CN108918052B - A kind of automobile exhaust pipe leakage proof detection device - Google Patents
A kind of automobile exhaust pipe leakage proof detection device Download PDFInfo
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- CN108918052B CN108918052B CN201810751703.6A CN201810751703A CN108918052B CN 108918052 B CN108918052 B CN 108918052B CN 201810751703 A CN201810751703 A CN 201810751703A CN 108918052 B CN108918052 B CN 108918052B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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Abstract
The invention discloses a kind of automobile exhaust pipe leakage proof detection devices, it can solve the different same detection devices of length, shape, bending degree that traditional detection device is limited to exhaust pipe and do not have the characteristic that can be adapted to when in use, to which there are biggish limitations, and have the defects that adjustment is more troublesome when will test device and dock with exhaust pipe.Testing agency including bracket and at the top of it, coupled longitudinal adjusting mechanism is installed between the testing agency two sides, the frame bottom is equipped with lateral adjustment, it is characterized in that, it is provided with several tube seats arranged side by side on the bracket, and is respectively provided with the column of the vertical chute on the outer wall of the bracket two sides.Can be realized the contrasting detection that multiple same specification exhaust pipes are rapidly completed in work, it is ensured that the accuracy of test result, while device docked with pipeline be adjusted when it is flexible and convenient, can be suitable for different shape, curvature pipeline detection.
Description
Technical field
The present invention relates to a kind of detection devices, and in particular to a kind of automobile exhaust pipe leakage proof detection device.
Background technique
Automobile exhaust pipe is the pipeline positioned at motor vehicle exhaust emission, needs to carry out its leak resistance after production and processing
Detection, and detects automobile exhaust pipe leak resistance, needs using to specific detection device.
But existing automobile exhaust pipe leakage proof detection device is there are still certain defect, be limited to exhaust pipe length,
The different same detection devices of shape, bending degree do not have the characteristic that can be adapted to when in use, so that there are biggish limitations
Property, and have the defects that adjustment is more troublesome when will test device and dock with exhaust pipe, while the detection of detection device
As a result accuracy is also difficult to be guaranteed.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile exhaust pipe leakage proof detection devices, can solve traditional detection dress
It sets the different same detection devices of the length, shape, bending degree for being limited to exhaust pipe and does not have the spy that can be adapted to when in use
Property, so that there are biggish limitations, and lacked when will test device and docked with exhaust pipe in the presence of what adjustment was more troublesome
It falls into, while the accuracy of the testing result of detection device is also difficult to the problem of being guaranteed.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of automobile exhaust pipe leakage proof detection device, the testing agency including bracket and at the top of it, the inspection
It surveys between mechanism two sides and coupled longitudinal adjusting mechanism is installed, the frame bottom is equipped with lateral adjustment, institute
It states and is provided with several tube seats arranged side by side on bracket, and be respectively provided with the vertical of the vertical chute on the outer wall of the bracket two sides
Column；
It is provided with cross bar at the top of the longitudinal adjusting mechanism, several equally distributed extension bars are welded on the cross bar,
And the cross bar both ends are fixedly installed with slide plate, are respectively mounted on two slide plate back side side walls there are two pulley, two institutes
It states the pulley on slide plate side wall to be respectively embedded into inside two the vertical chutes, cross bar both ends bottom is respectively connected with liquid
Telescopic rod is pressed, the hydraulic telescopic rod bottom connects hydraulic pump, is equipped with bottom power supply on the hydraulic pump side wall；
It is provided with the identical air inlet duct of several specifications at the top of the testing agency, described air inlet duct one end is equipped with driving
Power supply, each air inlet duct top is provided with valve, and is mounted on barometer, the gas at the top of each air inlet duct
Pressure meter imports the measuring probe inside the air inlet duct by conducting wire connection, and the testing agency bottom is equipped with several difference
The connector being connected with the air inlet duct, the connector bottom end connects apical grafting pipe, and the position of each apical grafting pipe is correspondingly arranged
On a tube seat；
The lateral adjustment both ends are mounted on adjusting motor, connect between two transmission shafts for adjusting motor
There is backboard, several gas tanks are fixedly installed on the backboard side wall, are mounted on motor on each gas tank side wall, it is described
A shaft is connected on motor side wall, described shaft one end connects air pump, connection bottom adapter tube at the top of the air pump, and the gas
Pump is connected by pipeline with the gas tank, and the air pump is provided in the middle part of the side wall of the motor to be welded with the shaft
Fixed connects hole, is equipped with castor in the middle part of the side wall of the air pump other side, several described air pump sides are provided with pedestal, institute
It states and is provided with horizontal concrete chute in the middle part of the pedestal side wall adjacent with the air pump, the castor is embedded in inside the horizontal concrete chute,
Built-in power is embedded on the outer wall of the pedestal other side.
