CN113063548A - Cylinder body leakage tester - Google Patents
Cylinder body leakage tester Download PDFInfo
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- CN113063548A CN113063548A CN202110541961.3A CN202110541961A CN113063548A CN 113063548 A CN113063548 A CN 113063548A CN 202110541961 A CN202110541961 A CN 202110541961A CN 113063548 A CN113063548 A CN 113063548A
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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
- G01M3/025—Details with respect to the testing of engines or engine parts
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Abstract
A cylinder body leakage tester comprises a frame, a sliding table, a bracket, a longitudinal plugging device and a lateral plugging device, wherein the bracket is arranged on the sliding table and can move on the sliding table; the rack comprises a base and a mounting rack, the lateral plugging device is arranged on the mounting rack and comprises a front plugging mechanism, a rear supporting mechanism, a left plugging mechanism and a right plugging mechanism, and a plugging area is formed among the front plugging mechanism, the rear supporting mechanism, the left plugging mechanism and the right plugging mechanism; the longitudinal plugging device comprises a lifting plugging mechanism and a top plugging mechanism, the top plugging mechanism is located above a plugging area, the lifting plugging mechanism is installed on the base and located below the plugging area, the sliding table is arranged on the base, one end of the sliding table extends to the lower portion of the plugging area, the lifting plugging mechanism comprises a lower plugging plate, and the bracket is provided with a vacancy avoiding position corresponding to the lower plugging plate. By adopting the technical scheme, the cylinder body can be effectively sealed, and the accuracy and consistency of test results are improved.
Description
Technical Field
The invention relates to the technical field of detection and setting of engine cylinder bodies, in particular to a cylinder body leakage tester.
Background
Due to the fact that local tissues are loose in casting quality of the engine cylinder body, casting or machining inspection causes the local wall of the cylinder body to be too thin, oil ducts, water ducts and cavities are communicated, and the like, poor products need to be detected through a leakage testing process.
Under different temperatures and plugging pressures, the deformation of the sealing glue is different, the cavity volume caused by the sealing stroke is different, particularly, the plugging area of the upper surface and the lower surface of the cylinder body is very large, and the volume change of 6ml can be caused by the difference of 0.1mm compression amount. The existing online engine cylinder body leakage tester has unreliable performance of a sealing cylinder body, can cause the deviation of a plurality of detection results of the same workpiece due to the reasons of temperature, air pressure, oil pressure and the like, causes the CPK value of equipment to hardly reach a used preset value, reduces the accuracy and consistency of test results, and therefore needs to be improved.
Disclosure of Invention
The invention aims to provide a cylinder body leak tester with reliable performance, which can effectively seal a cylinder body and improve the accuracy and consistency of test results. In order to achieve the purpose, the invention adopts the following technical scheme:
a cylinder body leakage tester comprises a rack, a sliding table arranged on the rack, a bracket arranged on the sliding table and capable of moving on the sliding table, a longitudinal plugging device arranged on the rack and a lateral plugging device arranged on the rack; the lateral plugging device comprises a front plugging mechanism, a rear supporting mechanism, a left plugging mechanism and a right plugging mechanism, and a plugging area is formed among the front plugging mechanism, the rear supporting mechanism, the left plugging mechanism and the right plugging mechanism; vertical plugging device of saying is including lifting shutoff mechanism and top shutoff mechanism, top shutoff mechanism sets up on the mounting bracket and is located the top in shutoff district, it installs on the base and is located the below in shutoff district to lift shutoff mechanism, the slip table sets up on the base just the one end of slip table extends to the below in shutoff district, it establishes in the below of bracket to lift shutoff mechanism, lifts shutoff mechanism and includes lower shutoff board, the bracket corresponds and lifts the shutoff board is provided with and keeps away the vacancy down.
Further, the lifting plugging mechanism comprises a lifting cylinder, a lower plugging plate arranged at the end part of an output shaft of the lifting cylinder and a plurality of guide rods connected with the lower plugging plate, the lifting cylinder is fixed on a base, the output shaft of the lifting cylinder extends upwards, a guide sleeve is fixedly arranged on the base, the top of each guide rod is fixedly connected with the lower plugging plate, the bottom end of each guide rod penetrates through the guide sleeve, and a first limiting mechanism for limiting the lifting cylinder is arranged at the bottom end of each guide rod; the cylinder hole locating pin that is provided with down the seal groove on the lower shutoff board and is arranged in stretching into the cylinder hole of cylinder body, the trend of seal groove matches with the shape of the bottom surface of cylinder body down, be provided with sealed the pad in the seal groove down, sealed the outside of protruding seal groove down, cylinder hole locating pin is provided with two.
