CN217032937U - Detection device for exhaust system with differential pressure pipe - Google Patents
Detection device for exhaust system with differential pressure pipe Download PDFInfo
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- CN217032937U CN217032937U CN202220817439.3U CN202220817439U CN217032937U CN 217032937 U CN217032937 U CN 217032937U CN 202220817439 U CN202220817439 U CN 202220817439U CN 217032937 U CN217032937 U CN 217032937U
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Abstract
The utility model relates to a detection device of an exhaust system with a differential pressure pipe, which comprises a substrate, wherein a first airtight assembly comprises a first base arranged on the substrate, the first base is provided with a first clamping device used for clamping a flange, a first linear driving device is arranged on the first base, a first sealing block is arranged on the driving end of the first linear driving device, and the first sealing block corresponds to the first clamping device; the second airtight assembly comprises a second base installed on the substrate, the second base is provided with a second clamping device used for clamping a flange, a second linear driving device is arranged on the second base, a second sealing block is arranged on a driving end of the second linear driving device and corresponds to the second clamping device, an air supply channel is arranged on the first sealing block or/and the second sealing block, a lower port end of the air supply channel is communicated with a sealing surface of the sealing block, and an upper port end of the air supply channel is connected with the leak detector through a pipeline.
Description
Technical Field
The utility model relates to a detection device for an exhaust system, in particular to a detection device for an exhaust system with a differential pressure pipe.
Background
An automobile exhaust system is mainly used for reducing noise generated when an engine of a motor vehicle works and simultaneously used for tail gas purification, a tail gas purification unit such as a three-way catalyst and a particle trap is often required to be arranged in the exhaust system of the automobile exhaust system, the particle trap is a filter arranged in the exhaust system of a diesel engine, the particle trap is easy to block and lose efficacy due to poor fuel oil and the like in the using process, the tail gas cannot be filtered, the oil consumption is increased, the exhaust back pressure is increased suddenly, the performance of the engine is deteriorated, and even the engine is damaged, so the pressure at two sides of a filtering component of the particle trap needs to be monitored at any time, and the blockage is found to be cleaned or replaced in time; the pressure differential pipe that the filter assembly both sides set up is the passageway of monitoring pressure, it is the key of guaranteeing the monitoring result accuracy to keep air current unblocked between pressure differential pipe and the particle trap, conventional pressure differential pipe and exhaust system's barrel welding, because pressure differential pipe and barrel are the thin wall spare, and pressure differential pipe diameter is less, in welding process, its welding seam department easily takes place to block up, after exhaust system and pressure differential pipe welding accomplish, need to detect the stifled nature of leading to of pressure differential pipe, need carry out the gas tightness to exhaust system simultaneously and detect, current detection device can only detect the gas tightness, simultaneously because pressure differential pipe and barrel intercommunication, present gas tightness detection device can't seal completely to exhaust system, also can't detect the gas tightness, need one kind to accomplish the detection device that pressure differential pipe leads to stifled nature and exhaust system gas tightness detected urgently.
Disclosure of Invention
The utility model aims to provide a detection device for an exhaust system with a differential pressure pipe, aiming at the defects of the prior art, which can detect the air tightness of the exhaust system and the blockage of the differential pressure pipe on the exhaust system, can effectively reduce the circulation requirement of parts and can reduce the production cost.
The purpose of the utility model is realized by the following steps: the method comprises the following steps:
a substrate;
the first airtight assembly comprises a first base arranged on the substrate, the first base is provided with a first clamping device used for clamping a flange, a first linear driving device is arranged on the first base, a first sealing block is arranged on the driving end of the first linear driving device, and the first sealing block corresponds to the first clamping device;
the second airtight assembly comprises a second base arranged on the substrate, the second base is provided with a second clamping device used for clamping a flange, a second linear driving device is arranged on the second base, a second sealing block is arranged on the driving end of the second linear driving device and corresponds to the second clamping device, an air supply channel is arranged on the first sealing block or/and the second sealing block, the downstream port end of the air supply channel is communicated with the sealing surface of the sealing block, and the upstream end of the air supply channel is connected with the leak detector through a pipeline;
the differential pressure pipe detection assembly comprises an air inlet pipeline, a flowmeter is arranged on the air inlet pipeline, and a pipe joint for butting the differential pressure pipe is arranged at the downstream end of the air inlet pipeline.
