CN113607355A - Pressure test detection device for air storage cylinder - Google Patents
Pressure test detection device for air storage cylinder Download PDFInfo
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- CN113607355A CN113607355A CN202111179104.XA CN202111179104A CN113607355A CN 113607355 A CN113607355 A CN 113607355A CN 202111179104 A CN202111179104 A CN 202111179104A CN 113607355 A CN113607355 A CN 113607355A
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- 238000003860 storage Methods 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 97
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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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
- G01M3/32—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 containers, e.g. radiators
- G01M3/3281—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 containers, e.g. radiators removably mounted in a test cell
- G01M3/329—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 containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
Abstract
The invention relates to sealing detection equipment, in particular to an air storage cylinder pressure test detection device which comprises a base, an installation plate vertically fixed on the base, a fixing mechanism, a driving assembly, a sealing assembly, an inflation structure, a pressing assembly and an indication structure, wherein the installation plate is used for installing the air storage cylinder; the fixing mechanism can fix air cylinders with different diameters, and the sealing assembly can press and seal an air port at the top of the air cylinder; when the air storage cylinder is inflated by the inflation structure, the sealing assembly is driven to further press the top of the air storage cylinder, a certain amount of gas is filled into the air storage cylinder and kept for a period of time, and whether the air storage cylinder leaks or not is judged by observing the detection result of the indication structure; the sealing assembly seals and seals the air port in the top of the air storage cylinder, air is filled into the air storage cylinder by the aid of the air inflation assembly after the air storage cylinder is sealed and sealed, sealing pressure of the sealing assembly and the air port of the air storage cylinder is increased by the aid of the pressing assembly, and finally whether the internal air pressure changes or not is detected by the aid of the indication structure, so that air tightness is detected.
Description
Technical Field
The invention relates to sealing detection equipment, in particular to a pressure test detection device for an air storage cylinder.
Background
The gas consumption places on the truck are many, the gas consumption places are as small as a whistle and as large as a brake, and if the gas storage cylinder is not arranged, the gas supply quantity provided by the air compressor is far insufficient; at this moment, the air provided by the air compressor needs to be stored in the air storage cylinder and is used at a critical moment.
The air cylinder is an air storage device in an automobile braking system, is mainly used for storing air compressed by an air compressor (air pump) and is used for systems such as automobile braking, whistle and the like, so that the requirement on the sealing performance is high, the air cylinder is required to be ensured not to leak during production and processing, and after finished product processing is finished, pressure is required to be applied for detection, and the air cylinder is ensured to bear certain pressure.
Most of the existing pressure detection means are carried out in a water pressure detection mode, the tightness of the pressure detection means is estimated by detecting the amount of water, but the water liquid is attached to the cylinder body, and extra evaporation and measurement errors are added, so that the detection with higher precision cannot be realized.
Disclosure of Invention
The invention aims to provide a pressure test detection device for an air storage cylinder, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an air receiver pressure testing detection device, includes the base and vertically fixes mounting panel on the base, the device still includes:
the fixing mechanism is arranged on the base and used for fixing the finished product air cylinder on the base;
the driving assembly is arranged between the mounting plate and the fixing mechanism and used for driving the fixing mechanism to act to fix the air cylinder;
the sealing assembly is arranged above the fixing mechanism and connected with the mounting plate, and the sealing assembly is used for plugging an air port in the top of the air storage cylinder;
the inflation structure is arranged on the mounting plate and communicated with the sealing assembly, and is used for filling air into the air storage cylinder after the sealing assembly blocks the top of the air storage cylinder;
the compressing assembly is connected with the inflating structure and the sealing assembly, and drives the sealing assembly to further compress the top of the air cylinder when the inflating structure inflates the air cylinder;
the indication structure is arranged on the pressing component and used for detecting the pressure in the air storage cylinder.