Further, first stop gear is including establishing the screw rod and the stop nut of threaded connection on the screw rod in the guide bar bottom, stop nut's side is provided with the locking breach that extends to stop nut inner bore department, the locking breach is close to stop nut's terminal surface, stop nut's terminal surface is provided with the mounting hole, the locking breach is provided with the screw hole on keeping away from the lateral wall of terminal surface, is provided with the bolt in the mounting hole, the bolt passes locking breach and screw hole threaded connection and makes the locking breach warp, and then makes stop nut fix the assigned position on the screw rod.
Furthermore, the top plugging mechanism comprises an upper plugging plate, an upper sealing groove unit, a sealing gasket, a plurality of first upper filling pieces, a second upper filling piece, an upper elastic plug, a plurality of upper arc-shaped plugs and a plurality of upper limiting blocks, wherein the first upper filling pieces are used for extending into cylinder holes of the cylinder body and filling spaces in the cylinder holes; the upper sealing groove comprises two upper sealing grooves which are arranged at intervals in the front-back direction, the upper sealing grooves extend to the edge positions of the left end and the right end of the upper sealing plate, and an upper sealing area is formed between the two upper sealing grooves; the utility model discloses a packing structure, including packing, first last packing, second, last filler, last elasticity end cap, last arc end cap and a plurality of spacing piece set up the bottom at last shutoff board, filler nylon finished piece on first last filler and the second, a plurality of first length direction intervals that go up the filler along last shutoff board set up, first last filler includes the filler mount pad and sets up the lug in last filler mount pad bottom, it passes through the fastener and fixes on last shutoff board to go up the filler mount pad, the filler setting is in the position that is close to right shutoff mechanism one end on the second, the filler is the vertical filler board that sets up downwards on the second.
Furthermore, the plurality of upper arc-shaped plugs and the plurality of first upper filling pieces are arranged at intervals along the left and right direction of the upper plugging plate, the plurality of upper limiting blocks are distributed on the outer side of the upper sealing area, and the upper limiting blocks are copper pieces; the bottom of the upper plugging plate, which is positioned in the upper sealing area, is provided with an exhaust hole, and the exhaust hole penetrates through the side surface of the upper plugging plate.
Further, right side shutoff mechanism is including fixing right mount pad, right shutoff cylinder, the right shutoff bedplate on the mounting bracket and setting up the right shutoff subassembly on right shutoff bedplate, right shutoff cylinder sets up the back at right shutoff bedplate, and the output and the right mount pad of right shutoff cylinder are connected.
Further, the right plugging component comprises a first right plugging unit, a second right plugging unit, a third right plugging unit, an elastic right plugging unit and a sealing sleeve right plugging unit; the first right plugging unit comprises a right plugging plate, a first right sealing groove arranged on the right plugging plate and a sealing gasket arranged in the first right sealing groove, the sealing gasket protrudes out of the first right sealing groove, and a right plugging limiting surface is formed by the surface of the right plugging plate provided with the first right sealing groove; the second right plugging unit comprises a first right plugging block and a first right plug, the first right plugging block is installed on the right plugging base plate through a compression spring, and the first right plug is installed on the first right plugging block through the compression spring; the third right plugging unit comprises a second right plugging block and a second right plug, a compression spring is arranged between the second right plugging block and the right plugging base plate, the compression spring is arranged between the second right plug and the second right plugging block, a second right sealing groove is formed in the end face of the second right plugging block, a sealing gasket is arranged in the second right sealing groove, and the sealing gasket protrudes out of the second right sealing groove; the right sealing sleeve plugging unit comprises a guide pillar, a sealing sleeve arranged on the guide pillar and a compression spring arranged between the sealing sleeve and the right plugging seat plate, and a sealing ring is arranged on the sealing sleeve; the right elastic plugging unit comprises a right third plug, the right third plug is connected with the right plugging base plate in a sliding mode through a connecting rod, a compression spring is arranged between the right third plug and the right plugging base plate, and the right first plug, the right second plug and the right third plug are made of polyurethane.
