CN111562068A - Pressure alternation test structure - Google Patents
Pressure alternation test structure Download PDFInfo
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- CN111562068A CN111562068A CN202010257320.0A CN202010257320A CN111562068A CN 111562068 A CN111562068 A CN 111562068A CN 202010257320 A CN202010257320 A CN 202010257320A CN 111562068 A CN111562068 A CN 111562068A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
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Abstract
The invention discloses a pressure alternation test structure, which comprises a support frame fixedly arranged on equipment, one end of the supporting frame is fixedly connected with a telescopic cylinder, the other end of the supporting frame is fixedly connected with a telescopic oil cylinder, the pressure alternation test structure, through the telescopic cylinder and the telescopic oil cylinder which are arranged on the supporting frame, the telescopic cylinder is pushed by an air source, the medium in the other end of the telescopic oil cylinder is compressed through the movable joint to achieve the purpose of pressure change, the medium in the telescopic oil cylinder is continuously extruded by the telescopic cylinder in a telescopic way to achieve the effect of the pressure change on the valve seat of the cylinder cover, and meanwhile, the support fixing device arranged on the support frame is combined, thereby realize carrying out the fixed effect of stable support when detecting the cylinder cap valve seat, need not the manual work and carry out auxiliary stay, the accuracy that further improvement cylinder cap valve seat gas tightness detected, simultaneously effectual using manpower sparingly.
Description
Technical Field
The invention relates to the technical field of test structure tools, in particular to a pressure alternation test structure.
Background
At present, when current leakproofness to engine cylinder lid valve test, mainly for detecting the gas tightness of hard seal between cylinder lid valve seat and the valve, according to market research, current test mode is flow measurement position, and it is inconvenient to have a test, needs the manual work to fix cylinder lid valve seat during the test simultaneously, often appears the cylinder lid valve seat unstable when the test to lead to the low scheduling problem of measuring accuracy. To this end, we propose a pressure alternating test structure.
Disclosure of Invention
The present invention is directed to a pressure alternation test structure, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pressure alternation test structure, includes the support frame of fixed mounting on equipment, one end fixedly connected with telescopic cylinder on the support frame, and support frame other end fixedly connected with telescopic cylinder, telescopic cylinder and telescopic cylinder's output all with support frame sliding connection, and telescopic cylinder and the equal fixedly connected with swing joint of telescopic cylinder output, the support frame just is located and is equipped with the support fixing device who detects time measuring to engine cylinder lid valve seat gas tightness between telescopic cylinder and the telescopic cylinder, through telescopic cylinder and the telescopic cylinder who is equipped with to play and carry out the effect of stable detection to cylinder lid valve seat gas tightness.
Preferably, support fixing device including setting up two support tracks in the support frame both sides, and equal sliding connection has the movable plate on two support tracks, movable plate bottom end fixedly connected with rolling member, and rolling member and support track sliding connection, one side that the support frame was kept away from to the movable plate is equipped with the setting element, the support track outside is equipped with the recess, and the inside rotation of recess is connected with the rotation lead screw, and two one end fixedly connected with driving pieces that rotate the lead screw and be located the support track outside, movable plate top end fixedly connected with flexible holder through the support fixing device who is equipped with to play carries out the stabilizing support's effect to the cylinder cap valve seat.
Preferably, the rolling parts comprise two fixed plates fixedly connected to the bottom end of the moving plate, two supporting shafts are fixedly connected between the fixed plates, two moving grooves are formed in the supporting tracks, the supporting shafts penetrate through the moving grooves, the rollers are sleeved on the outer sides of the supporting shafts in a rotating mode through bearings, the rollers are connected with the supporting tracks in a sliding mode, and the rolling parts are arranged to play a role in stably supporting the moving plate.
Preferably, the setting element includes the connecting block of fixed connection in the movable plate outside, one side that the movable plate was kept away from to the connecting block is equipped with the fixed slot, and the inside fixedly connected with infrared light receiver of fixed slot, the connecting block outside is equipped with the locating piece, and one side that the locating piece is close to the connecting block is equipped with infrared light emitter, one side that infrared light emitter was kept away from to the locating piece is equipped with the connecting rod, and the connecting rod bottom is equipped with flexible moving member, flexible moving member rotates with the rotation lead screw to be connected, through the setting element that is equipped with to play and carry out.