Preferably, the apical grafting pipe is by being flexibly connected in vertical direction between longitudinal adjusting mechanism and bracket, and examines
The activity direction for surveying mechanism is identical as the direction of the vertical chute.
Preferably, bottom adapter tube is by being flexibly connected in horizontal direction between lateral adjustment and bracket, and bottom
The activity direction of adapter tube and the direction of horizontal concrete chute are identical.
Preferably, the bottom adapter tube between the shaft being connected of the transmission shaft with motor and base side wall in activity by connecting
It connects.
Preferably, the bottom power supply is electrically connect between hydraulic pump, adjusting motor respectively by several conducting wires,
The driving power is electrically connect between several barometers respectively by several conducting wires, if the built-in power passes through
A dry conducting wire is electrically connect between several motors, air pump respectively.
Preferably, the apical grafting pipe is corresponding with the position that bottom is taken over.
A kind of detection method of automobile exhaust pipe leak resistance, specific steps include:
Step 1: the exhaust pipe of several same specifications detected will be needed to be individually positioned in inside the tube seat, tail
It is docked with the apical grafting pipe on the top of feed channel；
Step 2: starting the longitudinal adjusting mechanism, two hydraulic telescopic rods stretch and drive the cross bar along
The direction of the vertical chute is up and down, until the longitudinal adjusting mechanism is taken over close to the bottom；
Step 3: the motor that adjusts of starting two carries out the adjustment of bottom adapter tube lateral position, then passes through the electricity
Machine driving is rotated with the shaft, is driven the air pump and the bottom to take over rotation and is adjusted the angle, described after the completion of adjusting
Bottom, which is taken over, faces the bottom end of exhaust pipe, staff dock and by exhaust pipe head and the tail both ends and the apical grafting pipe,
With the testing agency is started after sealing necklace encapsulation process at the docking of the bottom adapter tube, start to detect；
Step 4: when starting the testing agency, several exhaust pipes detect together, the air pump simulated automotive tail gas row
It puts and passes through the bottom adapter tube and feed gas into exhaust pipe, the gas being sent into inside exhaust pipe gradually flows to the described of sealing
Inside air inlet duct, each barometer passes through the corresponding air inlet of measuring probe moment detection respectively in the circulation process
Slot air pressure inside state simultaneously records data, stops detection after the air inlet duct fills gas, and staff compares synchronization
The data information of several pipelines, and data and qualified pipeline data are compared.
Beneficial effects of the present invention: it by the way that several tube seats arranged side by side are arranged on bracket, enables a device to several
The exhaust pipe of unified specification carries out anti-leak detection simultaneously, can be derived that more parts of correlation datas, so that testing result is more
Accurately, and detection efficiency is also higher.
By the longitudinal adjusting mechanism that installation and detection mechanism is connected on device, enable testing agency with vertical
Drive exhaust pipe bottom end close to bottom adapter tube direction to the adjustment of regulating mechanism, the presence of longitudinal adjusting mechanism is not only
It is more convenient to obtain height adjustment of the exhaust pipe in docking, and enables a device to the offgas duct suitable for different length
Road, practicability are stronger.
