CN110823481A - Air tightness detection device for rubber tube of air expansion shaft - Google Patents
Air tightness detection device for rubber tube of air expansion shaft Download PDFInfo
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- CN110823481A CN110823481A CN201911305987.7A CN201911305987A CN110823481A CN 110823481 A CN110823481 A CN 110823481A CN 201911305987 A CN201911305987 A CN 201911305987A CN 110823481 A CN110823481 A CN 110823481A
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- clamping
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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
- G01M3/2807—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 for pipes
- G01M3/2815—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 for pipes using pressure measurements
Abstract
The invention discloses an air tightness detection device for an air-expanding shaft rubber tube, which comprises a workbench, an underframe, a sliding chute, a clamping slide block, a clamping head, a limiting expansion sleeve, an inflating device and an air pressure detection device.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of rubber tube detection, in particular to an air tightness detection device for an air-expanding shaft rubber tube.
[ background of the invention ]
The inflatable shaft is a special winding and unwinding shaft, and the surface part of the inflatable shaft is inflated by high pressure and then rapidly retracted after being deflated. The inflatable shaft is very convenient and quick to use, only an air source is needed to be provided by a user, the air pressure is controlled within the range of 6-8kg, when the reel core needs to be locked, the air gun can inflate the air nozzle on the inflatable shaft, and when the reel core needs to be released for unloading, the sliding air core on the air nozzle is pressed by hand to deflate.
The inflatable rubber tube inside the inflatable shaft is a core part which can be expanded by the inflatable shaft, the service life of the inflatable shaft depends on the service life of the rubber tube to a great extent, and due to the reasons that the size span of the rubber tube inside the inflatable shaft is large, the rubber tube is relatively soft, the expansion coefficient of the rubber tube is relatively large and the like, the air tightness of the rubber tube of the inflatable shaft cannot be accurately measured by the conventional rubber tube air tightness detection device, so that the air tightness detection device for the rubber tube of the inflatable shaft is necessary to be provided.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides the air tightness detection device for the air-inflated shaft rubber tube.
In order to realize the purpose, the invention provides an air tightness detection device for an air-expanding shaft rubber tube, which comprises a workbench, a bottom frame, a sliding groove, a clamping slide block, a clamping head, a limiting expansion sleeve, an air charging device and an air pressure detection device, the bottom of the workbench is provided with a bottom frame, the workbench is provided with a sliding chute which transversely penetrates through the surface of the workbench, a group of clamping slide blocks which are symmetrical left and right are arranged on the sliding groove, clamping heads are arranged on opposite surfaces of the clamping slide blocks, a plurality of limiting expansion sleeves are arranged between the two clamping sliding blocks, the limiting expansion sleeves are also arranged in the sliding grooves, the worktable is also provided with an air charging device and an air pressure detection device, the air charging device is positioned behind the right clamping slide block, the air charging device is connected with the right clamping slide block through an air charging hose, the air pressure detection device is located behind the left clamping slide block, and the air pressure detection device is connected with the left clamping slide block through a signal cable.
Preferably, the underframe is connected with the workbench in a bolt connection mode, the underframe is composed of a plurality of vertically arranged support rods, the support rods are located at four corners of the workbench, a connecting rod is arranged between the support rods, and universal wheels are arranged at the bottoms of the support rods.
Preferably, an expansion groove is formed in the sliding groove, and the expansion groove and the sliding groove are rectangular through grooves.
Preferably, the center department of centre gripping slider opposite flank is equipped with first long and thin through-hole, the outside of first long and thin through-hole is equipped with the screw thread annular, still be equipped with the fixture block on the opposite flank of centre gripping slider, the fixture block is located both ends about the centre gripping slider opposite flank, be equipped with horizontal grooved draw-in groove on the fixture block, be equipped with the chucking shell fragment between two draw-in grooves, be equipped with the ladder groove on the face of carrying on the back of the body of centre gripping slider, the ladder groove comprises three diameter cylinder groove that reduces gradually, be equipped with the screw thread on the cell wall of outside cylinder groove.