Preferably, flexible moving member cup joints the removal cover in the rotation lead screw outside including rotating, remove cover and recess sliding connection, remove the first electric putter of one side fixedly connected with that the cover is located the recess outside, and first electric putter output and connecting rod fixed connection, through the flexible moving member that is equipped with to play the effect of carrying out flexible removal to infrared emitter.
Preferably, the driving piece is including fixed two driven gears that cup joint two rotation lead screws and be located support track outside one end respectively, and the transmission is connected with the gear chain between two driven gears, the transmission is connected with the driving gear in the middle of the gear chain, and the gear chain outside rotates and is connected with the spacing round of a plurality of, spacing round of inside rotation has cup jointed the connecting axle, and connecting axle and support frame fixed connection, the inside fixed cover of driving gear has connect the axis of rotation, the one end of axis of rotation is passed through the bearing and is connected with the support frame rotation, and axis of rotation other end fixedly connected with driving motor, driving motor passes through mount and support frame fixed connection, through the driving piece that is equipped with to play and rotate the lead screw and go driven.
Preferably, flexible holder includes and rotates the thread bush of connection on the movable plate through the bearing frame, the thread bush outside is fixed to be cup jointed and is rotated the piece, and rotates a piece fixed connection on the movable plate, thread bush internal portion rotates and is connected with the threaded rod, be equipped with two spacing grooves on the threaded rod, and sliding connection has two gag lever posts on two spacing grooves, gag lever post and movable plate fixed connection, threaded rod top fixedly connected with bottom plate, fixedly connected with second electric putter on the bottom plate, and second electric putter output end fixedly connected with presss from both sides tight shell, be equipped with the clamping piece on pressing from both sides tight shell, through the flexible holder that is equipped with to play and press from both sides tight fixed effect to the cylinder cap valve seat.
Preferably, rotate the piece including fixed cover at the bull gear in the threaded bush bottom outside, the meshing of bull gear outside is connected with rotating gear, the rotating gear bottom is through shaft coupling fixedly connected with rotation motor, rotation motor fixed connection is on the movable plate, through the rotation piece that is equipped with to play and carry out driven effect to the threaded bush.
Preferably, the clamping piece is including setting up the removal mouth in pressing from both sides tight shell one side, the inside rotation of removal mouth is connected with the two-way drive lead screw, and the two-way drive lead screw is located the one end fixedly connected with rotating electrical machines who presss from both sides tight shell top outside, two adapter sleeves have been cup jointed, two to rotate on the two-way drive lead screw the adapter sleeve all with press from both sides tight shell sliding connection, fixedly connected with locating lever on the adapter sleeve, and the locating lever keeps away from the tight piece of one end fixedly connected with clamp of adapter sleeve, through the clamping piece that is equipped with to can press from both sides tight fixed effect to the cylinder.
Compared with the prior art, the invention has the beneficial effects that:
when the device is used, the telescopic cylinder and the telescopic oil cylinder are arranged on the support frame, the telescopic cylinder is pushed by an air source, the medium in the other end of the telescopic oil cylinder is compressed through the movable joint to achieve the purpose of pressure change, the medium in the telescopic oil cylinder is continuously stretched and extruded by the telescopic cylinder to achieve the effect of testing the pressure change on the cylinder cover valve seat, and meanwhile, the device is combined with the support fixing device arranged on the support frame, so that the effect of stable support and fixation during the detection of the cylinder cover valve seat is realized, manual auxiliary support is not needed, the accuracy of the cylinder cover valve seat air tightness detection is further improved, and meanwhile, the labor is effectively saved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of the telescopic cylinder of the present invention;
FIG. 4 is a side cross-sectional view of the support rail of the present invention;
FIG. 5 is a side view of a partial block diagram of the support rail of the present invention;
FIG. 6 is an enlarged view of area A of FIG. 2 in accordance with the present invention;
FIG. 7 is an enlarged view of area B of FIG. 2 in accordance with the present invention;
FIG. 8 is an enlarged view of area C of FIG. 2 in accordance with the present invention;
FIG. 9 is an enlarged view of area D of FIG. 4 in accordance with the present invention;
FIG. 10 is an enlarged view of area E of FIG. 5 in accordance with the present invention;
FIG. 11 is an enlarged view of area F of FIG. 5 in accordance with the present invention;
FIG. 12 is an enlarged view of the area G in FIG. 5 according to the present invention.
