CN111458079B - Air tightness detection equipment for hydraulic rubber tube production - Google Patents

Air tightness detection equipment for hydraulic rubber tube production Download PDF

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Publication number
CN111458079B
CN111458079B CN202010295720.0A CN202010295720A CN111458079B CN 111458079 B CN111458079 B CN 111458079B CN 202010295720 A CN202010295720 A CN 202010295720A CN 111458079 B CN111458079 B CN 111458079B
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China
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rubber tube
shaped
hydraulic rubber
hydraulic
plate
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CN111458079A (en
Inventor
苏凤霞
其他发明人请求不公开姓名
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Taizhou Shiwei Auto Parts Manufacturing Co., Ltd
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Taizhou Shiwei Auto Parts Manufacturing Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
    • G01M3/08Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds

Abstract

The invention relates to a hydraulic rubber tube production air tightness detection device which comprises a workbench, a traction and collection device, an air pumping device and a detection device, wherein the traction and collection device is installed on the left side of the upper end of the workbench, the air pumping device is installed on the right side of the upper end of the workbench, the detection device is arranged at the right end of the traction and collection device, and the detection device is installed in the middle of the upper end of the workbench. The invention provides a hydraulic rubber tube production air tightness detection device which can solve the problems that when the air tightness of a hydraulic rubber tube is detected manually, one end of a small section of the hydraulic rubber tube is sealed firstly, then the other end of the hydraulic rubber tube is subjected to inflation detection, the detection process is complicated, when the existing hydraulic rubber tube production device is used for detecting, one end of a section to be detected of the hydraulic rubber tube is sealed firstly and then locked and fixed, air is pumped through an air pump and the like to the section, the hydraulic rubber tube is detected in a manner of being matched with manpower, the unlocking and fixing process of the hydraulic rubber tube is complicated, and the hydraulic rubber tube is easy to crack due to continuous air pumping.

Description

Air tightness detection equipment for hydraulic rubber tube production
Technical Field
The invention relates to the technical field of production of hydraulic rubber tubes, in particular to a device for detecting air tightness in production of hydraulic rubber tubes.
Background
The hydraulic rubber tube is also named as a hydraulic oil tube, a hydraulic hose, a high-pressure rubber tube, a hydraulic tube, a steel wire high-pressure tube and a steel wire woven rubber tube steel wire wound rubber tube, and is generally divided into a steel wire woven hydraulic rubber tube and a steel wire wound hydraulic rubber tube. The hydraulic rubber hose structure: the rubber tube mainly comprises a liquid-resistant synthetic rubber inner rubber layer, a middle rubber layer, a plurality of reinforcing layers and a weather-resistant synthetic rubber outer rubber layer, wherein the inner rubber layer has the functions of enabling a conveying medium to bear pressure and protecting steel wires or wire fibers from being corroded, the reinforcing layers are protected from being damaged by the outer rubber layer, and the reinforcing layers are made of framework materials and are used for ensuring the service pressure of the rubber tube. The hydraulic rubber tube is mainly used for mine hydraulic supports and oil field development, and is suitable for transmission of petroleum-based and water-based liquids with certain pressure and temperature in engineering construction, hoisting transportation, metallurgy forging and pressing, mining equipment agricultural machinery, various machine tools and mechanized and automatic hydraulic systems of various industrial departments. The hydraulic rubber tube is required to ensure good air tightness during transmission.
In actual production and manufacturing, the following problems often exist in the actual operation of detecting the air tightness of the hydraulic rubber hose of the existing hydraulic rubber hose production equipment:
(1) when the air tightness of the hydraulic rubber tube is detected in a manual detection mode, one end of a small section of the hydraulic rubber tube is usually sealed manually, the other end of the hydraulic rubber tube is inflated manually, and the inflated hydraulic rubber tube is detected manually, so that the detection process is complicated, the inflation process is complicated, the detection period is long, and the detection efficiency is low for the hydraulic rubber tube with long length;
(2) when detecting the air tightness of the hydraulic rubber tube, the existing hydraulic rubber tube production equipment usually firstly locks and fixes one end of a section to be detected of the hydraulic rubber tube after sealing, pumps air to the hydraulic rubber tube through an air pump and the like, matches manpower to detect the hydraulic rubber tube, is complex in the unlocking and fixing process of the hydraulic rubber tube, and easily leads to the splitting of the hydraulic rubber tube due to continuous pumping.