By installing lateral adjustment in bottom of device, due to exhaust pipe and non-linear structure, so that completing
It needs to start lateral adjustment after the adjustment of longitudinal adjusting mechanism and be adjusted again, utilize the drive rod of two adjusting motors
It drives and takes over the air pump, motor and the gas tank that are connected along the direction lateral displacement position of horizontal concrete chute, to complete the bottom of with
The adjustment of lateral position, and the presence of motor and shaft are taken in bottom, and the angle that bottom is taken over passes through motor driven
Carry out rotation adjustment, the presence of lateral adjustment not only facilitates position when docking, angle adjustment, but also enables device
Enough it is suitable for the exhaust pipe detection of different shape, camber.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is overall structure of the present invention；
Fig. 2 is supporting structure schematic diagram of the present invention；
Fig. 3 is transverse and longitudinal regulating mechanism structural schematic diagram of the present invention；
Fig. 4 is testing agency's structural schematic diagram of the present invention；
Fig. 5 is lateral adjustment structural schematic diagram of the present invention；
Fig. 6 is lateral adjustment explosive view of the present invention；
Fig. 7 is electric machine structure schematic diagram of the present invention；
Fig. 8 is the air pump back side of the present invention structural scheme of mechanism；
In figure: 1, bracket；2, longitudinal adjusting mechanism；3, testing agency；4, lateral adjustment；5, column；6, vertical sliding
Slot；7, tube seat；8, hydraulic pump；9, bottom power supply；10, hydraulic telescopic rod；11, cross bar；12, extension bar；13, slide plate；14, pulley；
15, air inlet duct；16, barometer；17, measuring probe；18, valve；19, connector；20, apical grafting pipe；21, driving power；22, it carries on the back
Plate；23, pedestal；24, built-in power；25, gas tank；26, motor；27, air pump；28, bottom is taken over；29, motor is adjusted；30, laterally
Sliding slot；31, castor；32, shaft；33, hole is connect.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
Please refer to shown in Fig. 1-8, a kind of automobile exhaust pipe leakage proof detection device, including bracket 1 and be located at its top
Testing agency 3, coupled longitudinal adjusting mechanism 2 is installed between 3 two sides of testing agency, 1 bottom of bracket is equipped with cross
To regulating mechanism 4, bracket 1 is used to support whole device, and longitudinal adjusting mechanism 2 is used for the height of longitudinally adjusted testing agency 3, horizontal
To regulating mechanism 4 for adjusting lateral position and the angle of bottom adapter tube 28 when exhaust pipe is docked with device, set on bracket 1
Several tube seats 7 arranged side by side are equipped with, several exhaust pipes can be placed simultaneously, so as to be examined simultaneously to multiple pipelines
It surveys, and is respectively provided with the column 5 of the vertical chute 6 on 1 two sides outer wall of bracket, the sliding slot 6 on column 5 is used for leading detection machine
Structure 3 adjusts direction when height；
It is provided with cross bar 11 at the top of longitudinal adjusting mechanism 2, several equally distributed extension bars 12 are welded on cross bar 11, and
11 both ends of cross bar are fixedly installed with slide plate 13, are respectively mounted on two 13 back side side walls of slide plate there are two pulley 14, two slide plates
Pulley 14 on 13 side walls is respectively embedded into inside two the vertical chutes 6, and 11 both ends bottom of cross bar is respectively connected with hydraulic telescopic rod 10,
10 bottom of hydraulic telescopic rod connects hydraulic pump 8, is equipped with bottom power supply 9 on 8 side wall of hydraulic pump；
The identical air inlet duct 15 of several specifications is provided at the top of testing agency 3,15 one end of air inlet duct is equipped with driving electricity
Source 21 is provided with valve 18 at the top of each air inlet duct 15, and is mounted on barometer 16, barometer at the top of each air inlet duct 15
16 by conducting wire connect import air inlet duct 15 inside measuring probe 17,3 bottom of testing agency be equipped with several respectively with into
The connector 19 that air drain 15 is connected, 19 bottom end of connector connects apical grafting pipe 20, and the position of each apical grafting pipe 20 is correspondingly arranged at
On one tube seat 7；
4 both ends of lateral adjustment, which are mounted on, adjusts motor 29, is connected between the transmission shaft of two adjusting motors 29
Backboard 22 is fixedly installed with several gas tanks 25 on 22 side wall of backboard, is mounted on motor 26, motor on each 25 side wall of gas tank
A shaft 32 is connected on 26 side walls, 32 one end of shaft connects air pump 27, and bottom adapter tube 28, and air pump 27 are connected at the top of air pump 27
It is connected by pipeline with gas tank 25, air pump 27 is provided in the middle part of the side wall of motor 26 and connects hole with what shaft 32 was welded and fixed
33,27 other side side wall middle part of air pump is equipped with castor 31, several 27 sides of air pump are provided with pedestal 23, pedestal 23 and gas
It pumps and is provided with horizontal concrete chute 30 in the middle part of 27 adjacent side walls, castor 31 is embedded in inside horizontal concrete chute 30, outside 23 other side of pedestal
Built-in power 24 is embedded on wall.