As a further scheme of the invention: the fixing mechanism includes:
the cylinder seat is vertically fixed on the base and provided with an opening;
the fixed disc is fixed on the outer wall of the cylinder seat, and a rotary groove is formed in the inner side of the fixed disc;
the rotating ring is rotatably sleeved on the fixed disc, a circle of flange is arranged at the bottom of the rotating ring, and the flange is rotatably embedded in the rotating groove; and
and the extrusion structure is arranged between the periphery of the upper edge of the cylinder seat and the inner side of the rotating ring.
As a still further scheme of the invention: the extrusion structure includes:
the rotary ring comprises a rotary ring, a plurality of convex blocks and a plurality of connecting rods, wherein the plurality of convex blocks are fixed on the inner wall of the rotary ring along the circumference and are provided with a side face in circular arc transition;
the upper edge of the cylinder seat is circumferentially provided with a plurality of through holes, and each through hole is fixedly provided with a through penetrating sleeve;
the clamping rod is in sliding fit with the penetrating sleeve, and a fixed wheel is rotatably arranged at one end, pointing to the axis of the cylinder seat, of the clamping rod; and
and the guide wheel is rotatably arranged at the other end of the clamping rod and is in rolling fit with the side face of the convex block.
As a still further scheme of the invention: the drive assembly includes:
the driving screw rod is horizontally and rotatably arranged on the mounting plate, and a first rotating wheel is fixed at one end of the driving screw rod;
the center of the movable block is provided with a through hole, the inner wall of the through hole is provided with an internal thread matched with the driving screw rod, and one side of the movable block is in sliding fit with the surface of the mounting plate;
a plurality of straight teeth are uniformly distributed on one side of the movable block facing the rotating ring, and form a rack;
circumference tooth, circumference tooth also is a plurality of to fix along the circumference equidistance the outer wall of change, the fixed circumference tooth of a plurality of circumference equidistance forms circular arc section rack on the outer wall of change.
As a still further scheme of the invention: the seal assembly includes:
the connecting arm is connected with the mounting plate, a hoop is fixed at one end of the connecting arm, and a sealing element is sleeved on the hoop;
the other end of the connecting arm is fixed with the screw sleeve, and the inner wall of the screw sleeve is provided with internal threads;
the compression screw rod is matched with the screw sleeve and is rotatably installed on the installation plate, and a second rotating wheel is fixed at the top of the compression screw rod;
the lug boss is integrally arranged on the connecting arm and matched with the through groove arranged on the mounting plate.
As a still further scheme of the invention: the inflatable structure includes:
the cylinder is arranged below the mounting plate, a sealing plate is arranged in the cylinder in a sealing and sliding manner, and an air inlet nozzle and an air outlet nozzle are respectively arranged at the upper part and the lower part of one side of the cylinder;
the piston rod is fixed on the sealing plate, a hole for the piston rod to pass through is formed in the top of the air cylinder, and the piston rod is connected with the hole in a sealing and sliding mode;
and the air pipe penetrates through the sealing piece and is communicated with an air outlet nozzle of the air cylinder.
As a still further scheme of the invention: the compression assembly comprises:
the lifting plate is fixed at the upper end of the piston rod, a plurality of straight teeth are fixed on one side of the lifting plate at equal intervals, and a guide rod vertically matched with the lifting plate in a sliding manner is fixed on the mounting plate;
the gear is matched with the straight teeth on the lifting plate, a first rotating shaft is rotatably mounted on the mounting plate, and the gear is fixed on the first rotating shaft;
the first bevel gear is rotatably arranged on the mounting plate through a second rotating shaft;
the second bevel gear is fixed at the lower end of the compression screw rod and is meshed with the first bevel gear;
and the transmission belt is connected with the first rotating shaft and the second rotating shaft.
As a still further scheme of the invention: the indicating structure includes:
the sealing tube penetrates through the sealing element, and two ends of the sealing tube are communicated;
the sealing plug is hermetically and slidably sleeved at the lower part of the sealing tube;
the detection rod is fixed on the sealing plug and penetrates through the upper end of the sealing pipe;
the pressure spring is sleeved on the detection rod, the lower end of the pressure spring is abutted to the sealing plug, and the upper end of the pressure spring is abutted to the inner wall of the sealing pipe.