In order to make up the defects of the prior art, the invention provides a device for detecting the air tightness in production of a hydraulic rubber tube.
Disclosure of Invention
The technical scheme adopted by the invention to solve the technical problem is as follows: the air tightness detection equipment for hydraulic rubber tube production comprises a workbench, a traction and collection device, an air pumping device and a detection device, wherein the traction and collection device is installed on the left side of the upper end of the workbench, the air pumping device is installed on the right side of the upper end of the workbench, the detection device is arranged at the right end of the traction and collection device, and the detection device is installed in the middle of the upper end of the workbench; wherein:
the traction and collection device comprises a driving motor, a small belt wheel, two mounting plates, a roller, a large belt wheel, a belt and a plug, wherein the rotating motor is mounted on the left side of the upper end of a workbench through a motor mounting plate, the small belt wheel is mounted at the output end of the rotating motor, the mounting plates are symmetrically mounted on the front side and the back side of the left side of the upper end of the workbench, the roller is mounted on the inner side of the mounting plate through a bearing, the large belt wheel is mounted at the front end of the roller, the large belt wheel is connected with the small belt wheel through the belt, the plug is mounted in the front end of the roller, during specific work, one end of a hydraulic rubber tube to be detected is manually mounted on an air pumping device, the other end of the hydraulic rubber tube is wound on a detection device and is connected with the plug, after the hydraulic rubber tube to be detected is fed, the small belt drives the large belt wheel to rotate through the driving motor, and the roller rotates to pull the hydraulic rubber tube to be detected, and in the traction process of the hydraulic rubber tube, gas is pumped into the hydraulic rubber tube to be detected through the gas pumping device, so that the detection device detects whether the hydraulic rubber tube leaks gas, and the air tightness of the hydraulic rubber tube is detected.
The air pumping device comprises an air pump and a connector, the air pump is installed on the right side of the upper end of the installation plate in a threaded connection mode, the connector is installed at the output end of the air pump, and during specific work, one end of a hydraulic rubber tube to be detected is sleeved at the output end of the air pump in a penetrating mode, so that the connector locks and fixes one end of the hydraulic rubber tube to be detected at the output end of the air pump, and the air pumping device can not be interrupted in the detection process.
The detection device comprises a water tank, a feeding clamping mechanism, a winding mechanism and a discharging draining mechanism, the water tank is installed at the middle part of the upper end of the workbench in a welding mode, the feeding clamping mechanism is installed on the right side of the upper end of the water tank, the discharging draining mechanism is installed on the left side of the upper end of the water tank, the water tank works in a concrete mode, a proper amount of clean water is added into the water tank through manual work, the air tightness of the hydraulic rubber pipe is detected, the feeding clamping mechanism is sequentially passed through one end of the hydraulic rubber pipe by manual work, the winding mechanism and the discharging draining mechanism are convenient to detect the air tightness of the winding of the hydraulic rubber pipe, the roller is driven by a driving motor to pull and collect the hydraulic rubber pipe, the hydraulic rubber pipe sequentially passes through the water tank, and the air tightness of the hydraulic rubber pipe is detected.
The winding mechanism comprises two reversing wheels, an installation block, a hollow installation shaft, a lifting rod, a winding wheel, a reset spring, a limiting block and two limiting plates, the reversing wheels are installed at the left end and the right end of the water tank and are arranged along the diagonal line, the installation block is installed at the middle part of the inner side of the water tank, the hollow installation shaft is installed at the upper end of the installation block through a bearing, the lifting rod is installed inside the hollow installation shaft in a sliding fit mode, the winding wheel is installed at the middle part of the lifting rod through a bearing, the reset spring is arranged between the lifting rod and the hollow installation shaft, the limiting block is welded at the upper end of the lifting rod, the limiting plates are symmetrically installed at the left end and the right end of the water tank, when the winding mechanism works in detail, a hydraulic rubber pipe penetrates through the reversing wheel manually, the lifting rod is pulled upwards through the manual operation, the hydraulic rubber pipe is wound on the winding wheel, after the winding of the hydraulic rubber pipe is finished, the lifting rod is loosened, and the reset spring drives the lifting rod to descend and reset, thereby make the lifter drive the stopper and descend, and then make the stopper spacing at the winding wheel with the hydraulic pressure rubber tube that the winding was accomplished, and carry out spacing direction through the limiting plate to unsettled hydraulic pressure rubber tube between the winding wheel, avoid the hydraulic pressure rubber tube to produce less, less bubble laminating and adsorb in the pond bottom surface, lead to hydraulic pressure rubber tube gas tightness testing result to appear the deviation, influence the use of hydraulic pressure rubber tube.