Preferably, the clamping spring plate is composed of a pair of elastic spring plates which are symmetrical up and down, the left ends of the two elastic spring plates are welded with each other, an arc section which protrudes outwards is arranged at the center of each elastic spring plate, and the circle center of each arc section is overlapped with the circle center of the first slender through hole.
As preferred, the holding head is removable design, the holding head has the diameter size of multiple difference, the left end of holding head be equipped with screw ring groove matched with thread bush, the center department of holding head is equipped with the long and thin through-hole of second, the diameter of the long and thin through-hole of second is the same with first long and thin through-hole, be equipped with a plurality of evenly distributed's check ring on the lateral wall of holding head, the right-hand member of holding head is equipped with round platform shrink section, it is equipped with the sealing washer to inlay on the right flank of round platform shrink section, the centre of a circle of sealing washer overlaps with the centre of a circle of the long and thin through-hole.
Preferably, the limiting expansion sleeve is a square hollow frame, a return spring is arranged on each inner wall of the expansion sleeve, an arc support sheet is arranged at the other end of the return spring, and the expansion sleeve, the return spring and the arc support sheet are fixedly connected in a welding mode.
Preferably, signal cable and aerify the hose and link to each other with two centre gripping sliders through cable joint and inflation joint respectively, cable joint and inflation joint cooperate with the ladder groove, cable joint and inflation joint's center department are equipped with the atmospheric pressure detection pipe respectively and aerify the hard tube, the diameter of atmospheric pressure detection pipe and inflation hard tube is the same with the diameter of first long and thin through-hole, the length of atmospheric pressure detection pipe and inflation hard tube will be longer than the sum of first long and thin through-hole and the long and thin through-hole length of second.
Preferably, the bottom parts of the clamping sliding block and the limiting expansion sleeve are provided with limiting clamping blocks matched with the expansion grooves.
The invention has the beneficial effects that:
the invention has simple structure and reasonable design, can detect the air tightness of the air expansion shaft rubber tubes with various diameters and lengths by arranging the clamping slide block with the replaceable clamping head on the chute, has high detection precision and simple detection operation; by arranging the plurality of limiting expansion sleeves between the two clamping sliding blocks, when the rubber tube is inflated, the limiting expansion sleeves can limit the radial expansion of the rubber tube and can simulate the service condition of the rubber tube in the inflatable shaft, so that the detection precision is further increased; through the mode that sets up sealing washer, chucking shell fragment and check ring, reduced the rubber tube and having appeared the possibility of leaking gas in carrying out the gas tightness testing process, increased the authenticity of detection data.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of an air tightness detection device for a rubber tube with an inflatable shaft according to the invention.
FIG. 2 is a top view of the air tightness detection device for the air-inflated shaft rubber tube of the present invention.
FIG. 3 is a schematic structural diagram of a clamping slide block in the air tightness detection device for the air-expanding shaft rubber tube.
FIG. 4 is a left side view of a clamping slide block in the air tightness detection device for the air-expanding shaft rubber tube.
FIG. 5 is a schematic structural diagram of a clamping head in the air tightness detection device for the air-expanding shaft rubber tube of the present invention.
FIG. 6 is a schematic structural diagram of a limiting expansion sleeve in the air tightness detection device for the air-expanding shaft rubber tube.
In the figure: 1-workbench, 2-underframe, 21-support rod, 22-connecting rod, 23-universal wheel, 3-sliding groove, 31-expansion groove, 4-clamping slide block, 41-first elongated through hole, 42-thread ring groove, 43-clamping block, 44-clamping groove, 45-clamping elastic sheet, 451-elastic spring sheet, 452-arc section, 46-step groove, 5-clamping head, 51-thread sleeve, 52-second elongated through hole, 53-check ring, 54-round platform contraction section, 55-sealing ring, 6-limit expansion sleeve, 61-reset spring, 62-arc-shaped expansion device, 7-inflation device, 71-inflation hose, 72-inflation joint, 73-inflation hard tube, 8-air pressure detection device, 23-universal wheel, 3-sliding groove, 3-inflation groove, 4-clamping slide block, 41-first elongated through hole, 81-signal cable, 82-cable joint, 83-air pressure detecting tube, 9-limit fixture block and A-rubber tube.