In the figure: 1-a support frame; 2, a telescopic cylinder; 3, a telescopic oil cylinder; 4-a movable joint; 5-supporting the fixing device; 6-a support rail; 7-moving the plate; 8-rolling elements; 9-a positioning member; 10-a groove; 11-rotating the screw rod; 12-a drive member; 13-a telescopic clamp; 14-a fixed plate; 15-supporting the shaft; 16-a moving slot; 17-a roller; 18-a fixed groove; 19-an infrared light receiver; 20-connecting blocks; 21-positioning blocks; 22-an infrared light emitter; 23-a connecting rod; 24-a telescoping ram; 25-moving the sleeve; 26-a first electric push rod; 27-a driven gear; 28-gear train; 29-a drive gear; 30-a limiting wheel; 31-a connecting shaft; 32-a rotating shaft; 33-a drive motor; 34-a threaded sleeve; 35-a rotating member; 36-a threaded rod; 37-a limiting groove; 38-a stop lever; 39-a base plate; 40-a second electric push rod; 41-clamping shell; 42-a rotating gear; 43-a rotating gear; 44-a rotating electric machine; 45-moving port; 46-a clamping member; 47-bidirectional driving screw rod; 48-a rotating electrical machine; 49-connecting sleeves; 50-a positioning rod; 51-clamping block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-12, the present invention provides a technical solution: a pressure alternation test structure comprises a support frame 1 fixedly installed on equipment, the support frame 1 is U-shaped, one end of the support frame 1 is fixedly connected with a telescopic cylinder 2, the other end of the support frame 1 is fixedly connected with a telescopic oil cylinder 3, the output ends of the telescopic cylinder 2 and the telescopic oil cylinder 3 are both in sliding connection with the support frame 1, the output ends of the telescopic cylinder 2 and the telescopic oil cylinder 3 are both fixedly connected with movable joints 4, and simultaneously, the two movable joints 4 can be connected with a fixed plate 14 used for detecting the air tightness of a cylinder cover valve seat, thereby playing a role of stably pushing the cylinder cover valve seat and further protecting and detecting the cylinder cover valve seat, and in the detection process, the cylinder cover valve seat is positioned between the telescopic cylinder 2 and the telescopic oil cylinder 3, the telescopic cylinder 2 is pushed to enable the cylinder cover valve seat to move along the direction of the telescopic oil cylinder 3, meanwhile, the inside of the telescopic oil cylinder 3 is filled with media, when the output end of the telescopic oil cylinder 3 is pushed by the telescopic cylinder 2, the media inside the telescopic oil cylinder 3 overflows from a pipeline, and the air tightness of the valve seat of the cylinder cover is rapidly detected according to the quantity of the overflowing media;
the supporting and fixing device 5 for detecting the airtightness of the valve seat of the engine cylinder cover is arranged between the supporting frame 1 and the telescopic cylinder 2 and 3, the supporting and fixing device 5 comprises two supporting tracks 6 arranged on two sides of the supporting frame 1, the two supporting tracks 6 are both connected with a moving plate 7 in a sliding manner, the top end of the moving plate 7 is fixedly connected with a telescopic clamping piece 13, the telescopic clamping piece 13 comprises a thread sleeve 34 which is rotatably connected onto the moving plate 7 through a bearing seat, a rotating piece 35 is fixedly sleeved on the outer side of the thread sleeve 34 and is fixedly connected onto the moving plate 7, the rotating piece 35 comprises a rotating gear 42 which is fixedly sleeved on the outer side of the bottom end of the thread sleeve 34, the outer side of the rotating gear 42 is engaged and connected with a rotating gear 43, the bottom end of the rotating gear 43 is fixedly connected with a rotating motor 44 through a coupler, and, a threaded rod 36 is rotatably connected inside the threaded sleeve 34, two limit grooves 37 are arranged on the threaded rod 36, and two limit rods 38 are slidably connected with the two limit grooves 37, the limit rods 38 are fixedly connected with the moving plate 7, the top end of the threaded rod 36 is fixedly connected with a bottom plate 39, when the air tightness of the cylinder cover valve seat is detected, firstly, the relative heights of the two threaded rods 36 on the two moving plates 7 are respectively adjusted according to the height of the cylinder cover valve seat which is clamped as required, i.e., the rotation motor 44 is operated, so that the rotation gear 43 rotates the rotation gear 42, further rotating the threaded sleeve 34 on the bearing seat, and provides a driving force for the threaded rod 36 therein while rotating, and the threaded rod 36 is driven by the limit of the two limit rods 38, and then vertically moves up and down along the threaded sleeve 34, thereby realizing the function of adjusting the height of the clamping shell 41;