As a preferred technical scheme of the invention, the plug comprises a conical sleeve, a steel ball, an adjusting spring and a locking solenoid, the conical sleeve is installed inside the roller in a welding mode, the steel ball is installed inside the conical sleeve in a sliding fit mode, the left end of the steel ball is connected with the roller through the adjusting spring, the adjusting spring plays the role of limiting protection and resetting, the locking solenoid is installed at the right end of the roller in a threaded fit mode, when the plug works, a hydraulic rubber tube penetrates through the locking solenoid and is sleeved on the conical sleeve manually, after the hydraulic rubber tube is sleeved, the locking solenoid is rotated manually, so that one end of the hydraulic rubber tube is locked and fixed on the roller by the locking solenoid, and in the process that an air pump pumps air into the hydraulic rubber tube, the adjusting spring is extruded by the steel ball to move left, so that the gas in the hydraulic rubber tube is discharged intermittently, and the phenomenon that the air pressure in the hydraulic rubber tube is too high, causing the hydraulic hose to break.
As a preferred technical scheme of the invention, the left end of the conical sleeve is uniformly provided with vent holes along the circumferential direction, and the steel ball extrudes the adjusting spring to move left, so that the gas in the hydraulic rubber tube is intermittently discharged through the vent holes.
As a preferred technical scheme of the invention, the feeding clamping mechanism comprises two supporting plates, a feeding wheel, a U-shaped plate, two arc-shaped plates, two extrusion springs, a locking block, a plug, two locking rods and two locking springs, the supporting plates are symmetrically arranged on a water pool in front and back, the feeding wheel is arranged between the supporting plates through a bearing, the U-shaped plate is arranged at the upper end of a front side supporting plate through a hinge, the arc-shaped plates are symmetrically arranged at the upper end of the feeding wheel in front and back, the arc-shaped plates are arranged on the inner side of the U-shaped plate in a sliding fit manner, the upper ends of the arc-shaped plates are connected with the U-shaped plate through the extrusion springs, the extrusion springs play a role in locking limit and reset, the locking block is arranged at the rear end of the U-shaped plate, the plug is arranged at the lower ends of the locking blocks, the locking rods are symmetrically arranged at the left end and the right end of the plug, the locking springs are sleeved outside the locking rods, and the locking springs play a role in locking fixation and resetting role, during specific work, the U-shaped plate is rotated upwards through manual work, so that the locking rod unlocks the plug, the hydraulic rubber tube is placed on the feeding wheel, and after the hydraulic rubber tube is placed and completed, the locking rod locks and clamps the plug through the U-shaped plate rotated reversely through manual work, so that the feeding wheel and the arc plate are fixed in a limiting mode, and the situation that the feeding wheel is separated from the arc plate in the traction feeding process is avoided.
As a preferred technical scheme of the invention, the outer side of the arc-shaped plate is provided with the dovetail block, the dovetail block is arranged in the U-shaped plate in a sliding fit manner, and the dovetail block plays a role in limiting and guiding the arc-shaped plate.
As a preferred technical scheme of the invention, the discharging and draining mechanism comprises a U-shaped mounting plate, two connecting plates, a discharging wheel, a pressing plate, a T-shaped block, a pressing spring and a water scraping ring, wherein the U-shaped mounting plate is arranged on the left side of the upper end of a water pool, the connecting plates are symmetrically arranged at the front and back of the lower end inside the U-shaped mounting plate, the connecting plates are arranged on the water pool, the discharging wheel is arranged between the connecting plates through a bearing, the pressing plate is arranged at the upper end of the discharging wheel, the T-shaped block is symmetrically arranged at the front and back of the pressing plate and is arranged at the upper end of the inner side of the U-shaped mounting plate in a sliding fit manner, the T-shaped block plays a role in limiting and guiding, the upper end of the pressing plate is connected with the U-shaped mounting plate through the pressing spring, the pressing spring plays roles in buffering, damping and limiting and resetting, the water scraping ring is arranged at the left end of the U-shaped mounting plate, when the discharging and the discharging wheel and the water scraping ring work are manually upwards slid, and the hydraulic rubber tube penetrates through the water scraping circular ring, after the hydraulic rubber tube is sleeved, the pressing plate is loosened, the pressing spring drives the pressing plate and the T-shaped block to descend along the U-shaped mounting plate, so that the blanking wheel and the pressing plate are used for limiting and locking the hydraulic rubber tube, the situation that the hydraulic rubber tube is separated in the blanking process is avoided being pulled, the air tightness of the hydraulic rubber tube is detected and the blanking process is completed, and clean water on the hydraulic rubber tube is scraped through the water scraping circular ring.