[ detailed description ] embodiments
Referring to the attached drawings, the invention discloses an air tightness detection device for an air-expanding shaft rubber tube, which comprises a workbench 1, an underframe 2, a chute 3, clamping sliders 4, clamping heads 5, limiting expansion sleeves 6, an air charging device 7 and an air pressure detection device 8, wherein the underframe 2 is arranged at the bottom of the workbench 1, the chute 3 transversely penetrating through the table top of the workbench 1 is arranged on the workbench 1, a group of bilaterally symmetrical clamping sliders 4 are arranged on the chute 3, the clamping heads 5 are arranged on opposite surfaces of the clamping sliders 4, a plurality of limiting expansion sleeves 6 are arranged between the two clamping sliders 4, the limiting expansion sleeves 6 are also arranged in the chute 3, the air charging device 7 and the air pressure detection device 8 are also arranged on the workbench 1, the air charging device 7 is positioned behind the clamping sliders 4 on the right side, and the air charging device 7 is connected with the clamping sliders 4 on the right side through an air charging hose, the air pressure detection device 8 is positioned behind the left clamping slide block 4, and the air pressure detection device 8 is connected with the left clamping slide block 4 through a signal cable 81.
Wherein, chassis 2 links to each other with workstation 1 through bolted connection's mode, chassis 2 comprises many perpendicular bracing pieces 21 that set up, bracing piece 21 is located four edges of workstation 1, be equipped with connecting rod 22 between each bracing piece 21, the bottom of each bracing piece 21 is equipped with universal wheel 23.
An expansion groove 31 is formed in the sliding groove 3, and the expansion groove 31 and the sliding groove 3 are rectangular through grooves.
Wherein, centre department of centre gripping slider 4 opposite flank is equipped with first long and thin through-hole 41, the outside of first long and thin through-hole 41 is equipped with screw thread annular 42, still be equipped with fixture block 43 on the opposite flank of centre gripping slider 4, fixture block 43 is located the left and right sides both ends of centre gripping slider 4 opposite flank, be equipped with horizontal grooved draw-in groove 44 on the fixture block 43, be equipped with chucking shell fragment 45 between two draw-in grooves 44, be equipped with ladder groove 46 on the face of carrying on the back of the body of centre gripping slider 4, ladder groove 46 comprises the cylinder groove that three diameter reduces gradually, be equipped with the screw thread on the cell wall of outside cylinder groove.
The clamping spring plate 45 is composed of a pair of elastic spring plates 451 which are symmetrical up and down, the left ends of the two elastic spring plates 451 are welded with each other, an arc section 452 protruding outwards is arranged at the center of each elastic spring plate 451, and the circle center of each arc section 452 is overlapped with the circle center of the first elongated through hole 41.
Wherein, the holding head 5 is removable design, the holding head 5 has the diameter size of multiple difference, the left end of holding head 5 is equipped with the thread bush 51 with screw thread annular 42 matched with, the center department of holding head 5 is equipped with the long and thin through-hole 52 of second, the diameter of the long and thin through-hole 52 of second is the same with first long and thin through-hole 41, be equipped with a plurality of evenly distributed's non return ring 53 on the lateral wall of holding head 5, the right-hand member of holding head 5 is equipped with round platform shrink section 54, it is equipped with sealing washer 55 to inlay on the right flank of round platform shrink section 54, the centre of a circle of sealing washer 55 overlaps with the centre of a circle of the long and thin through-.
The limiting expansion sleeve 6 is a square hollow frame, a return spring 61 is arranged on each inner wall of the expansion sleeve 6, an arc support sheet 62 is arranged at the other end of the return spring 61, and the expansion sleeve 6, the return spring 61 and the arc support sheet 62 are fixedly connected in a welding mode.