Further, the left plugging mechanism comprises a left mounting seat fixed on the mounting frame, a left plugging air cylinder fixed on the left mounting seat, a left plugging seat plate arranged at the output end of the left plugging air cylinder, a left plugging assembly arranged on the left plugging seat plate and a left support air cylinder arranged on the left plugging seat plate and opposite to the third right plugging unit; the left side shutoff subassembly includes left shutoff board and two left elasticity end caps, be provided with left seal groove on the shutoff board of a left side, be provided with sealed the pad in the seal groove of a left side, sealed outside of protruding to left seal groove of pad, the face that left seal groove was installed to left side shutoff board forms the spacing face of left shutoff, left side elasticity end cap is the polyurethane finished piece.
Further, the front plugging mechanism comprises a front mounting seat fixed on the mounting frame, a front plugging air cylinder fixed on the front mounting seat, a front plugging seat plate arranged at the output end of the front plugging air cylinder and a front plugging component arranged on the front plugging seat plate; the front plugging assembly comprises a front elastic plug and a front plugging plate, a front sealing groove is formed in the front plugging plate, a sealing gasket is arranged in the front sealing groove, the sealing gasket protrudes out of the front sealing groove, and a front plugging limiting surface is formed on the surface of the front plugging plate, which is provided with the front sealing groove; the inside that preceding seal groove encloses into the region is provided with the inflation hole, the side of preceding seal groove is link up to the inflation hole, preceding elasticity end cap is the polyurethane finished piece.
Further, back supporting mechanism is including fixing back mount pad on the mounting bracket, fixing first back supporting cylinder, back supporting seat board on back mount pad and setting up two second back supporting cylinder on the back supporting seat board, first back supporting cylinder drives back supporting seat board and moves in the fore-and-aft direction.
By adopting the technical scheme, the cylinder body is arranged on the bracket and then moves to the lower part of the plugging area through the sliding table, the lower plugging plate of the plugging mechanism lifts the bottom of the cylinder body and lifts the cylinder body to the plugging area, at the moment, the top and the bottom of the cylinder body are respectively sealed by the upper plugging mechanism and the lower plugging mechanism, then the front plugging mechanism, the rear supporting mechanism, the left plugging mechanism and the right plugging mechanism are driven to move towards the cylinder body direction and plug the side surface of the cylinder body, thereby realizing reliable sealing of the cylinder body in all directions, improving the accuracy of a leakage test, by arranging the first limiting mechanism, the upper limiting block, the right plugging limiting surface, the left plugging limiting surface and the front plugging limiting surface, when in each sealing, the consistency of the compression amount of the polyurethane plug and the compression amount of the sealing strip can ensure that the CPK value of the equipment meets the preset requirement under different conditions, and the consistency of the test result is improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is a schematic view of a lifting plugging mechanism.
Fig. 4 is an installation schematic diagram of the limit nut.
Figure 5 is a schematic view of a top blocking mechanism.
Figure 6 is a schematic view of a lateral occlusion device.
Figure 7 is a schematic view of a front occlusion mechanism.
Fig. 8 is a schematic view of the rear support mechanism.
Fig. 9 is a schematic view of the left occlusion mechanism.
Fig. 10 is a schematic view of a right occlusion mechanism.
Fig. 11 is a top view of the cylinder.
Fig. 12 is a bottom view of the cylinder block.
Fig. 13 is a left side view of the cylinder.
Fig. 14 is a right side view of the cylinder.
Fig. 15 is a front view of the cylinder.
Detailed Description
The invention is described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 6, the cylinder leakage tester comprises a frame, a sliding table 1 arranged on the frame, a bracket 2 arranged on the sliding table 1 and capable of moving on the sliding table 1, a longitudinal plugging device arranged on the frame, and a lateral plugging device arranged on the frame.