According to the preferable technical scheme, the sponge is uniformly arranged in the wiping circular ring along the circumferential direction of the wiping circular ring, so that the sponge is convenient for sucking and wiping clean water on the hydraulic rubber pipe, and the surface of the hydraulic rubber pipe is cleaned at the same time.
Compared with the prior art, the invention has the following advantages:
1. according to the equipment for detecting the air tightness in the production of the hydraulic rubber tube, the air tightness of the hydraulic rubber tube is detected by pulling the hydraulic rubber tube while pumping air, so that the continuous and continuous air tightness detection process is ensured, the hydraulic rubber tube with a longer length is positioned at the detection position by the winding mechanism, the same position is repeatedly detected while more hydraulic rubber tube positions are detected, and the accuracy of the detection result is ensured;
2. according to the equipment for detecting the air tightness in the production of the hydraulic rubber pipe, the hydraulic rubber pipe in the feeding and discharging processes is respectively limited and locked through the arc-shaped plate and the pressing plate, so that the hydraulic rubber pipe is prevented from falling off in the traction process, the hydraulic rubber pipe is bent, the air pressure in the pipe is increased, the hydraulic rubber pipe is broken, and the arc-shaped plate and the pressing plate are lifted and lowered, so that the equipment is suitable for detecting the hydraulic rubber pipes with different diameters;
3. according to the equipment for detecting the air tightness in the production of the hydraulic rubber tube, clean water on the surface of the detected hydraulic rubber tube is scraped by the aid of the water scraping ring, and the surface of the hydraulic rubber tube is cleaned by the aid of the sponge uniformly arranged in the water scraping ring;
4. according to the equipment for detecting the air tightness in the production of the hydraulic rubber tube, one end of the hydraulic rubber tube is sealed through the plug, so that an air pump can carry out air pumping detection on the hydraulic rubber tube, and the steel ball arranged in the plug extrudes the adjusting spring to move left, so that the air in the hydraulic rubber tube is intermittently discharged through the exhaust hole formed in the left end of the conical sleeve, and the condition that the hydraulic rubber tube is broken due to overlarge air pressure in the hydraulic rubber tube is avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention in its working state;
FIG. 2 is a top plan view of the working condition of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is a cross-sectional view (from left to right) of the feed clamping mechanism of the present invention;
FIG. 6 is a partial cross-sectional view of a cross-sectional view of the feed clamping mechanism of the present invention;
FIG. 7 is a cross-sectional view of the discharge draining mechanism of the present invention (viewed from the right to the left)
FIG. 8 is an enlarged view of the portion of FIG. 3 showing the line U of the present invention;
FIG. 9 is an enlarged view of a portion of the invention from the direction M of FIG. 3;
FIG. 10 is an enlarged view of a portion of FIG. 4 taken in the direction of N according to the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 10.
The air tightness detection equipment for hydraulic rubber tube production comprises a workbench 1, a traction collection device 2, an air pumping device 3 and a detection device 4, wherein the traction collection device 2 is installed on the left side of the upper end of the workbench 1, the air pumping device 3 is installed on the right side of the upper end of the workbench 1, the detection device 4 is arranged at the right end of the traction collection device 2, and the detection device 4 is installed in the middle of the upper end of the workbench 1; wherein:
the traction and collection device 2 comprises a driving motor 21, a small belt wheel 22, two mounting plates 23, a roller 24, a large belt wheel 25, a belt 26 and a plug 27, wherein the rotating motor is mounted on the left side of the upper end of the workbench 1 through a motor mounting plate, the small belt wheel 22 is mounted at the output end of the rotating motor, the mounting plates 23 are symmetrically mounted on the left side of the upper end of the workbench 1 in a front-back manner, the roller 24 is mounted on the inner side of the mounting plate 23 through a bearing, the large belt wheel 25 is mounted at the front end of the roller 24, the large belt wheel 25 is connected with the small belt wheel 22 through the belt 26, the plug 27 is mounted in the front end of the roller 24, during specific work, one end of a hydraulic rubber pipe to be detected is manually mounted on the air pumping device 3, the other end of the hydraulic rubber pipe is wound on the detection device 4 and is connected with the plug 27, after the hydraulic rubber pipe to be detected is fed, the hydraulic rubber pipe is rotated through the driving motor 21, so that the small belt wheel 22 drives the large belt wheel 25 to rotate through the belt 26, therefore, the roller 24 rotates to draw the hydraulic rubber hose to be detected, and in the process of drawing the hydraulic rubber hose, gas is pumped into the hydraulic rubber hose to be detected through the gas pumping device 3, so that the detection device 4 detects whether the hydraulic rubber hose leaks gas or not, and the gas tightness of the hydraulic rubber hose is detected.