Further, the method also comprises the following steps:
the equipment cabinet is provided with an upper platform, and the substrate is fixed on the upper platform;
and the sliding platform is arranged on the upper platform, and the sliding platform is provided with a laser carving machine.
Further, first base has the storage tank that link up, first latch device includes the locating plate, the locating plate is installed in the storage tank, be equipped with the joint groove on the locating plate, still install first fixed plate in the storage tank, first fixed plate and locating plate interval arrangement in the storage tank, the back installation first linear drive device on the locating plate, this first linear drive device's drive end runs through the locating plate.
Further, the first seal block includes:
one end of the first connecting piece is connected with the driving end of the first linear driving device, and the other end of the first connecting piece is provided with a first ball head;
the rear end part of the first connecting seat is provided with a first ball socket, the first ball head is matched in the first ball socket, the front end part of the first connecting seat is provided with a first mounting groove, and a columnar first rubber block is mounted in the first mounting groove;
the first cover ring covers the opening end of the first mounting groove, and the concave spigot on the first cover ring is in limit fit with the convex spigot on the first rubber block.
Further, the second seal block includes:
one end of the second connecting piece is connected with the driving end of the second linear driving device, and the other end of the second connecting piece is provided with a second ball head;
the second connecting seat, the rear end portion of second connecting seat has the second ball mortar, the second bulb cooperates in the second ball mortar, the preceding tip of second connecting seat sets up second mounting groove, have the stem of protruding in second mounting groove diapire in the second mounting groove, the stem has the hole, be provided with the connecting hole on the second connecting seat, the upper reaches mouth end of connecting hole sets up the surface at the second connecting seat, the lower reaches mouth end and the connecting hole intercommunication of connecting hole, install cylindrical second block rubber in the second mounting groove, the stem runs through the second block rubber and expands tightly with the second block rubber.
Furthermore, the second clamping device comprises two rotating devices arranged on the second base, the rotating end of each rotating device is fixedly connected with one end of the clamping piece, the front end plate is provided with a matching hole for matching the second sealing block, the clamping piece can swing in the space outside the front end plate on the second base, and a clamping space with a changeable opening is formed between the two clamping pieces.
Further, the second base includes:
a base plate disposed on a substrate;
the front end plate is arranged on the bottom plate, and a matching hole for matching the second sealing block is formed in the front end plate;
the rear end plate is arranged on the bottom plate, the rear end plate and the front end plate are arranged at intervals, the rear end plate is provided with a second linear driving device, and the driving end of the second linear driving device extends towards the front end plate.
Still include middle supporting column, middle supporting column installs on the base plate and is located between first airtight subassembly and the airtight subassembly of second, the top of middle supporting column has positioning groove, positioning groove's bottom sets up the groove of stepping down.
Furthermore, a one-way valve or an electromagnetic valve for controlling the on-off of the air flow is arranged on the air inlet pipeline.
Further, the platform that slides includes the slip table base, go up the base through the slide rail supporting on the slip table base, set up the drive lead screw on the slip table base, the extending direction of drive lead screw is unanimous with the extending direction of slide rail, go up and set up on the base and drive lead screw thread fit's swivel nut, the upper end of going up the base sets up the extensible member, and the flexible direction and the slide rail extending direction of extensible member are alternately, the flexible of extensible member is served and is set up the laser carving machine, the upper end of going up the base still sets up the upper bracket, install the flowmeter on the upper bracket.
By adopting the scheme, the air tightness detection can be carried out on the exhaust system, meanwhile, the blockage passing performance of the pressure difference pipe on the exhaust system can be detected, the operation steps can be reduced, the circulation requirement of parts can be effectively reduced, and the production cost can be reduced.
The utility model is further described with reference to the following figures and specific examples.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the arrangement of the first and second airtight assemblies according to the present invention;
FIG. 3 is a schematic cross-sectional view of a first hermetic assembly and a second hermetic assembly;
FIG. 4 is a schematic view illustrating an operation state of the first airtight assembly and the second airtight assembly.