Compared with the prior art, the invention has the beneficial effects that: the cylindrical air cylinder can be clamped and fixed along the circumference by the aid of the arranged fixing mechanism matched with the driving assembly, so that the stability is better, and the air cylinder clamping device can be suitable for air cylinders with different specifications and diameters; utilize seal assembly to carry out the sealing shutoff to the gas port at gas receiver top, fill gas in to the gas receiver with the help of gas charging assembly after the shutoff, along with the increase of the gas volume in the gas receiver, through the sealing pressure of compressing tightly subassembly increase seal assembly and gas receiver gas port, utilize at last to instruct the structure to detect whether inside atmospheric pressure changes, detect the gas tightness of gas receiver, have the characteristics that the precision is high.
Drawings
FIG. 1 is a schematic structural view of an air cylinder pressure test detection device;
FIG. 2 is a schematic structural view of another view angle of the air cylinder pressure test device;
FIG. 3 is a schematic structural view of the air reservoir pressure test device after the swivel is removed from the stationary disk;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic structural diagram of a ferrule, a sealing member and a threaded sleeve in the air cylinder pressure test detection device;
fig. 6 is an exploded view of an indicating structure in the air cylinder pressure test detecting device.
In the figure: 1-a base; 2-a cylinder seat; 3, fixing the disc; 4-rotating; 5-a bump; 6-sleeving; 7-clamping rods; 8-a fixed wheel; 9-a guide wheel; 10-turning a groove; 11-a mounting plate; 12-a drive screw; 13-a movable block; 14-a first wheel; 15-cylinder; 16-a piston rod; 17-a lifter plate; 18-a guide bar; 19-trachea; 20-a seal; 21-a gear; 22-a transmission belt; 23-a first bevel gear; 24-a second bevel gear; 25-a hold down screw; 26-a second wheel; 27-a thread insert; 28-a linker arm; 29-a boss; 30-groove penetration; 31-a cuff; 32-a sealed tube; 33-a sealing plug; 34-a pressure spring; 35-detecting rod.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 6, in an embodiment of the present invention, an air cylinder pressure test detection apparatus includes a base 1 and an installation plate 11 vertically fixed on the base 1, and the apparatus further includes a fixing mechanism, a driving assembly, a sealing assembly, an inflation structure, a pressing assembly, and an indication structure; the fixing mechanism is arranged on the base 1 and used for fixing the finished air cylinder on the base 1, and the fixing mechanism can vertically fix cylindrical air cylinders with different diameters;
the driving assembly is arranged between the mounting plate 11 and the fixing mechanism and used for driving the fixing mechanism to act to fix the air storage cylinder, the driving assembly can drive the fixing mechanism to act in a forward direction to clamp the air storage cylinder along the circumference, and the air storage cylinder cannot be loosened after being clamped; correspondingly, the driving component can also drive the fixing mechanism to reversely act, and the clamped air storage cylinder can be loosened during the reverse action so as to be conveniently taken down from the base 1;
the sealing assembly is arranged above the fixing mechanism and connected with the mounting plate 11, the sealing assembly is used for blocking an air port at the top of the air storage cylinder, and the air port at the top of the air storage cylinder can be pressed and sealed through the sealing assembly as the air ports are generally formed in the top of the air storage cylinder and compressed air can enter the air storage cylinder;
the inflation structure is arranged on the mounting plate 11 and communicated with the sealing assembly, the inflation structure is used for filling air into the air storage cylinder after the sealing assembly seals the top of the air storage cylinder, and when the sealing performance of the air storage cylinder is detected, the inflation structure is used for filling air into the air storage cylinder, so that the internal air pressure is increased, and the air tightness of the air storage cylinder is detected more accurately under a high-pressure environment;
the compressing assembly is connected with the inflating structure and the sealing assembly, and drives the sealing assembly to further compress the top of the air cylinder when the inflating structure inflates air into the air cylinder, so that leakage is prevented from being generated after the pressure inside the air cylinder is increased;
the indication structure is arranged on the pressing assembly and used for detecting the pressure in the air storage cylinder, a certain amount of gas is filled into the air storage cylinder and kept for a period of time, whether the air storage cylinder leaks or not is judged by observing the result of detection of the indication structure, if the air pressure value detected by the indication structure is continuously reduced, the air storage cylinder is indicated to have leakage, and if the air pressure value detected by the indication structure is kept unchanged for a period of time, the air storage cylinder is indicated not to have leakage.