The rack comprises a base 3 and a mounting rack 4 arranged on the base 3, the lateral plugging device is arranged on the mounting rack 4 and comprises a front plugging mechanism 5, a rear supporting mechanism 6, a left plugging mechanism 7 and a right plugging mechanism 8, and a plugging area is formed among the front plugging mechanism 5, the rear supporting mechanism 6, the left plugging mechanism 7 and the right plugging mechanism 8; the longitudinal plugging device comprises a lifting plugging mechanism 9 and a top plugging mechanism 10, the top plugging mechanism 10 is arranged on the mounting frame 4 and located above the plugging area, the lifting plugging mechanism 9 is arranged on the base 3 and located below the plugging area, the sliding table 1 is arranged on the base 3, one end of the sliding table 1 extends to the lower side of the plugging area, the lifting plugging mechanism 9 is arranged below the bracket 2, the lifting plugging mechanism 9 comprises a lower plugging plate 11, and the bracket 2 is provided with a vacancy avoiding position 12 corresponding to the lower lifting plugging plate 11.
In the invention, the base 3 is provided with two mounting frames 4, two sets of sliding tables 1, two sets of lateral plugging devices and two sets of longitudinal plugging devices, so that the test efficiency is improved.
As shown in fig. 3, 4, and 12, the lifting plugging mechanism 9 includes a lifting cylinder 13 (a cylinder or an oil cylinder may be substituted, and is exemplified here by a cylinder), a lower plugging plate 11 disposed at an end of an output shaft of the lifting cylinder 13, and a plurality of guide rods 14 connected to the lower plugging plate 11, the lifting cylinder 13 is fixed on the base 3, the output shaft of the lifting cylinder 13 extends upward, a guide sleeve 15 is fixed on the base 3, a top of the guide rod 14 is fixedly connected to the lower plugging plate 11, a bottom end of the guide rod 14 passes through the guide sleeve 15, and a first limiting mechanism for limiting the formation of the lifting cylinder 13 is disposed at a bottom end of the guide rod 14; the lower plugging plate 11 is provided with a lower sealing groove 16 and two cylinder hole positioning pins 17 extending into cylinder holes 31 of the cylinder 19, the trend of the lower sealing groove 16 is matched with the shape of the bottom surface 18 of the cylinder 19, a sealing gasket is arranged in the lower sealing groove 16 and protrudes out of the lower sealing groove 16, and the sealing gasket is extruded by the bottom surface 18 of the cylinder 19 to seal the cylinder 19.
First stop gear is including establishing screw rod 20 and the stop nut 21 of threaded connection on screw rod 20 in the 14 bottom of guide bar, stop nut 21's side is provided with the locking breach 22 that extends to stop nut 21 inner bore department, locking breach 22 is close to stop nut 21's terminal surface, stop nut 21's terminal surface is provided with mounting hole 23, locking breach 22 is provided with screw hole 24 on keeping away from the lateral wall of terminal surface, be provided with the bolt in the mounting hole 23, the bolt passes locking breach 22 and screw hole 24 threaded connection and makes locking breach 22 warp, and then make stop nut 21 fix the assigned position on screw rod 20, through setting up stop nut 21, can guarantee the uniformity of the stroke that lifting cylinder lifted.
As shown in fig. 5 and 11, the top blocking mechanism 10 includes an upper blocking plate 25, an upper sealing groove unit, a sealing gasket, a plurality of first upper filling members 29 for extending into the cylinder holes 31 of the cylinder 19 and filling the space in the cylinder holes 31, a second upper filling member 30 for extending into the space on the right side of the cylinder hole 31 on the rightmost side of the cylinder 19, an upper elastic plug 26, a plurality of upper arc plugs 27 for blocking the arc gap between the two cylinder holes 31, and a plurality of upper limiting blocks 28, where the upper elastic plug 26 and the upper arc plugs 27 are made of polyurethane.