In the drawings, 100 is a base plate, 200 is a first airtight assembly, 210 is a first base, 211 is an accommodating groove, 220 is a first clamping device, 221 is a positioning plate, 222 is a clamping groove, 223 is a first fixing plate, 230 is a first linear driving device, 240 is a first sealing block, 241 is a first connecting piece, 242 is a first connecting seat, 243 is a first rubber block, 244 is a first cover ring, 300 is a second airtight assembly, 310 is a second base, 311 is a bottom plate, 312 is a front end plate, 313 is a rear end plate, 320 is a second clamping device, 330 is a second linear driving device, 340 is a second sealing block, 341 is a second connecting piece, 342 is a second connecting seat, 343 is a second rubber block, 350 is a rotating device, 360 is a clamping piece, 400 is a differential pressure pipe detecting assembly, 410 is an air inlet pipe, 420 is a flow meter, 430 is a pipe joint, 500 is a cabinet, 510 is an upper platform, 520 is a sliding platform, 521 is a sliding platform, 522 is an upper base, 523 is a driving screw rod, 530 is a laser carving machine, 540 is a screw sleeve, 550 is a telescopic piece, 560 is an upper support, 600 is a middle supporting column, 610 is a positioning groove, 620 is an abdicating groove, 2411 is a first ball head, 2422 is a first mounting groove, 3121 is a matching hole, 3411 is a second ball head, 3422 is a second mounting groove, 3423 is a core column, 3424 is an inner hole, 3425 is a connecting hole.
Detailed Description
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, an embodiment of a detection apparatus for an exhaust system with a differential pressure pipe, the detection apparatus for an exhaust system with a differential pressure pipe, includes a base plate 100, a first airtight assembly 200, a second airtight assembly 300, and a differential pressure pipe detection assembly 400, and may further include a cabinet 500 and a sliding platform 520, the cabinet 500 has an upper platform 510, the base plate 100 is fixed on the upper platform 510, and the fixing manner may be detachably fixed on the upper platform 510, for example, by pins and screws, so as to facilitate the transfer of the base plate 100 and components on the base plate 100. The sliding platform 520 is installed on the upper platform 510 and can be located beside the substrate 100, a laser carving machine 530 is arranged on the sliding platform 520, and carving characters and etching of the two-dimensional code can be achieved through the laser carving machine 530. In the embodiment, the sliding platform 520 includes a sliding base 521, the sliding base 521 supports an upper base 522 through a sliding rail, a driving screw 523 is arranged on the sliding table base 521, the extension direction of the driving screw 523 is consistent with the extension direction of the sliding rail, the upper base 522 is provided with a threaded sleeve 540 which is in threaded fit with the driving screw 523, the upper end of the upper base 522 is provided with an expansion piece 550 which can be an air cylinder, a hydraulic cylinder or an electric expansion cylinder, or other expansion devices capable of expanding or reciprocating, the expansion direction of the expansion piece 550 is crossed with the extension direction of the slide rail, a laser carving machine 530 is arranged on the telescopic end of the telescopic piece 550, an upper bracket 560 is also arranged on the upper end of the upper base 522, the flowmeter 420 is arranged on the upper bracket 560, and the structure can realize the adjustment of the laser carving machine in the horizontal position and improve the universality.
Further, the first sealing block 240 includes a first connecting piece 241, a first connecting seat 242 and a first cover ring 244, one end of the first connecting piece 241 is connected to the driving end of the first linear driving device 230, and the other end of the first connecting piece 241 is provided with a first ball 2411; the rear end of the first connecting seat 242 has a first ball socket, and the first ball head 2411 is fitted in the first ball socket. A first mounting groove 2422 is formed in the front end of the first connecting seat 242, and a first cylindrical rubber block 243 is mounted in the first mounting groove; the first cover ring 244 covers the opening end of the first mounting groove in a sealing mode, the female spigot on the first cover ring 244 is in limit fit with the male spigot on the first rubber block 243, and the cover ring is used for achieving press fitting and fixing of the rubber blocks. Through bulb and the cooperation of ball mortar, can provide certain swing angle to first sealed piece 240, can improve the fault-tolerance of sealed piece, can make the block rubber evenly exert pressure at the flange opening part simultaneously, realize that the block rubber is even to the pressure of flange opening part, guarantee the leakproofness.