In the embodiment of the invention, the cylindrical air storage cylinder can be clamped and fixed along the circumference by the aid of the arranged fixing mechanism matched with the driving assembly, so that the stability is better, and the air storage cylinder can adapt to air storage cylinders with different specifications and diameters; utilize seal assembly to carry out the sealing shutoff to the gas port at gas receiver top, fill gas in to the gas receiver with the help of inflation assembly after the shutoff, along with the increase of the gas volume in the gas receiver, through the sealing pressure of compressing tightly subassembly increase seal assembly and gas receiver gas port, utilize at last to instruct the structure to detect whether inside atmospheric pressure changes, detect the gas tightness of gas receiver.
As an embodiment of the invention, the fixing mechanism comprises a cylinder seat 2, a fixed disc 3, a rotating ring 4 and an extrusion structure; the cylinder seat 2 is vertically fixed on the base 1, an opening is formed in the cylinder seat 2, and when the air cylinder needs to be detected, the air cylinder is placed in the cylinder seat 2 and penetrates through the opening in the upper portion of the cylinder seat 2; the fixed disk 3 is fixed on the outer wall of the cylinder seat 2, and the inner side of the fixed disk 3 is provided with a rotary groove 10;
the rotating ring 4 is rotatably sleeved on the fixed disk 3, a circle of flange is arranged at the bottom of the rotating ring 4, the flange is rotatably embedded in the rotating groove 10, and the rotating ring 4 can only rotate around the fixed disk 3 and cannot slide along the axial direction through the matching of the rotating groove 10 and the flange; extrusion structure, extrusion structure set up in the upper reason periphery of barrel holder 2 and change 4 inboards between, extrusion structure can be fixed with the gas receiver of placing on barrel holder 2 when change 4 clockwise turning to it is fixed to press from both sides along the circumference clamp, and stability is high.
In the embodiment of the present invention, the rotating ring 4 can only rotate but cannot vertically slide relative to the fixed disk 3 and the cartridge 2 under the action of the rotating groove 10 on the fixed disk 3, so that the rotating ring 4 is prevented from slipping off the fixed disk 3, and the overall structure is kept stable.
As an embodiment of the present invention, an extrusion structure includes: the clamping device comprises a plurality of lugs 5, a penetrating sleeve 6, clamping rods 7 and guide wheels 9, wherein the lugs 5 are fixed on the inner wall of the rotating ring 4 along the circumference, and each lug 5 is provided with a side face in circular arc transition; a plurality of through holes are formed in the upper edge of the cylinder seat 2 along the circumference, and a through penetrating sleeve 6 is fixed on each through hole; the axis of the penetrating sleeve 6 points to the axis of the cylinder seat 2; the clamping rod 7 is in sliding fit with the penetrating sleeve 6, a fixed wheel 8 is rotatably arranged at one end, pointing to the axis of the cylinder base 2, of the clamping rod 7, the fixed wheel 8 is used for replacing the end part of the clamping rod 7 to be directly contacted with the outer wall of the air cylinder, and the outer wall of the air cylinder is prevented from being scratched;
guide pulley 9 rotates and installs the other end at holding rod 7 to roll the laminating with the side of lug 5, guide pulley 9 drives holding rod 7 through lug 5 when swivel 4 clockwise turning and is close to the gas receiver, and the fixed pulley 8 through holding rod 7 tip contacts with the outer wall of gas receiver and fixes it.