The plug 27 comprises a conical sleeve 271, a steel ball 272, an adjusting spring 273 and a locking solenoid 274, the conical sleeve 271 is installed inside the roller 24 in a welding mode, the steel ball 272 is installed inside the conical sleeve 271 in a sliding fit mode, the left end of the steel ball 272 is connected with the roller 24 through the adjusting spring 273, the adjusting spring 273 plays a role in limiting protection and resetting, the locking solenoid 274 is installed at the right end of the roller 24 in a threaded fit mode, during specific work, a hydraulic rubber tube penetrates through the locking solenoid 274 to be sleeved on the conical sleeve 271 manually, after the hydraulic rubber tube is sleeved, the locking solenoid 274 is rotated manually, so that one end of the hydraulic rubber tube is locked and fixed on the roller 24 by the locking solenoid 274, and in the process that the air pump 31 pumps air into the hydraulic rubber tube, the adjusting spring 273 is extruded by the steel ball 272 to move leftwards, so that the air in the hydraulic rubber tube is discharged intermittently, and the air pressure in the hydraulic rubber tube is prevented from being too large, causing the hydraulic hose to break.
The left end of the conical sleeve 271 is uniformly provided with vent holes along the circumferential direction, and the steel ball 272 extrudes the adjusting spring 273 to move left, so that the gas in the hydraulic rubber tube is intermittently discharged through the vent holes.
The air pumping device 3 comprises an air pump 31 and a connector 32, the air pump 31 is installed on the right side of the upper end of the mounting plate 23 in a threaded connection mode, the connector 32 is installed at the output end of the air pump 31, and during specific work, one end of a hydraulic rubber tube to be detected is manually sleeved at the output end of the air pump 31, so that the connector 32 locks and fixes one end of the hydraulic rubber tube to be detected at the output end of the air pump 31, and the air pumping can not be interrupted in the detection process.
Detection device 4 includes pond 41, feeding chucking mechanism 42, winding mechanism 43 and ejection of compact draining mechanism 44, pond 41 is installed at 1 upper end middle part of workstation through the welded mode, feeding chucking mechanism 42 is installed on pond 41 upper end right side, ejection of compact draining mechanism 44 is installed in pond 41 upper end left side, during specific work, add appropriate amount clear water in to the pond through the manual work, an air tightness for detecting the hydraulic pressure rubber tube, and the manual work passes feeding chucking mechanism 42 with hydraulic pressure rubber tube one end in proper order, winding mechanism 43 and ejection of compact draining mechanism 44, conveniently detect the winding gas tightness of hydraulic pressure rubber tube, drive cylinder 24 through driving motor 21 and pull the collection hydraulic pressure rubber tube, make the hydraulic pressure rubber tube loop through pond 41, thereby detect the gas tightness of hydraulic pressure rubber tube.