The upper plugging plate 25 is fixed on the mounting frame 4, the upper sealing groove unit is arranged at the bottom of the upper plugging plate 25, the upper sealing groove 32 comprises two upper sealing grooves 32 which are arranged at intervals in the front-back direction, the upper sealing grooves 32 extend to the edge positions of the left end and the right end of the upper plugging plate 25, an upper sealing area is formed between the two upper sealing grooves 32, and the direction of the upper sealing groove 32 is matched with the shape of the top surface 33 of the cylinder body; a first upper packing member 29, a second upper packing member 30, go up elasticity end cap 26, go up arc end cap 27 and a plurality of spacing piece 28 settings in the bottom of last shutoff board 25, filler 30 nylon finished piece on filler 29 and the second in the first, a plurality of first filler 29 of going up sets up along the length direction interval of last shutoff board 25, a plurality of arc end cap 27 and a plurality of first filler 29 of going up set up along the left and right sides direction interval of last shutoff board 25, first filler 29 of going up includes filler mount pad and sets up the lug at last filler mount pad bottom, it can play fixed effect on the one hand to go up the filler mount pad, on the other hand also can fill the crankcase of cylinder body 19, the lug is used for filling cylinder hole 31, it fixes on last shutoff board 25 through the fastener to go up the filler mount pad, filler 30 sets up the position near right shutoff mechanism 8 one end on the second, filler 30 is the vertical filler board that sets up downwards on the second. Because the cavity of cylinder body 19 is in the leakage test, the volume of cavity is great, like this in the leakage test in-process, occupy great time and aerify and the pressurize to it, firstly influence the beat and the stability of equipment, secondly caused the waste of the energy, in order to avoid this kind of condition, we have set up on the first packing piece 29 and the second packing piece 30 in last shutoff position, fill great spaces such as crankcase, jar hole 31 in the cylinder body 19, in order to reduce cylinder body 19 cavity volume, can effectually shorten and aerify, the pressurize, the balance time, improve equipment's stability and improve the efficiency.
The upper limiting blocks 28 are distributed on the outer side of the upper sealing area, the limiting of the top surface sealing of the cylinder body 19 is realized by the upper limiting blocks 28, the upper limiting blocks 28 are made of copper, the cylinder body 19 cannot be damaged even if the cylinder body 19 is in contact with the upper limiting blocks 28, the bottom of the upper sealing area of the upper sealing plate 25 is provided with exhaust holes 34, and the exhaust holes 34 penetrate through the side surface of the upper sealing plate 25 and are used for exhausting after the leakage test is completed.
As shown in fig. 10 and 14, the right plugging mechanism 8 includes a right mounting seat 35 fixed on the mounting frame 4, a right plugging cylinder 36, a right plugging seat plate 37, and a right plugging assembly disposed on the right plugging seat plate 37, the right plugging cylinder 36 is disposed on the back of the right plugging seat plate 37, and an output end of the right plugging cylinder 36 is connected to the right mounting seat 35.
The right plugging component comprises a first right plugging unit, a second right plugging unit, a third right plugging unit, two elastic right plugging units and a sealing sleeve right plugging unit; the first right plugging unit comprises a right plugging plate 38, a first right sealing groove 39 arranged on the right plugging plate 38 and a sealing gasket arranged in the first right sealing groove 39, the sealing gasket protrudes out of the first right sealing groove 39, the surface of the right plugging plate 38 where the first right sealing groove 39 is installed forms a right plugging limiting surface, and the limiting of the plugging of the right side surface 58 of the cylinder body 19 is realized through the right plugging limiting surface. The second right plugging unit comprises a first right plugging block 40 and a first right plug 41, the first right plugging block 40 is installed on the right plugging base plate 37 through a compression spring, and the first right plug 41 is installed on the first right plugging block 40 through a compression spring; the third right plugging unit comprises a second right plugging block 42 and a second right plug 43, a compression spring is arranged between the second right plugging block 42 and the right plugging base plate 37, the compression spring is arranged between the second right plug 43 and the second right plugging block 42, a second right sealing groove 44 is formed in the end face of the second right plugging block 42, a sealing gasket is arranged in the second right sealing groove 44, and the sealing gasket protrudes out of the second right sealing groove 44; the right sealing sleeve plugging unit comprises a guide post 45, a sealing sleeve 46 arranged on the guide post 45 and a compression spring arranged between the sealing sleeve 46 and the right plugging seat plate 37, as shown in fig. 6, a sealing ring 47 is arranged on the sealing sleeve 46; the elastic right plugging unit comprises a third right plug 48, the third right plug 48 is in sliding connection with the right plugging seat plate 37 through a connecting rod 49, a compression spring is arranged between the third right plug 48 and the right plugging seat plate 37, and the first right plug 41, the second right plug 43 and the third right plug 48 are made of polyurethane.