The second airtight assembly 300 includes a second base 310 installed on the substrate 100, the second base 310 has a second clamping device 320 for clamping a flange, the second clamping device 320 is used for limiting the flange at the other port end of the exhaust system, and the axial limitation and the radial limitation of the flange are realized through the second clamping device 320; the second base 310 is provided with a second linear driving device 330, the second linear driving device 330 may be an air cylinder, a hydraulic cylinder or an electric telescopic cylinder, or may be other devices capable of realizing reciprocating motion, such as a slider-crank structure, and the linear driving device may preferably be an air cylinder, and the principle and structure of the air cylinder are simple, and the installation and maintenance are easy. The second sealing block 340 is arranged at the driving end of the second linear driving device 330, the second sealing block 340 is fed and retreated through the second linear driving device 330, the second sealing block 340 corresponds to the second clamping device 320, an air supply channel is arranged on the first sealing block 240 or/and the second sealing block 340, the downstream opening end of the air supply channel is communicated with the sealing surface of the sealing block, and the upstream end of the air supply channel is connected with the leak detector through a pipeline, in the embodiment, the air supply channel is arranged on the second sealing block 340.
Specifically, in the present embodiment, the second base 310 includes a bottom plate 311, a front end plate 312 and a rear end plate 313, wherein the bottom plate 311 is disposed on the substrate 100; the front end plate 312 is arranged on the bottom plate 311, and a fitting hole 3121 for fitting the second sealing block 340 is arranged on the front end plate 312, and the fitting hole can be used for guiding and limiting when the second sealing block is sealed; the rear end plate 313 is arranged on the bottom plate 311, the rear end plate 313 and the front end plate 312 are arranged at intervals, the second linear driving device 330 is arranged on the rear end plate, and the driving end of the second linear driving device 330 extends towards the front end plate 312.
Still further, the second sealing block 340 includes a second connector 341 and a second connecting seat 342, one end of the second connector 341 is connected to the driving end of the second linear driving device, and the other end of the second connector 341 is provided with a second ball 3411; second connecting seat 342, the rear end portion of second connecting seat 342 has the second ball socket, second bulb 3411 cooperates in the second ball socket, adopts the cooperation structure of bulb and ball socket to provide certain swing angle to first sealing block 240, can make the block rubber evenly exert pressure at the flange opening part simultaneously, realizes that the block rubber is even to the pressure of flange opening part, guarantees the leakproofness. The front end of the second connecting seat 342 is provided with a second mounting groove 3422, the second mounting groove 3422 is internally provided with a stem 3423 protruding from the bottom wall of the second mounting groove 3422, the stem 3423 is provided with an inner hole 3424, the second connecting seat 342 is provided with a connecting hole 3425, the upstream port end of the connecting hole 3425 is arranged on the outer surface of the second connecting seat 342, the downstream port end of the connecting hole 3425 is communicated with the connecting hole 3425, the connecting hole 3425 and the inner hole 3424 of the stem 3423 form an air supply channel, and air can be injected through the air supply channel during air tightness detection. The cylindrical second rubber block 343 is installed in the second installation groove 3422, the core column 3423 penetrates through the second rubber block 343 and expands with the second rubber block 343, and by adopting the structure, the installation and sealing of the second rubber block 343 can be realized, and meanwhile, the downstream section of the air supply channel can not be deformed when the rubber blocks deform, and the air supply of the air supply channel can not be influenced.
Still further, the second latch 320 includes a front end plate 312 on the second base 310 and two rotating devices 350 arranged on the second base 310, the rotating devices 350 may be a rotating cylinder, a hydraulic cylinder, or a rotating power device such as a servo motor, and the front end plate 312 is arranged on the bottom plate 311; the rotating end of each rotating device 350 is fixedly connected with one end of a clamping piece 360, the clamping piece 360 can swing in the space outside the front end plate 312 on the front end plate 312 of the front end plate 312 on the second base 310, and a clamping space with a variable opening is formed between the two clamping pieces 360. Through the centre gripping of joint spare 360, can realize the radial positioning to exhaust system one end to conveniently aim at second sealed piece 340, can bear the weight of the sealing pressure of second sealed piece 340 to exhaust system through joint spare 360 simultaneously, prevent exhaust system drunkenness. When the other side of the exhaust system is clamped on the first clamping device 220, the pipe section at the flange at the other end of the exhaust system can be flexibly clamped by adopting the structure, and the pipe section corresponding to the flange at the position does not need to be moved to be actively matched with the clamping device, so that the clamping flexibility is improved, and the clamping efficiency is improved; the clamping groove type clamping connection mode is particularly suitable for one end of an exhaust system.