The feeding clamping mechanism 42 comprises two supporting plates 421, a feeding wheel 422, a U-shaped plate 423, two arc-shaped plates 424, two extrusion springs 425, a locking block 426, a plug 427, two locking rods 428 and two locking springs 429, wherein the supporting plates 421 are symmetrically arranged on the water tank 41 front and back, the feeding wheel 422 is arranged between the supporting plates 421 through a bearing, the U-shaped plate 423 is arranged at the upper end of the front supporting plate 421 through a hinge, the arc-shaped plates 424 are symmetrically arranged at the upper end of the feeding wheel 422 front and back, the arc-shaped plates 424 are arranged on the inner side of the U-shaped plate 423 in a sliding fit manner, the upper ends of the arc-shaped plates 424 are connected with the U-shaped plate 423 through the extrusion springs 425, the extrusion springs 425 play a role of locking limit and reset, the locking block 426 is arranged at the rear end of the U-shaped plate 423, the plug 427 is arranged at the lower end of the locking block 426, the locking rods 428 are symmetrically arranged at the left end and the right end of the plug 427, and the locking rods 428 are sleeved with the locking springs 429, locking spring 429 plays the fixed effect with reseing of locking, and during specific work, through artifical rotatory U-shaped plate 423 that makes progress for the check lock lever 428 loosens the unblock of plug 427, thereby make the hydraulic pressure rubber tube place on feed wheel 422, the hydraulic pressure rubber tube is placed and is accomplished the back, through artifical reverse rotation U-shaped plate 423, make check lock lever 428 die plug 427 locking card, thereby make feed wheel 422 and arc 424 with hydraulic pressure rubber tube spacing fixed, avoid it to pull the circumstances that the material loading in-process takes place to break away from.
The winding mechanism 43 comprises two reversing wheels 431, mounting blocks 432, hollow mounting shafts 433, lifting rods 434, winding wheels 435, return springs 436, limiting blocks 437 and two limiting plates 438, the reversing wheels 431 are mounted at the left end and the right end of the water tank 41 and are arranged along the diagonal line, the mounting blocks 432 are mounted in the middle of the inner side of the water tank 41, the hollow mounting shafts 433 are mounted at the upper ends of the mounting blocks 432 through bearings, the lifting rods 434 are mounted in the hollow mounting shafts 433 in a sliding fit mode, the winding wheels 435 are mounted in the middle of the lifting rods 434 through bearings, the return springs 436 are arranged between the lifting rods 434 and the hollow mounting shafts 433, the limiting blocks 437 are welded at the upper ends of the lifting rods 434, the limiting plates 438 are mounted in the middle of the water tank 41 in a left-right symmetrical mode, when the hydraulic rubber pipe is in specific work, the hydraulic rubber pipe is manually penetrated through the reversing wheels 431, and the lifting rods 434 are manually pulled upwards to enable the hydraulic rubber pipe to be wound on the winding wheels 435, after the winding of hydraulic pressure rubber tube was accomplished, loosen lifter 434, make reset spring 436 drive lifter 434 decline and reset, thereby make lifter 434 drive stopper 437 descend, and then make stopper 437 spacing the hydraulic pressure rubber tube that the winding was accomplished on winding wheel 435, and carry out spacing direction to unsettled hydraulic pressure rubber tube between winding wheel 435 through limiting plate 438, it is less to avoid the hydraulic pressure rubber tube to produce, less bubble laminating adsorbs in the pond bottom surface, lead to hydraulic pressure rubber tube gas tightness testing result to appear the deviation, influence the use of hydraulic pressure rubber tube.
Dovetail blocks are installed on the outer side of the arc-shaped plate 424, are installed inside the U-shaped plate 423 in a sliding fit mode, and play a limiting and guiding role for the arc-shaped plate 424.
The discharging and draining mechanism 44 comprises a U-shaped mounting plate 441, two connecting plates 442, a discharging wheel 443, a pressing plate 444, a T-shaped block 445, a pressing spring 446 and a water scraping ring 447, wherein the U-shaped mounting plate 441 is mounted on the left side of the upper end of the water tank 41, the connecting plates 442 are symmetrically arranged at the front and back of the lower end inside the U-shaped mounting plate 441, the connecting plates 442 are mounted on the water tank 41, the discharging wheel 443 is mounted between the connecting plates 442 through a bearing, the pressing plate 444 is arranged at the upper end of the discharging wheel 443, the T-shaped block 445 is symmetrically mounted at the front and back of the pressing plate 444, the T-shaped block 445 is mounted at the upper end of the inner side of the U-shaped mounting plate 441 in a sliding fit manner, the T-shaped block 445 plays a role in limiting and guiding, the upper end of the pressing plate 444 is connected with the U-shaped mounting plate 441 through the pressing spring 446, the pressing spring 446 plays roles in buffering, the role in limiting and the resetting role, the water scraping ring 447 is mounted at the left end of the U-shaped mounting plate 441, when the discharging and draining mechanism works, the pressing plate 444 is manually upwards slid, make the hydraulic pressure rubber tube pass between unloading wheel 443 and the pressure strip 444, and make the hydraulic pressure rubber tube pass and scrape water ring 447, the hydraulic pressure rubber tube wears the cover and accomplishes the back, loosen the pressure strip 444, make pressure spring 446 drive pressure strip 444 and T-shaped piece 445 descend along U-shaped mounting panel 441, thereby make unloading wheel 443 and pressure strip 444 with the spacing locking of hydraulic pressure rubber tube, avoid drawing the circumstances that the hydraulic pressure rubber tube takes place to break away from in the unloading process, and hydraulic pressure rubber tube gas tightness detects and accomplishes and pull the unloading in-process, scrape the clear water on the hydraulic pressure rubber tube through scraping water ring 447.
