patent/CN212585938U/en active Active
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