The differential pressure pipe detection assembly 400 comprises an air inlet pipeline 410, a flow meter 420 is arranged on the air inlet pipeline 410, a pipe joint 430 for butting against the differential pressure pipe is arranged at the downstream end of the air inlet pipeline 410, the pipe joint 430 can be made of rubber pipes, and during plugging, quick plugging and pulling can be realized. The air inlet pipeline 410 is provided with a one-way valve or an electromagnetic valve for controlling the on-off of air flow, and the one-way valve or the electromagnetic valve for controlling the on-off of air flow is arranged, so that under the condition that the air inlet pipeline 410 is separated from an air source, namely under the condition that air is not used for plugging the differential pressure pipe, no additional plugging is needed, and the sealing of an exhaust system is realized. In the embodiment, in view of the two differential pressure pipes arranged on the exhaust system, two air inlet pipelines 410 are arranged, and flow detection can be simultaneously performed on the two differential pressure pipes, when the detection value of the flowmeter 420 and the sampling value or the reference data deviate from the normal error range, that is, the differential pressure pipe is blocked or seriously deformed at the welding joint, which seriously affects the detection air flow to pass through, that is, the welding joint of the differential pressure pipe does not meet the specification, and belongs to an unqualified product; the detection of the welding interface of the differential pressure pipe can be performed before the airtightness detection, or after the airtightness detection, under the normal condition, the blockage detection process of the differential pressure pipe is arranged before the airtightness detection, namely, when the first airtight assembly 200 and the second airtight assembly 300 do not work, the blockage detection of the differential pressure pipe is performed independently, if the detection is qualified, the air source is shut down, the pipe joint 430 spliced with the differential pressure pipe is not required to be removed, the pipe joint 430 is used for plugging a hole passage for communicating the exhaust system with the outside, and the airtightness detection is further performed conveniently.
The utility model is not limited to the above embodiment, and the detection device for the exhaust system with the differential pressure pipe further comprises an intermediate support column 600, the intermediate support column 600 is mounted on the substrate 100 and located between the first airtight assembly 200 and the second airtight assembly 300, the top of the intermediate support column 600 is provided with a positioning groove 610, the bottom of the positioning groove 610 is provided with a relief groove 620, the relief groove 620 can facilitate the passage of the exhaust differential pressure pipe or other accessories, and does not affect the positioning of the cylinder part of the exhaust system. Can tentatively fix a position exhaust system through positioning groove 610, make things convenient for the stifled nature of leading to of pressure differential pipe to detect, can make things convenient for exhaust system and second latch 320's preliminary location simultaneously, make things convenient for second latch 320 to be pressing from both sides tightly.
By adopting the scheme, when the exhaust system is detected, the interface of the differential pressure pipe can be firstly butted with the pipe joint 430 at the downstream end of the air inlet pipeline 410, the interface at the upstream end of the air inlet pipeline 410 is butted through an external air source, the air flow of the air inlet pipeline 410 is monitored through the flowmeter 420 to test the ventilation volume, after 5s ventilation, the ventilation volume is compared with a reference flow value or a sampled flow value to judge the blockage of the differential pressure pipe, so that whether the welding structure of the differential pressure pipe and the cylinder meets the requirement or not can be judged, when the requirement is not met, the exhaust system is marked, of course, the marking can be realized by adopting a laser etching mode, and also by adopting a conventional marking means, when the blockage passing performance of the differential pressure pipe meets the requirement, the air tightness of the exhaust system is further detected, and at the moment, the first airtight assembly 200 and the second airtight assembly 300 start to work, the two end openings of the exhaust system are sealed, meanwhile, the leak detector detects the air tightness, the pressure sensor in the leak detector senses the pressure change in a pipeline of a closed cavity in the exhaust system, and if the pressure change meets the requirement, qualified information is displayed. Of course, the qualified information can be inscribed on the exhaust system in a way of inscribing by the laser inscribing machine 530, the qualified information can be displayed in a two-dimensional code way, the two-dimensional code in the etching way can be ensured, and the two-dimensional code is not separated from, replaced or tampered with the exhaust system. Make things convenient for the later stage to sweep yard rifle scanning. Certainly, in order to improve the automation level, the printer, the leak detector, the code scanning gun, the flow meter and each air