In the embodiment of the invention, as the clamping rods 7 and the fixed wheels 8 are multiple, when the rotating ring 4 rotates, the plurality of lugs 5 can be driven to simultaneously drive the plurality of clamping rods 7 to approach to the axis of the cylinder seat 2, and finally the air storage cylinder placed in the cylinder seat 2 is fixed by the fixed wheels 8 at the end parts of the clamping rods 7;
in addition, the projection 5 has a rounded side, so that the projection 5 drives the clamping rod 7 and the fixed wheel 8 to slowly clamp the air cylinder, and when the rotating ring 4 is not rotated, the air cylinder is completely clamped.
As an embodiment of the invention, the driving assembly comprises a driving screw 12, a movable block 13, straight teeth and circumferential teeth, the driving screw 12 is horizontally and rotatably arranged on the mounting plate 11, a first rotating wheel 14 is fixed at one end of the driving screw 12, and the driving screw 12 can be driven to rotate by rotating the first rotating wheel 14; a through hole is formed in the center of the movable block 13, an internal thread matched with the driving screw 12 is tapped on the inner wall of the through hole, one side of the movable block 13 is in sliding fit with the surface of the mounting plate 11, and the movable block 13 can be driven to move along the axis of the driving screw 12 when the driving screw 12 rotates;
the plurality of straight teeth are uniformly distributed on one side of the movable block 13 facing the rotary ring 4, the plurality of straight teeth form a rack, and when the movable block 13 moves along the axis of the driving screw 12, the rack formed by the plurality of straight teeth moves along with the movable block; the circumference tooth also is a plurality of to fix at the outer wall of swivel 4 along circumference equidistance, and the circumference tooth that a plurality of circumference equidistance are fixed forms circular arc section rack on the outer wall of swivel 4, and circular arc section rack and spur rack cooperation.
In the embodiment of the invention, the first rotating wheel 14 is rotated to drive the driving screw 12 to rotate, the driving screw 12 drives the movable block 13 to move along the axis of the driving screw 12, and because one side of the movable block 13 facing the mounting plate 11 is in sliding fit with the mounting plate 11, the movable block 13 cannot rotate along with the driving screw 12;
and when the movable block 13 moves, the straight rack drives the arc-section rack to rotate around the axis of the cylinder seat 2, so that the rotating ring 4 and the convex block 5 rotate, and the thread transmission has a self-locking function, so that the screw rod 12 and the rotating ring 4 are driven to be not released to relax after the air cylinder is completely clamped.
As an embodiment of the invention, the sealing assembly comprises a connecting arm 28, a threaded sleeve 27, a compression screw 25 and a boss 29, the connecting arm 28 is connected with the mounting plate 11, a hoop 31 is fixed at one end of the connecting arm 28, a sealing member 20 is sleeved on the hoop 31, and the center of the sealing member 20 is positioned on the axis of the cylinder seat 2; a threaded sleeve 27 is fixed at the other end of the connecting arm 28, and internal threads are arranged on the inner wall of the threaded sleeve 27;
the pressing screw rod 25 is matched with the threaded sleeve 27, the pressing screw rod 25 is rotatably arranged on the mounting plate 11, and a second rotating wheel 26 is fixed at the top of the pressing screw rod 25; the lug bosses 29 are integrally arranged on the connecting arm 28, the lug bosses 29 are matched with the through grooves 30 formed in the mounting plate 11, the total number of the lug bosses 29 is four, each lug boss is in a group, each group is two, the lug bosses 29 are arranged in the front and at the back of the connecting arm 28, the front lug bosses 29 are in sliding fit with the front surfaces of the through grooves 30, and the rear lug bosses 29 are in sliding fit with the rear surfaces of the through grooves 30.