The signal cable 81 and the inflation hose 71 are respectively connected with the two clamping sliders 4 through a cable connector 82 and an inflation connector 72, the cable connector 82 and the inflation connector 72 are matched with the stepped groove 46, an air pressure detection tube 83 and an inflation hard tube 73 are respectively arranged at the centers of the cable connector 82 and the inflation connector 72, the diameters of the air pressure detection tube 83 and the inflation hard tube 73 are the same as the diameter of the first elongated through hole 41, and the lengths of the air pressure detection tube 83 and the inflation hard tube 73 are longer than the sum of the lengths of the first elongated through hole 41 and the second elongated through hole 52.
And the bottom parts of the clamping slide block 4 and the limiting expansion sleeve 6 are provided with limiting clamping blocks 9 matched with the expansion grooves 31.
The working process of the invention is as follows:
in the working process of the air tightness detection device for the rubber hose A with the air inflation shaft, firstly, according to the diameter of the rubber hose A to be detected with air tightness, a corresponding clamping head 5 is selected, the clamping head 5 is installed on the clamping slide block 4, then the rubber hose A passes through the limiting expansion sleeve 6 and is installed between the two clamping heads 5, the rubber hose A is firmly fixed on the clamping head 5 by using the clamping elastic sheet 45 and the clamping groove 44, then the positions of the two clamping slide blocks 4 are moved, the rubber hose A is straightened, then the cable connector 82 and the inflation connector 72 are respectively connected with the left clamping slide block 4 and the right clamping slide block 4, the rubber hose A is inflated by using the inflation device 7, the air tightness of the rubber hose A is determined by observing the change of air pressure data obtained by the air pressure detection device 8 within a certain time, compared with the prior art, the air tightness detection device has simple structure and reasonable design, and the mode of arranging the clamping slide block 4, the invention can detect the air tightness of the air expansion shaft rubber tubes A with various diameters and lengths, and has high detection precision and simple detection operation; by arranging the plurality of limiting expansion sleeves 6 between the two clamping sliding blocks 4, when the rubber tube A is inflated, the limiting expansion sleeves 6 can limit the radial expansion of the rubber tube A and can simulate the service condition of the rubber tube A in the inflatable shaft, so that the detection precision is further increased; through the 53 modes that set up sealing washer 55, chucking shell fragment 45 and non return circle, reduced rubber tube A and the possibility that air leakage appears in carrying out the gas tightness testing process, increased the authenticity of detection data.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides an physiosis axle rubber tube gas tightness detection device which characterized in that: comprises a workbench (1), a chassis (2), a chute (3), clamping sliders (4), clamping heads (5), limiting expansion sleeves (6), an inflating device (7) and an air pressure detection device (8), wherein the chassis (2) is arranged at the bottom of the workbench (1), the chute (3) transversely penetrating through the table top of the workbench (1) is arranged on the workbench (1), a group of clamping sliders (4) which are bilaterally symmetrical are arranged on the chute (3), the clamping heads (5) are arranged on opposite surfaces of the clamping sliders (4), a plurality of limiting expansion sleeves (6) are arranged between the two clamping sliders (4), the limiting expansion sleeves (6) are also arranged in the chute (3), the inflating device (7) and the air pressure detection device (8) are also arranged on the workbench (1), and the inflating device (7) is positioned at the rear of the clamping sliders (4) on the right side, the air charging device (7) is connected with the clamping sliding block (4) on the right side through an air charging hose (71), the air pressure detection device (8) is located behind the clamping sliding block (4) on the left side, and the air pressure detection device (8) is connected with the clamping sliding block (4) on the left side through a signal cable (81).
2. The device for detecting the airtightness of the inflatable shaft rubber tube according to claim 1, wherein: chassis (2) link to each other with workstation (1) through bolted connection's mode, chassis (2) comprise many perpendicular bracing pieces (21) that set up, bracing piece (21) are located four edges of workstation (1), be equipped with connecting rod (22) between each bracing piece (21), the bottom of each bracing piece (21) is equipped with universal wheel (23).
3. The device for detecting the airtightness of the inflatable shaft rubber tube according to claim 1, wherein: the inside of spout (3) is equipped with inflation groove (31), inflation groove (31) and spout (3) are the rectangle through-groove.