cylinder can be connected with an industrial personal computer by numbers, after the clamping of an exhaust system is finished, the whole process is automated, firstly, air is supplied to a pressure difference pipe through an air inlet pipeline, the air flow is tested, after 5s of air supply, the flow meets a set value, smooth judgment is carried out, a next action signal is supplied, flanges on two sides of the exhaust system are blocked by airtight components, air sealing and blocking are finished, the leak detector starts to work, after the air tightness is qualified, a laser carving machine starts to work, after laser carving is finished, the two-dimensional code scanning gun is held by a hand, a carved two-dimensional code is scanned, the industrial personal computer stores the two-dimensional code, the industrial personal computer prints a bar code, the industrial personal computer takes off and adheres to a product, the code scanning gun is held by the bar code scanning gun, the integrity and consistency of the bar code and the two-dimensional code are confirmed, the system records, each airtight component is opened, and detection is finished, if airtight is unqualified, perhaps sweep the sign indicating number nonconformity, also the bar code is not corresponding with the work piece in detecting, airtight subassembly is not opened, grasp exhaust system all the time, can not take off the product, it opens with the key to need the personnel on duty, reset and take off bad product, this kind of mode has not only improved the automation level certainly, can also prevent the maloperation, and the circulation of bad work piece, only test is qualified and the bar code, the two-dimensional code, when the work piece corresponds, the work piece side can take off and circulate.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A detection device of an exhaust system with a differential pressure pipe is characterized by comprising:
a substrate (100);
the first airtight assembly (200) comprises a first base (210) arranged on a substrate (100), the first base (210) is provided with a first clamping device (220) used for clamping a flange, a first linear driving device (230) is arranged on the first base (210), a first sealing block (240) is arranged on the driving end of the first linear driving device (230), and the first sealing block (240) corresponds to the first clamping device (220);
the second airtight assembly (300) comprises a second base (310) installed on the substrate (100), the second base (310) is provided with a second clamping device (320) used for clamping a flange, a second linear driving device (330) is arranged on the second base (310), a second sealing block (340) is arranged on the driving end of the second linear driving device (330), and the second sealing block (340) corresponds to the second clamping device (320),
wherein the first sealing block (240) or/and the second sealing block (340) is/are provided with an air supply channel, the downstream opening end of the air supply channel is communicated with the sealing surface of the sealing block, and the upstream end of the air supply channel is connected with a leak detector through a pipeline;
the differential pressure pipe detection assembly (400) comprises an air inlet pipeline (410), a flow meter (420) is arranged on the air inlet pipeline (410), and a pipe joint (430) for butting the differential pressure pipe is arranged at the downstream end of the air inlet pipeline (410).
2. The apparatus for detecting a differential pressure pipe equipped exhaust system according to claim 1,
further comprising:
a cabinet (500), the cabinet (500) having an upper platform (510), the substrate (100) being secured to the upper platform (510);
the laser carving machine comprises a sliding platform (520), wherein the sliding platform (520) is installed on an upper platform (510), and a laser carving machine (530) is arranged on the sliding platform (520).
3. The apparatus for detecting a differential pressure pipe equipped exhaust system according to claim 1,
first base (210) have storage tank (211) that link up, first latch device (220) are including locating plate (221), install in storage tank (211) locating plate (221), be equipped with joint groove (222) on locating plate (221), still install first fixed plate (223) in storage tank (211), first fixed plate (223) and locating plate (221) interval arrangement in storage tank (211), back installation first linear drive device (230) on locating plate (221), locating plate (221) are run through to the drive end of this first linear drive device (230).
4. The apparatus for detecting a differential pressure pipe equipped exhaust system according to claim 1,
the first seal block (240) includes:
one end of the first connecting piece (241) is connected with the driving end of the first linear driving device (230), and the other end of the first connecting piece (241) is provided with a first bulb (2411);
the rear end of the first connecting seat (242) is provided with a first ball socket, the first ball head (2411) is matched in the first ball socket, the front end of the first connecting seat (242) is provided with a first mounting groove, and a columnar first rubber block (243) is mounted in the first mounting groove;
the first cover ring (244) covers the opening end of the first mounting groove, and a concave spigot on the first cover ring (244) is in limit fit with a convex spigot on the first rubber block (243).