In the embodiment of the present invention, since two sets of four protrusions 29 are provided, the connecting arm 28 can be slidably engaged with the through groove 30 through the protrusions 29, that is, the connecting arm 28 can only slide up and down along the through groove 30;
when the second rotating wheel 26 is rotated, the compressing screw rod 25 can be driven to rotate, so that the threaded sleeve 27 is driven to move up and down, the connecting arm 28 moves up and down along with the movement, the connecting arm 28 moving up and down drives the hoop 31 and the sealing element 20 to move up and down along with the movement, and the air port at the top of the air storage cylinder can be blocked.
As an embodiment of the present invention, the inflation structure includes a cylinder 15, a piston rod 16, an air tube 19; the cylinder 15 is arranged below the mounting plate 11, a sealing plate (not shown in the figure) is arranged in the cylinder 15 in a sealing and sliding manner, and an air inlet nozzle and an air outlet nozzle are respectively arranged at the upper part and the lower part of one side of the cylinder 15; the piston rod 16 is fixed on the sealing plate, a hole for the piston rod 16 to pass through is formed in the top of the cylinder 15, the piston rod 16 is connected with the hole in a sealing and sliding mode, and the air pipe 19 penetrates through the sealing element 20 and is communicated with an air outlet nozzle of the cylinder 15.
In the embodiment of the invention, a pressure pump is used for pumping gas into the cylinder 15 through the gas inlet nozzle, so that the pressure below the inside of the cylinder 15 is increased, the sealing plate is driven to move upwards, the sealing plate drives the piston rod 16 to extend upwards, meanwhile, the gas above the inside of the cylinder 15 is discharged through the gas outlet nozzle through the gas pipe 19, and when the sealing element 20 is tightly sealed at the gas port at the top of the gas storage cylinder, the gas discharged from the gas pipe 19 enters the gas storage cylinder, so that the pressure in the gas storage cylinder is increased.
As an embodiment of the present invention, the pressing assembly includes a lifting plate 17, a gear 21, a first bevel gear 23, a second bevel gear 24, and a transmission belt 22, the lifting plate 17 is fixed on the upper end of the piston rod 16, a plurality of straight teeth are fixed on one side of the lifting plate 17 at equal intervals, and a guide rod 18 vertically sliding-fitted with the lifting plate 17 is fixed on the mounting plate 11; the gear 21 is matched with straight teeth on the lifting plate 17, a first rotating shaft is rotatably arranged on the mounting plate 11, and the gear 21 is fixed on the first rotating shaft; the first bevel gear 23 is rotatably arranged on the mounting plate 11 through a second rotating shaft; a second bevel gear 24 is fixed at the lower end of the hold-down screw 25, and the second bevel gear 24 is engaged with the first bevel gear 23; the belt 22 connects the first and second shafts.
In the embodiment of the invention, when the air cylinder 15 pumps air into the air storage cylinder through the air pipe 19, the piston rod 16 moves upwards under the action of the sealing plate, after the piston rod moves to the point that the straight teeth on the side surface of the lifting plate 17 are meshed with the gear 21, the lifting plate 17 continues to move upwards, so that the gear 21 rotates, the gear 21 drives the first rotating shaft to rotate, the second rotating shaft is driven to rotate under the action of the transmission belt 22, the second rotating shaft drives the first bevel gear 23 to rotate, and finally, the second bevel gear 24 and the compression screw 25 rotate, so that the sealing assembly further compresses and compacts the air port at the top of the air storage cylinder.
As an embodiment of the present invention, the indicating structure includes a sealing tube 32, a sealing plug 33, a detecting rod 35, and a pressure spring 34, the sealing tube 32 passes through the sealing element 20, two ends of the sealing tube 32 are communicated, the sealing plug 33 is hermetically and slidably sleeved on a lower portion of the sealing tube 32, the detecting rod 35 is fixed on the sealing plug 33 and passes through an upper end of the sealing tube 32; the pressure spring 34 is sleeved on the detection rod 35, the lower end of the pressure spring 34 is abutted against the sealing plug 33, and the upper end of the pressure spring is abutted against the inner wall of the sealing pipe 32.