As shown in fig. 9 and 13, the left plugging mechanism 7 includes a left mounting seat 50 fixed on the mounting frame 4, a left plugging cylinder 51 fixed on the left mounting seat 50, a left plugging seat plate 52 arranged at an output end of the left plugging cylinder 51, a left plugging assembly arranged on the left plugging seat plate 52, and a left support cylinder 53 arranged on the left plugging seat plate 52 and opposite to the third right plugging unit; the left plugging component comprises a left plugging plate 54 and two left elastic plugs 55, the left elastic plugs 55 are made of polyurethane, a left sealing groove 56 is formed in the left plugging plate 54, a sealing gasket is arranged in the left sealing groove 56 and protrudes out of the left sealing groove 56, the surface of the left sealing groove 56 mounted on the left plugging plate 54 forms a left plugging limiting surface, and the plugging limiting of the left side surface 57 of the cylinder body 19 is realized through the left plugging limiting surface. Because the third right plugging unit is arranged in a deviated way relative to the left plugging assembly, the cylinder body 19 may be displaced during the plugging process due to imbalance of left and right forces applied to the cylinder body 19, which may cause unstable testing of the cylinder body 19 or damage to the positioning pin hole of the cylinder body 19, and therefore, the left support cylinder 53 is arranged on the left plugging seat plate 52 relative to the third right plugging unit, so that the forces applied to the cylinder body 19 in the left and right directions can be balanced, and the above situation can be avoided.
As shown in fig. 7 and 15, the front plugging mechanism 5 includes a front mounting seat 58 fixed on the mounting frame 4, a front plugging cylinder 59 fixed on the front mounting seat 58, a front plugging seat plate 60 arranged at the output end of the front plugging cylinder 59, and a front plugging assembly arranged on the front plugging seat plate 60; the front plugging assembly comprises a front elastic plug 61 and a front plugging plate 62, a front sealing groove 63 is formed in the front plugging plate 62, a sealing gasket is arranged in the front sealing groove 63 and protrudes out of the front sealing groove 63, a front plugging limiting surface is formed on the surface of the front plugging plate 62, which is provided with the front sealing groove 63, and plugging limitation of the front side surface 64 of the cylinder body 19 is realized through the front plugging limiting surface; an inflation hole 65 is formed in the inner side of the area enclosed by the front sealing groove 63, the inflation hole 65 penetrates through the side face of the front sealing groove 63, and the front elastic plug 61 is a polyurethane part.
The rear side of the cylinder body 19 has no position to be blocked, and therefore the rear support mechanism 6 is disposed on the rear side of the cylinder body 19, as shown in fig. 8, the rear support mechanism 6 includes a rear mounting seat 66 fixed on the mounting frame 4, a first rear support cylinder 67 fixed on the rear mounting seat 66, a rear support seat plate 68, and two second rear support cylinders 69 disposed on the rear support seat plate 68, and the first rear support cylinder 67 drives the rear support seat plate 68 to move in the front-rear direction.
By adopting the technical scheme, the cylinder body 19 is arranged on the bracket 2, then the cylinder body is moved to the lower part of the plugging area through the sliding table 1, the lower plugging plate 11 of the plugging mechanism 9 is lifted to lift the bottom of the cylinder body 19 and lift the cylinder body 19 to the plugging area, at the moment, the top and the bottom of the cylinder body 19 are respectively sealed by the upper plugging mechanism and the lower plugging mechanism, then the front plugging mechanism 5, the rear supporting mechanism 6, the left plugging mechanism 7 and the right plugging mechanism 8 are driven to move towards the direction of the cylinder body 19 and plug the side surface of the cylinder body 19, the reliable sealing of the cylinder body 19 in all directions is realized, the accuracy of a leakage test is improved, the consistency of the compression amount of polyurethane and the sealing strip in each sealing is ensured by arranging the first limiting mechanism, the upper limiting block 28, the right plugging limiting surface, the left plugging limiting surface and the front plugging limiting surface, in addition, each plug is made of polyurethane material, the change of the temperature has little influence on the change of the compression amount of the polyurethane plug, the CPK value of the equipment can meet the preset requirement under different conditions, and the consistency of the test result is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a cylinder body leakage tester which characterized in that: comprises a frame, a sliding table arranged on the frame, a bracket arranged on the sliding table and capable of moving on the sliding table, a longitudinal plugging device arranged on the frame and a lateral plugging device arranged on the frame;
the lateral plugging device comprises a front plugging mechanism, a rear supporting mechanism, a left plugging mechanism and a right plugging mechanism, and a plugging area is formed among the front plugging mechanism, the rear supporting mechanism, the left plugging mechanism and the right plugging mechanism;
vertical plugging device of saying is including lifting shutoff mechanism and top shutoff mechanism, top shutoff mechanism sets up on the mounting bracket and is located the top in shutoff district, it installs on the base and is located the below in shutoff district to lift shutoff mechanism, the slip table sets up on the base just the one end of slip table extends to the below in shutoff district, it establishes in the below of bracket to lift shutoff mechanism, lifts shutoff mechanism and includes lower shutoff board, the bracket corresponds and lifts the shutoff board is provided with and keeps away the vacancy down.