5. The apparatus for detecting a differential pressure pipe equipped exhaust system according to claim 1,
the second seal block (340) includes:
one end of the second connecting piece (341) is connected with the driving end of the second linear driving device, and the other end of the second connecting piece (341) is provided with a second ball head (3411);
the rear end of the second connecting seat (342) is provided with a second ball socket, the second ball head (3411) is matched in the second ball socket, the front end of the second connecting seat (342) is provided with a second mounting groove (3422), a stem column (3423) protruding from the bottom wall of the second mounting groove (3422) is arranged in the second mounting groove (3422), the stem column (3423) is provided with an inner hole (3424), a connecting hole (3425) is formed in the second connecting seat (342), the upstream end of the connecting hole (3425) is arranged on the outer surface of the second connecting seat (342), the downstream end of the connecting hole (3425) is communicated with the connecting hole (3425), a columnar second rubber block (343) is mounted in the second mounting groove (3422), and the stem column (3423) penetrates through the second rubber block (343) and is tightly connected with the second rubber block (343).
6. The detection apparatus for the exhaust system with the pressure difference pipe as claimed in claim 1, wherein the second clamping device (320) includes two rotating devices (350) disposed on the second base (310), a rotating end of each rotating device (350) is fixedly connected to one end of a clamping member (360), the clamping member (360) can swing in a space outside the front end plate (312) on the second base (310), a fitting hole (3121) for fitting the second sealing block (340) is disposed on the front end plate (312), and a clamping space with a variable opening is formed between the two clamping members (360).
7. The apparatus for detecting a venting system with a differential pressure tube as claimed in claim 1, wherein the second base (310) comprises:
a base plate (311), the base plate (311) being disposed on a substrate (100);
the front end plate (312) is arranged on the bottom plate (311), and a matching hole (3121) for matching the second sealing block (340) is formed in the front end plate (312);
rear end plate (313), rear end plate (313) set up on bottom plate (311), rear end plate (313) and front end plate (312) interval arrangement, set up second linear driving device (330) on the rear end plate, the drive end of second linear driving device (330) extends towards front end plate (312).
8. The detection apparatus for the exhaust system with the differential pressure pipe is characterized in that the detection apparatus further comprises an intermediate support column (600), the intermediate support column (600) is mounted on the base plate (100) and is located between the first airtight assembly (200) and the second airtight assembly (300), a positioning groove (610) is formed in the top of the intermediate support column (600), and a relief groove (620) is formed in the bottom of the positioning groove (610).
9. The detection device for the exhaust system with the pressure difference pipe as recited in claim 1, characterized in that a check valve or a solenoid valve for controlling the on-off of the air flow is arranged on the air inlet pipeline (410).
10. The detection apparatus with the exhaust system of the differential pressure pipe as claimed in claim 2, wherein the sliding platform (520) comprises a sliding table base (521), the sliding table base (521) is provided with an upper base (522) through a sliding rail, the sliding table base (521) is provided with a driving screw rod (523), the extending direction of the driving screw rod (523) is consistent with the extending direction of the sliding rail, the upper base (522) is provided with a thread sleeve (540) in threaded fit with the driving screw rod (523), the upper end of the upper base (522) is provided with an expansion piece (550), the expansion direction of the expansion piece (550) is crossed with the extending direction of the sliding rail, the expansion end of the expansion piece (550) is provided with a laser carving machine (530), the upper end of the upper base (522) is further provided with an upper support (560), and the upper support (560) is provided with a flow meter (420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220817439.3U CN217032937U (en) | 2022-04-08 | 2022-04-08 | Detection device for exhaust system with differential pressure pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220817439.3U CN217032937U (en) | 2022-04-08 | 2022-04-08 | Detection device for exhaust system with differential pressure pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217032937U true CN217032937U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220817439.3U Active CN217032937U (en) | 2022-04-08 | 2022-04-08 | Detection device for exhaust system with differential pressure pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116922090A (en) * | 2023-07-24 | 2023-10-24 | 广宗县力峰工贸有限公司 | Automatic stay cable cutting and riveting integrated machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116922090A (en) * | 2023-07-24 | 2023-10-24 | 广宗县力峰工贸有限公司 | Automatic stay cable cutting and riveting integrated machine |
| CN116922090B (en) * | 2023-07-24 | 2024-03-26 | 广宗县力峰工贸有限公司 | Automatic stay cable cutting and riveting integrated machine |
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