the bottom plate 39 is fixedly connected with a second electric push rod 40, the output end of the second electric push rod 40 is fixedly connected with a clamping shell 41, a clamping piece 46 is arranged on the clamping shell 41, the clamping piece 46 comprises a moving port 45 arranged on one side of the clamping shell 41, the moving port 45 is internally and rotatably connected with a bidirectional driving screw rod 47, one end of the bidirectional driving screw rod 47, which is positioned on the outer side of the top of the clamping shell 41, is fixedly connected with a rotating motor 48, the bidirectional driving screw rod 47 is rotatably sleeved with two connecting sleeves 49, the two connecting sleeves 49 are both in sliding connection with the clamping shell 41, the connecting sleeves 49 are fixedly connected with positioning rods 50, one end of the positioning rod 50, which is far away from the connecting sleeves 49, is fixedly connected with a clamping block 51, when the cylinder cover valve seat is clamped and fastened, the two second electric push rods 40 operate, so that the clamping, the rotary motors 48 on the two clamping shells 41 operate to enable the bidirectional driving screw rod 47 inside the clamping shell 41 to rotate, namely, the bidirectional driving screw rod 47 is composed of two threads in opposite directions, so that two driving forces in opposite directions of two connecting sleeves 49 on the bidirectional driving screw rod are provided, and the two connecting sleeves 49 respectively move on the clamping shell 41 under the limiting effect of the clamping shell 41, so that the two clamping blocks 51 clamp and fix the cylinder cover valve seat;
the bottom end of the movable plate 7 is fixedly connected with a rolling part 8, the rolling part 8 is connected with the supporting track 6 in a sliding manner, the rolling part 8 comprises two fixing plates 14 fixedly connected with the bottom end of the movable plate 7, a supporting shaft 15 is fixedly connected between the two fixing plates 14, two moving grooves 16 are formed in the supporting track 6, the supporting shaft 15 penetrates through the moving grooves 16, a roller 17 is rotatably sleeved on the outer side of the supporting shaft 15 through a bearing, the roller 17 is connected with the supporting track 6 in a sliding manner, when the telescopic cylinder 2 pushes the cylinder cover valve seat, the movable plate 7 synchronously moves along the supporting track 6 through the roller 17, meanwhile, the friction force in the supporting track 6 is small, so that only the supporting force on the cylinder cover valve seat is exerted in the pushing process of the telescopic cylinder 2, and the friction force generated when the movable plate 7 moves is further reduced under the rotating action of the roller 17, the action of stably moving the moving plate 7;
one side of the moving plate 7, which is far away from the support frame 1, is provided with a positioning part 9, the outer side of the support track 6 is provided with a groove 10, the inner part of the groove 10 is rotatably connected with a rotary screw rod 11, one end of the two rotary screw rods 11, which is positioned at the outer side of the support track 6, is fixedly connected with a driving part 12, the driving part 12 comprises two driven gears 27 respectively fixedly sleeved at one ends of the two rotary screw rods 11, which are positioned at the outer side of the support track 6, a gear chain 28 is connected between the two driven gears 27 in a transmission manner, the middle of the gear chain 28 is connected with a driving gear 29 in a transmission manner, the outer side of the gear chain 28 is rotatably connected with a plurality of limiting wheels 30, the inner part of the limiting wheels 30 is rotatably sleeved with a connecting shaft 31, the connecting shaft 31 is, the other end of the rotating shaft 32 is fixedly connected with a driving motor 33, the driving motor 33 is fixedly connected with the support frame 1 through a fixing frame, when the air tightness detection of the cylinder cover valve seat is completed, the driving motor 33 is firstly driven to operate, the driving gear 29 is rotated, and then the gear chain 28 synchronously drives the two driven gears 27 to synchronously rotate, so that the two rotating screw rods 11 respectively perform the synchronous rotation effect in the grooves 10, and further two moving sleeves 25 are provided with synchronous driving force;