Scrape water ring 447 inside evenly be provided with the sponge along its circumference, the sponge is convenient to be absorbed the clear water on the hydraulic hose and is scraped off, cleans the hydraulic hose surface simultaneously.
When in work:
s1, feeding: one end of the hydraulic rubber hose is manually installed at the output end of the air pump 31, and the other end of the hydraulic rubber hose sequentially passes through the feeding clamping mechanism 42, the winding mechanism 43 and the discharging draining mechanism 44, so that the hydraulic rubber hose is fixed on the roller 24 and the end of the hydraulic rubber hose is sealed through the plug 27;
s2, traction and collection: after the feeding is finished, clear water is manually added into the water tank 41, and the roller 24 rotates to pull the hydraulic rubber tube to be detected through the rotation of the driving motor 21;
s3, pumping gas: in the process of drawing and collecting the hydraulic rubber hose, gas is pumped into the hydraulic rubber hose to be detected through the air pump 31
S4, detection: after pumping, in the process of traction and collection, whether bubbles are generated in the water tank 41 is observed manually, so that the water tank 41 detects the air tightness of the hydraulic rubber pipe, and the specific detection steps are as follows:
a. the bubble is: if bubbles are generated, observing the positions where the bubbles are generated, and marking the air leakage positions by a sealing box through a waterproof adhesive tape after finding the bubbles, so that the subsequent detection and repair are facilitated;
b. no bubble: if no bubble is generated, the section of the hydraulic rubber pipe has better air tightness, and the observation and detection are continued;
s5, blanking: after the hydraulic rubber tube is detected, the clear water on the hydraulic rubber tube is sucked and scraped through the water scraping circular ring 447, the hydraulic rubber tube after the clear water is scraped is wound on the roller 24, and the roller 24 is manually taken down, collected and aired.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a hydraulic pressure rubber tube production gas tightness check out test set, includes workstation (1), pulls collection device (2), pump gas device (3) and detection device (4), its characterized in that: the left side of the upper end of the workbench (1) is provided with a traction collection device (2), the right side of the upper end of the workbench (1) is provided with an air pumping device (3), the right end of the traction collection device (2) is provided with a detection device (4), and the detection device (4) is arranged in the middle of the upper end of the workbench (1); wherein:
the traction collection device (2) comprises a driving motor (21), a small belt wheel (22), two mounting plates (23), a roller (24), a large belt wheel (25), a belt (26) and a plug (27), wherein the rotating motor is mounted on the left side of the upper end of the workbench (1) through the motor mounting plate, the small belt wheel (22) is mounted at the output end of the rotating motor, the mounting plates (23) are symmetrically mounted on the left side of the upper end of the workbench (1) in the front-back direction, the roller (24) is mounted on the inner side of the mounting plate (23) through a bearing, the large belt wheel (25) is mounted at the front end of the roller (24), the large belt wheel (25) is connected with the small belt wheel (22) through the belt (26), and the plug (27) is mounted in the front end of the roller (24);
the air pumping device (3) comprises an air pump (31) and a connector (32), the air pump (31) is installed on the right side of the upper end of the installation plate (23) in a threaded connection mode, and the connector (32) is installed at the output end of the air pump (31);
the detection device (4) comprises a water tank (41), a feeding clamping mechanism (42), a winding mechanism (43) and a discharging draining mechanism (44), wherein the water tank (41) is installed in the middle of the upper end of the workbench (1) in a welding mode, the feeding clamping mechanism (42) is installed on the right side of the upper end of the water tank (41), and the discharging draining mechanism (44) is installed on the left side of the upper end of the water tank (41);
the winding mechanism (43) comprises two reversing wheels (431), a mounting block (432), a hollow mounting shaft (433), a lifting rod (434), a winding wheel (435), a return spring (436), a limiting block (437) and two limiting plates (438), reversing wheel (431) are installed at both ends and are arranged along the diagonal about pond (41), pond (41) inboard mid-mounting has installation piece (432), hollow installation axle (433) are installed through the bearing in installation piece (432) upper end, lifter (434) are installed through sliding fit's mode to hollow installation axle (433) inside, winding wheel (435) are installed through the bearing in lifter (434) middle part, be provided with reset spring (436) between lifter (434) and hollow installation axle (433), the welding of lifter (434) upper end has stopper (437), limiting plate (438) are installed to pond (41) middle part bilateral symmetry.