In the embodiment of the invention, the detection rod 35 is provided with scales, when the gas in the gas storage cylinder increases, the internal gas pressure increases, the gas enters the sealing tube 32 through the lower end of the sealing tube 32 to press the sealing plug 33, the sealing plug 33 moves upwards to compress the pressure spring 34, the detection rod 35 extends out of the upper part of the sealing tube 32, the pressure in the gas storage cylinder can be indirectly read by observing the scales on the detection rod 35, and if the gas storage cylinder has good sealing performance, the scales of the detection rod 35 are not changed within a period of time after the gas storage cylinder stops being inflated; if the leakproofness is not good, because some gas in the gas receiver leaks after stopping aerifing for a period of time, its inside pressure must reduce, can make sealing plug 33 move down under the spring action of pressure spring 34 this moment to make the scale on the measuring rod 35 reduce, it has the leakage defect to draw the gas receiver from this.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an air receiver pressure testing detection device, includes base (1) and vertical the fixing mounting panel (11) on base (1), its characterized in that still includes:
the fixing mechanism is arranged on the base (1) and is used for fixing the finished product air cylinder on the base (1);
the driving assembly is arranged between the mounting plate (11) and the fixing mechanism and is used for driving the fixing mechanism to act to fix the air cylinder;
the sealing assembly is arranged above the fixing mechanism and connected with the mounting plate (11), and the sealing assembly is used for plugging an air port in the top of the air storage cylinder;
the inflation structure is mounted on the mounting plate (11) and communicated with the sealing assembly, and is used for filling air into the air storage cylinder after the sealing assembly blocks the top of the air storage cylinder;
the compressing assembly is connected with the inflating structure and the sealing assembly, and drives the sealing assembly to further compress the top of the air cylinder when the inflating structure inflates the air cylinder;
the indication structure is arranged on the pressing component and used for detecting the pressure in the air storage cylinder.
2. The device for testing the pressure of the air cylinder according to claim 1, wherein the fixing mechanism comprises:
the cylinder seat (2) is vertically fixed on the base (1), and an opening is formed in the cylinder seat (2);
the fixed disc (3) is fixed on the outer wall of the cylinder seat (2), and a rotary groove (10) is formed in the inner side of the fixed disc (3);
the rotating ring (4) is rotatably sleeved on the fixed disc (3), a circle of flange is arranged at the bottom of the rotating ring (4), and the flange is rotatably embedded in the rotating groove (10); and
the extrusion structure is arranged between the periphery of the upper edge of the cylinder seat (2) and the inner side of the rotating ring (4).
3. The pressure testing device for the air cylinder according to claim 2, wherein the pressing structure comprises:
the rotary ring (4) is provided with a plurality of lugs (5), the lugs (5) are fixed on the inner wall of the rotary ring (4) along the circumference, and the lugs (5) are provided with a side face in circular arc transition;
the upper edge of the cylinder seat (2) is provided with a plurality of through holes along the circumference, and each through hole is fixed with a through penetrating sleeve (6);
the clamping rod (7) is in sliding fit with the penetrating sleeve (6), and a fixed wheel (8) is rotatably arranged at one end, pointing to the axis of the barrel seat (2), of the clamping rod (7); and
and the guide wheel (9) is rotatably arranged at the other end of the clamping rod (7) and is in rolling fit with the side surface of the convex block (5).
4. The device for testing the pressure of the air cylinder according to claim 2, wherein the driving assembly comprises:
the driving screw rod (12), the driving screw rod (12) is horizontally and rotatably arranged on the mounting plate (11), and a first rotating wheel (14) is fixed at one end of the driving screw rod (12);
the center of the movable block (13) is provided with a through hole, the inner wall of the through hole is provided with an internal thread matched with the driving screw rod (12), and one side of the movable block (13) is in sliding fit with the surface of the mounting plate (11);
a plurality of straight teeth are uniformly distributed on one side of the movable block (13) facing the rotating ring (4), and form a rack;
circumference tooth, circumference tooth also is a plurality of to fix along the circumference equidistance the outer wall of change (4), the circumference tooth that a plurality of circumference equidistance are fixed forms circular arc section rack on the outer wall of change (4).