2. The cylinder leakage tester according to claim 1, characterized in that: the lifting plugging mechanism comprises a lifting cylinder, a lower plugging plate arranged at the end part of an output shaft of the lifting cylinder and a plurality of guide rods connected with the lower plugging plate, the lifting cylinder is fixed on a base, the output shaft of the lifting cylinder extends upwards, a guide sleeve is fixedly arranged on the base, the top of each guide rod is fixedly connected with the lower plugging plate, the bottom end of each guide rod penetrates through the guide sleeve, and a first limiting mechanism for limiting the formation of the lifting cylinder is arranged at the bottom end of each guide rod;
the cylinder hole locating pin that is provided with down the seal groove on the lower shutoff board and is arranged in stretching into the cylinder hole of cylinder body, the trend of seal groove matches with the shape of the bottom surface of cylinder body down, be provided with sealed the pad in the seal groove down, sealed the outside of protruding seal groove down, cylinder hole locating pin is provided with two.
3. The cylinder leakage tester according to claim 2, characterized in that: first stop gear is including establishing the screw rod and the stop nut of threaded connection on the screw rod in the guide bar bottom, stop nut's side is provided with the locking breach that extends to stop nut inner bore department, the locking breach is close to stop nut's terminal surface, stop nut's terminal surface is provided with the mounting hole, the locking breach is provided with the screw hole on keeping away from the lateral wall of terminal surface, is provided with the bolt in the mounting hole, the bolt passes locking breach and screw hole threaded connection and makes the locking breach warp, and then makes stop nut fix the assigned position on the screw rod.
4. The cylinder leakage tester according to claim 1, characterized in that: the top plugging mechanism comprises an upper plugging plate, an upper sealing groove unit, a sealing gasket, a plurality of first upper filling pieces, a second upper filling piece, an upper elastic plug, a plurality of upper arc-shaped plugs and a plurality of upper limiting blocks, wherein the first upper filling pieces are used for extending into cylinder holes of the cylinder body and filling spaces in the cylinder holes;
the upper sealing groove comprises two upper sealing grooves which are arranged at intervals in the front-back direction, the upper sealing grooves extend to the edge positions of the left end and the right end of the upper sealing plate, and an upper sealing area is formed between the two upper sealing grooves; the utility model discloses a packing structure, including packing, first last packing, second, last filler, last elasticity end cap, last arc end cap and a plurality of spacing piece set up the bottom at last shutoff board, filler nylon finished piece on first last filler and the second, a plurality of first length direction intervals that go up the filler along last shutoff board set up, first last filler includes the filler mount pad and sets up the lug in last filler mount pad bottom, it passes through the fastener and fixes on last shutoff board to go up the filler mount pad, the filler setting is in the position that is close to right shutoff mechanism one end on the second, the filler is the vertical filler board that sets up downwards on the second.
5. The cylinder leakage tester according to claim 4, wherein: the upper arc-shaped plugs and the first upper filling pieces are arranged at intervals along the left and right direction of the upper plugging plate, the upper limiting blocks are distributed on the outer side of the upper sealing area, and the upper limiting blocks are copper pieces;
the bottom of the upper plugging plate, which is positioned in the upper sealing area, is provided with an exhaust hole, and the exhaust hole penetrates through the side surface of the upper plugging plate.
6. The cylinder leakage tester according to claim 1, characterized in that: the right plugging mechanism comprises a right mounting seat, a right plugging air cylinder, a right plugging base plate and a right plugging assembly, the right mounting seat is fixed to the mounting frame, the right plugging air cylinder is arranged on the back face of the right plugging base plate, and the output end of the right plugging air cylinder is connected with the right mounting seat.