the positioning part 9 comprises a connecting block 20 fixedly connected to the outer side of the moving plate 7, a fixing groove 18 is formed in one side, away from the moving plate 7, of the connecting block 20, an infrared light receiver 19 is fixedly connected to the inner portion of the fixing groove 18, a positioning block 21 is arranged on the outer side of the connecting block 20, an infrared light emitter 22 is arranged on one side, close to the connecting block 20, of the positioning block 21, a connecting rod 23 is arranged on one side, away from the infrared light emitter 22, of the positioning block 21, the infrared light emitter emits signals when the moving sleeve 25 moves, and when the moving sleeve moves to the position of the fixing groove 18, the infrared light;
and connecting rod 23 bottom is equipped with flexible moving member 24, flexible moving member 24 rotates with rotation lead screw 11 to be connected, flexible moving member 24 cup joints the removal cover 25 in the rotation lead screw 11 outside including rotating, remove cover 25 and recess 10 sliding connection, remove one side fixedly connected with first electric putter 26 that cover 25 is located the recess 10 outside, and first electric putter 26 output and connecting rod 23 fixed connection, two first electric putter 26 shrink simultaneously this moment, make locating piece 21 remove to fixed slot 18 inside, realize carrying out the effect that stimulates to movable plate 7, driving motor 33 moves according to control program afterwards to make the gas tightness detect the effect that back cylinder cap valve seat breaks away from on the flexible hydro-cylinder 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a pressure alternation test structure, includes support frame (1) of fixed mounting on equipment, its characterized in that: one end fixedly connected with telescopic cylinder (2) on support frame (1), and support frame (1) other end fixedly connected with telescopic cylinder (3), telescopic cylinder (2) and telescopic cylinder's (3) output all with support frame (1) sliding connection, and telescopic cylinder (2) and telescopic cylinder's (3) output all fixedly connected with swing joint (4), support frame (1) just is located and is equipped with support fixing device (5) when detecting engine cylinder lid valve seat gas tightness between telescopic cylinder (2) and telescopic cylinder (3).
2. A pressure swing test structure as claimed in claim 1, wherein: support fixing device (5) including setting up two support tracks (6) in support frame (1) both sides, and equal sliding connection has movable plate (7) on two support tracks (6), movable plate (7) bottom fixedly connected with rolling member (8), and rolling member (8) and support track (6) sliding connection, one side that support frame (1) was kept away from in movable plate (7) is equipped with setting element (9), support track (6) outside is equipped with recess (10), and recess (10) internal rotation is connected with rotation lead screw (11), and two one end fixedly connected with driving piece (12) that rotation lead screw (11) are located the support track (6) outside, movable plate (7) top fixedly connected with flexible holder (13).
3. A pressure swing test structure as claimed in claim 2, wherein: the rolling part (8) comprises two fixing plates (14) fixedly connected to the bottom end of the moving plate (7) and a supporting shaft (15) fixedly connected between the fixing plates (14), two moving grooves (16) are formed in the supporting rail (6), the supporting shaft (15) penetrates through the moving grooves (16), the outer side of the supporting shaft (15) is sleeved with a roller (17) through a bearing in a rotating mode, and the roller (17) is connected with the supporting rail (6) in a sliding mode.