5. The device for testing the pressure of the air receiver as claimed in claim 2, wherein the sealing assembly comprises:
the connecting arm (28), the connecting arm (28) is connected with the mounting plate (11), a hoop (31) is fixed at one end of the connecting arm (28), and a sealing element (20) is sleeved on the hoop (31);
the other end of the connecting arm (28) is fixed with the threaded sleeve (27), and the inner wall of the threaded sleeve (27) is provided with an internal thread;
the compression screw rod (25), the compression screw rod (25) is matched with the threaded sleeve (27), the compression screw rod (25) is rotatably installed on the installation plate (11), and a second rotating wheel (26) is fixed at the top of the compression screw rod (25);
the mounting plate comprises a protruding portion (29), the protruding portion (29) is integrally arranged on the connecting arm (28), and the protruding portion (29) is matched with a through groove (30) formed in the mounting plate (11).
6. The device for testing the pressure of the air storage cylinder according to claim 5, wherein the inflation structure comprises:
the air cylinder (15), the said air cylinder (15) is installed below the said mounting plate (11), the sealed sliding has closing plates in the air cylinder (15), there are air inlet nozzles and air outlet nozzles on the upper and lower parts of one side of the air cylinder (15) separately;
the piston rod (16) is fixed on the sealing plate, a hole for the piston rod (16) to penetrate through is formed in the top of the air cylinder (15), and the piston rod (16) is in sealing sliding connection with the hole;
the air pipe (19) penetrates through the sealing piece (20) and is communicated with an air outlet nozzle of the air cylinder (15).
7. The pressure testing device for the air cylinder according to claim 6, wherein the pressing assembly comprises:
the lifting plate (17) is fixed at the upper end of the piston rod (16), a plurality of straight teeth are fixed on one side of the lifting plate (17) at equal intervals, and a guide rod (18) vertically matched with the lifting plate (17) in a sliding manner is fixed on the mounting plate (11);
the gear (21) is matched with straight teeth on the lifting plate (17), a first rotating shaft is rotatably mounted on the mounting plate (11), and the gear (21) is fixed on the first rotating shaft;
a first bevel gear (23), wherein the first bevel gear (23) is rotatably mounted on the mounting plate (11) through a second rotating shaft;
a second bevel gear (24), wherein the second bevel gear (24) is fixed at the lower end of the hold-down screw (25), and the second bevel gear (24) is meshed with the first bevel gear (23);
and the transmission belt (22), wherein the transmission belt (22) is connected with the first rotating shaft and the second rotating shaft.
8. The device for testing the pressure of the air cylinder according to claim 5, wherein the indicating structure comprises:
a sealing tube (32), wherein the sealing tube (32) penetrates through the sealing element (20), and two ends of the sealing tube (32) are communicated;
the sealing plug (33), the said sealing plug (33) is slipped and fitted on the inferior part of the said sealed tube (32) sealingly;
the detection rod (35), the detection rod (35) is fixed on the sealing plug (33) and penetrates through the upper end of the sealing tube (32);
the pressure spring (34), pressure spring (34) cover is established on detection pole (35), the lower extreme of pressure spring (34) with sealing plug (33) butt, the inner wall butt of upper end with sealed pipe (32).
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| CN202111179104.XA CN113607355B (en) | 2021-10-11 | 2021-10-11 | Pressure test detection device for air storage cylinder |
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| CN113607355B (en) | 2022-04-22 |
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Denomination of invention: A pressure testing and detection device for gas storage tanks Granted publication date: 20220422 Pledgee: Shandong Yutai Rural Commercial Bank Co.,Ltd. Pledgor: JINING KANGHUA ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2024980002510 |