2. The hydraulic rubber tube production airtightness detection apparatus according to claim 1, wherein: the plug (27) comprises a conical sleeve (271), a steel ball (272), an adjusting spring (273) and a locking solenoid (274), the conical sleeve (271) is installed inside the roller (24) in a welding mode, the steel ball (272) is installed inside the conical sleeve (271) in a sliding fit mode, the left end of the steel ball (272) is connected with the roller (24) through the adjusting spring (273), and the locking solenoid (274) is installed at the right end of the roller (24) in a threaded fit mode.
3. The hydraulic rubber tube production airtightness detection apparatus according to claim 2, wherein: the left end of the conical sleeve (271) is uniformly provided with exhaust holes along the circumferential direction.
4. The hydraulic rubber tube production airtightness detection apparatus according to claim 1, wherein: the feeding clamping mechanism (42) comprises two supporting plates (421), a feeding wheel (422), a U-shaped plate (423), two arc-shaped plates (424), two extrusion springs (425), a locking block (426), a plug (427), two locking rods (428) and two locking springs (429), the supporting plates (421) are symmetrically arranged on the water pool (41) front and back, the feeding wheel (422) is arranged between the supporting plates (421) through a bearing, the U-shaped plate (423) is arranged at the upper end of the front side supporting plate (421) through a hinge, the arc-shaped plates (424) are symmetrically arranged at the upper end of the feeding wheel (422) front and back, the arc-shaped plates (424) are arranged on the inner side of the U-shaped plate (423) in a sliding fit manner, the upper ends of the arc-shaped plates (424) are connected with the U-shaped plate (423) through the extrusion springs (425), the locking block (426) is arranged at the rear end of the U-shaped plate (423), the plug (427) is arranged at the lower end of the locking block (426), locking rods (428) are symmetrically arranged at the left end and the right end of the plug (427), and locking springs (429) are sleeved outside the locking rods (428).
5. The hydraulic rubber tube production airtightness detection apparatus according to claim 4, wherein: dovetail blocks are installed on the outer side of the arc-shaped plate (424), and the dovetail blocks are installed inside the U-shaped plate (423) in a sliding fit mode.
6. The hydraulic rubber tube production airtightness detection apparatus according to claim 1, wherein: the discharging and draining mechanism (44) comprises a U-shaped mounting plate (441), two connecting plates (442), a discharging wheel (443), a pressing plate (444), a T-shaped block (445), a pressing spring (446) and a water scraping ring (447), u-shaped mounting panel (441) is installed in pond (41) upper end left side, the inside lower extreme front and back symmetry of U-shaped mounting panel (441) is provided with connecting plate (442), connecting plate (442) is installed on pond (41), install unloading wheel (443) through the bearing between connecting plate (442), unloading wheel (443) upper end is provided with pressure strip (444), T-shaped piece (445) is installed to pressure strip (444) front and back symmetry, install in U-shaped mounting panel (441) inboard upper end through sliding fit's mode T-shaped piece (445), pressure strip (444) upper end links to each other with U-shaped mounting panel (441) through pressure spring (446), water ring (447) is scraped to U-shaped mounting panel (441) left end.
7. The hydraulic rubber tube production airtightness detection apparatus according to claim 6, wherein: the inside of the water scraping circular ring (447) is uniformly provided with sponge along the circumferential direction.
CN202010295720.0A 2020-04-15 2020-04-15 Air tightness detection equipment for hydraulic rubber tube production Active CN111458079B (en)

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CN111855108B (en) * 2020-07-29 2021-03-23 江苏博纳汽车零部件有限公司 Automobile engine system pipeline airtightness performance detection equipment

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