7. The cylinder leakage tester according to claim 6, wherein: the right plugging component comprises a first right plugging unit, a second right plugging unit, a third right plugging unit, an elastic right plugging unit and a sealing sleeve right plugging unit;
the first right plugging unit comprises a right plugging plate, a first right sealing groove arranged on the right plugging plate and a sealing gasket arranged in the first right sealing groove, the sealing gasket protrudes out of the first right sealing groove, and a right plugging limiting surface is formed by the surface of the right plugging plate provided with the first right sealing groove; the second right plugging unit comprises a first right plugging block and a first right plug, the first right plugging block is installed on the right plugging base plate through a compression spring, and the first right plug is installed on the first right plugging block through the compression spring; the third right plugging unit comprises a second right plugging block and a second right plug, a compression spring is arranged between the second right plugging block and the right plugging base plate, the compression spring is arranged between the second right plug and the second right plugging block, a second right sealing groove is formed in the end face of the second right plugging block, a sealing gasket is arranged in the second right sealing groove, and the sealing gasket protrudes out of the second right sealing groove; the right sealing sleeve plugging unit comprises a guide pillar, a sealing sleeve arranged on the guide pillar and a compression spring arranged between the sealing sleeve and the right plugging seat plate, and a sealing ring is arranged on the sealing sleeve; the right elastic plugging unit comprises a right third plug, the right third plug is connected with the right plugging base plate in a sliding mode through a connecting rod, a compression spring is arranged between the right third plug and the right plugging base plate, and the right first plug, the right second plug and the right third plug are made of polyurethane.
8. The cylinder leakage tester according to claim 7, wherein: the left plugging mechanism comprises a left mounting seat fixed on the mounting frame, a left plugging air cylinder fixed on the left mounting seat, a left plugging seat plate arranged at the output end of the left plugging air cylinder, a left plugging assembly arranged on the left plugging seat plate and a left support air cylinder arranged on the left plugging seat plate and opposite to the third right plugging unit;
the left side shutoff subassembly includes left shutoff board and two left elasticity end caps, be provided with left seal groove on the shutoff board of a left side, be provided with sealed the pad in the seal groove of a left side, sealed outside of protruding to left seal groove of pad, the face that left seal groove was installed to left side shutoff board forms the spacing face of left shutoff, left side elasticity end cap is the polyurethane finished piece.
9. The cylinder leakage tester according to claim 1, characterized in that: the front plugging mechanism comprises a front mounting seat fixed on the mounting frame, a front plugging air cylinder fixed on the front mounting seat, a front plugging seat plate arranged at the output end of the front plugging air cylinder and a front plugging component arranged on the front plugging seat plate;
the front plugging assembly comprises a front elastic plug and a front plugging plate, a front sealing groove is formed in the front plugging plate, a sealing gasket is arranged in the front sealing groove, the sealing gasket protrudes out of the front sealing groove, and a front plugging limiting surface is formed on the surface of the front plugging plate, which is provided with the front sealing groove; the inside that preceding seal groove encloses into the region is provided with the inflation hole, the side of preceding seal groove is link up to the inflation hole, preceding elasticity end cap is the polyurethane finished piece.
10. The cylinder leakage tester according to claim 1, characterized in that: the rear supporting mechanism comprises a rear mounting seat fixed on the mounting frame, a first rear supporting cylinder, a rear supporting seat plate and two second rear supporting cylinders, wherein the first rear supporting cylinder and the rear supporting seat plate are fixed on the rear mounting seat, the two second rear supporting cylinders are arranged on the rear supporting seat plate, and the first rear supporting cylinder drives the rear supporting seat plate to move in the front-rear direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110541961.3A CN113063548A (en) | 2021-05-18 | 2021-05-18 | Cylinder body leakage tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110541961.3A CN113063548A (en) | 2021-05-18 | 2021-05-18 | Cylinder body leakage tester |
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| Publication Number | Publication Date |
|---|---|
| CN113063548A true CN113063548A (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110541961.3A Pending CN113063548A (en) | 2021-05-18 | 2021-05-18 | Cylinder body leakage tester |
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| CN (1) | CN113063548A (en) |
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