4. The device for detecting the airtightness of the inflatable shaft rubber tube according to claim 1, wherein: centre department of centre gripping slider (4) opposite flank is equipped with first long and thin through-hole (41), the outside of first long and thin through-hole (41) is equipped with screw thread annular (42), still be equipped with fixture block (43) on the opposite flank of centre gripping slider (4), fixture block (43) are located both ends about centre gripping slider (4) opposite flank, be equipped with horizontal grooved draw-in groove (44) on fixture block (43), be equipped with chucking shell fragment (45) between two draw-in grooves (44), be equipped with ladder groove (46) on the looks of the back of the body side of centre gripping slider (4), ladder groove (46) comprise the cylinder groove that three diameter reduces gradually, be equipped with the screw thread on the cell wall in outside cylinder groove.
5. The device for detecting the airtightness of the inflatable shaft rubber tube according to claim 4, wherein: the clamping spring plate (45) is composed of a pair of elastic spring plates (451) which are vertically symmetrical, the left ends of the two elastic spring plates (451) are welded with each other, an arc section (452) protruding outwards is arranged at the center of each elastic spring plate (451), and the circle center of each arc section (452) is overlapped with the circle center of the first slender through hole (41).
6. The device for detecting the airtightness of the inflatable shaft rubber tube according to claim 4, wherein: the utility model discloses a clamping head, including clamping head (5), centre gripping head (5), the diameter size of multiple difference, the left end of clamping head (5) is equipped with and screw ring groove (42) matched with thread bush (51), the center department of clamping head (5) is equipped with the long and thin through-hole of second (52), the diameter of the long and thin through-hole of second (52) is the same with first long and thin through-hole (41), be equipped with a plurality of evenly distributed's check ring (53) on the lateral wall of clamping head (5), the right-hand member of clamping head (5) is equipped with round platform shrink section (54), it is equipped with sealing washer (55) to inlay on the right flank of round platform shrink section (54), the centre of a circle of sealing washer (55) overlaps with the centre of a circle of the long and thin through-hole of second.
7. The device for detecting the airtightness of the inflatable shaft rubber tube according to claim 1, wherein: spacing inflation cover (6) are square hollow frame, all be equipped with reset spring (61) on each inner wall of inflation cover (6), reset spring's (61) the other end is equipped with arc backing sheet (62), each other through welded mode fixed connection between inflation cover (6), reset spring (61) and the arc backing sheet (62).
8. The device for detecting the airtightness of the inflatable shaft rubber tube according to claim 1, wherein: the signal cable (81) and the inflation hose (71) are connected with the two clamping sliding blocks (4) through a cable joint (82) and an inflation joint (72) respectively, the cable joint (82) and the inflation joint (72) are matched with the stepped groove (46), the centers of the cable joint (82) and the inflation joint (72) are provided with an air pressure detection pipe (83) and an inflation hard pipe (73) respectively, the diameters of the air pressure detection pipe (83) and the inflation hard pipe (73) are the same as the diameter of the first elongated through hole (41), and the lengths of the air pressure detection pipe (83) and the inflation hard pipe (73) are longer than the sum of the lengths of the first elongated through hole (41) and the second elongated through hole (52).
9. The device for detecting the airtightness of the inflatable shaft rubber tube according to claims 1 to 8, wherein: and the bottom parts of the clamping sliding block (4) and the limiting expansion sleeve (6) are provided with limiting clamping blocks (9) matched with the expansion grooves (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911305987.7A CN110823481A (en) | 2019-12-18 | 2019-12-18 | Air tightness detection device for rubber tube of air expansion shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911305987.7A CN110823481A (en) | 2019-12-18 | 2019-12-18 | Air tightness detection device for rubber tube of air expansion shaft |
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| CN110823481A true CN110823481A (en) | 2020-02-21 |
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| CN201911305987.7A Pending CN110823481A (en) | 2019-12-18 | 2019-12-18 | Air tightness detection device for rubber tube of air expansion shaft |
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