4. A pressure swing test structure as claimed in claim 2, wherein: locating element (9) are including connecting block (20) of fixed connection in the movable plate (7) outside, one side that movable plate (7) were kept away from in connecting block (20) is equipped with fixed slot (18), and fixed slot (18) inside fixedly connected with infrared light receiver (19), connecting block (20) outside is equipped with locating piece (21), and one side that locating piece (21) are close to connecting block (20) is equipped with infrared light emitter (22), one side that infrared light emitter (22) were kept away from in locating piece (21) is equipped with connecting rod (23), and connecting rod (23) bottom is equipped with flexible moving member (24), flexible moving member (24) rotate with rotation lead screw (11) and be connected.
5. A pressure alternation test structure as claimed in claim 4, wherein: the telescopic moving piece (24) comprises a moving sleeve (25) which is rotatably sleeved on the outer side of the rotating screw rod (11), the moving sleeve (25) is connected with the groove (10) in a sliding mode, the moving sleeve (25) is located on one side, located on the outer side of the groove (10), of a first electric push rod (26), and the output end of the first electric push rod (26) is fixedly connected with the connecting rod (23).
6. A pressure swing test structure as claimed in claim 2, wherein: the driving piece (12) comprises two driven gears (27) which are respectively fixedly sleeved at one end of the two rotating screw rods (11) positioned at the outer side of the supporting track (6), a gear chain (28) is connected between the two driven gears (27) in a transmission way, a driving gear (29) is connected in the middle of the gear chain (28) in a transmission way, and a plurality of limiting wheels (30) are rotatably connected at the outer side of the gear chain (28), a connecting shaft (31) is rotatably sleeved inside the limiting wheels (30), the connecting shaft (31) is fixedly connected with the support frame (1), a rotating shaft (32) is fixedly sleeved in the driving gear (29), one end of the rotating shaft (32) is rotatably connected with the supporting frame (1) through a bearing, and the other end of the rotating shaft (32) is fixedly connected with a driving motor (33), and the driving motor (33) is fixedly connected with the supporting frame (1) through a fixing frame.
7. A pressure swing test structure as claimed in claim 2, wherein: flexible holder (13) include and rotate screw sleeve (34) of connection on movable plate (7) through the bearing frame, the fixed cover in screw sleeve (34) outside has been connected and has been rotated piece (35), and rotates piece (35) fixed connection on movable plate (7), screw sleeve (34) inside rotation is connected with threaded rod (36), be equipped with two spacing grooves (37) on threaded rod (36), and sliding connection has two gag lever posts (38) on two spacing grooves (37), gag lever post (38) and movable plate (7) fixed connection, threaded rod (36) top fixedly connected with bottom plate (39), fixedly connected with second electric putter (40) are gone up in bottom plate (39), and second electric putter (40) output fixedly connected with presss from both sides tight shell (41), be equipped with clamping piece (46) on pressing from both sides tight shell (41).
8. A pressure swing test structure as claimed in claim 7, wherein: rotate piece (35) including fixed rotating gear (42) of cup jointing in thread bush (34) bottom outside, rotating gear (42) outside meshing is connected with rotating gear (43), rotating gear (43) bottom is through shaft coupling fixedly connected with rotation motor (44), rotation motor (44) fixed connection is on movable plate (7).
9. A pressure swing test structure as claimed in claim 7, wherein: clamping piece (46) are including setting up removal mouth (45) in pressing from both sides tight shell (41) one side, it is connected with two-way drive lead screw (47) to move the inside rotation of mouth (45), and two-way drive lead screw (47) are located the one end fixedly connected with rotating electrical machines (48) that press from both sides tight shell (41) top outside, two adapter sleeve (49), two have been cup jointed in the last rotation of two-way drive lead screw (47) adapter sleeve (49) all with press from both sides tight shell (41) sliding connection, fixedly connected with locating lever (50) on adapter sleeve (49), and one end fixedly connected with that adapter sleeve (49) were kept away from in locating lever (50) presss from both sides tight piece (.
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| CN202010257320.0A CN111562068B (en) | 2020-04-03 | 2020-04-03 | Pressure alternation test structure |
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| CN202010257320.0A CN111562068B (en) | 2020-04-03 | 2020-04-03 | Pressure alternation test structure |
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| CN111562068B CN111562068B (en) | 2022-04-29 |
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