Apical grafting pipe 20 passes through being flexibly connected in vertical direction between longitudinal adjusting mechanism 2 and bracket 1, and testing agency 3
Activity direction it is identical as the direction of the vertical chute 6, stretched using the hydraulic telescopic rod 10 on two 8 tops of hydraulic pump to drive cross
Bar 11 is up and down along the direction of the vertical chute 6, since cross bar 11 is respectively fixedly connected with by several extension bars 12 thereon
Connector 19 on apical grafting pipe 20, enables testing agency 3 to drive exhaust pipe bottom end with the adjustment of longitudinal adjusting mechanism 2
Close, the presence of longitudinal adjusting mechanism 2 to 28 direction of bottom adapter tube, be not only exhaust pipe docking when height adjustment more
It is convenient, and the exhaust pipe suitable for different length is enabled a device to, practicability is stronger.
Bottom adapter tube 28 is by being flexibly connected in horizontal direction between lateral adjustment 4 and bracket 1, and bottom adapter tube 28
Activity direction is identical as the direction of horizontal concrete chute 30, is driven using the drive rod of two adjusting motors 29 and is connected with bottom adapter tube 28
Air pump 27, motor 26 and gas tank 25 along horizontal concrete chute 30 direction lateral displacement position, thus the lateral position of bottom adapter tube 28
The adjustment set, the presence of lateral adjustment 4 facilitate position when docking to adjust.
Bottom adapter tube 28 by being movably connected between 23 side wall of the shaft 32 being connected with the transmission shaft of motor 26 and pedestal,
The shaft 32 being connected with air pump 26 is driven to rotate by motor 26, so that air pump 27 and bottom adapter tube 28 be driven to rotate adjusting angle
Degree enables a device to the exhaust pipe detection for being suitable for different shape, camber.
Bottom power supply 9 is electrically connect between hydraulic pump 8, adjusting motor 29 respectively by several conducting wires, driving electricity
Source 21 is electrically connect between several barometers 16 respectively by several conducting wires, and built-in power 24 passes through several conducting wires
It is electrically connect between several motors 26, air pump 27 respectively, so that there is enough various components at runtime inside device
Power source.
Apical grafting pipe 20 is corresponding with the position of bottom adapter tube 28, not only facilitates adjustment, but also be directed to linear offgas duct
Road can be used directly when docking.
A kind of detection method of automobile exhaust pipe leak resistance, specific steps include:
Step 1: the exhaust pipe of several same specifications detected will be needed to be individually positioned in inside tube seat 7, offgas duct
The top in road is docked with apical grafting pipe 20, due to the length issue of exhaust pipe, so as to exhaust pipe bottom end and bottom adapter tube 28
It needs to be adjusted when docking；
Step 2: first start longitudinal adjusting mechanism 2, stretched using the hydraulic telescopic rod 10 on two 8 tops of hydraulic pump come band
Dynamic cross bar 11 is up and down along the direction of the vertical chute 6, since cross bar 11 is fixed respectively by several extension bars 12 thereon
The connector 19 on apical grafting pipe 20 is connected, testing agency 3 is enabled to drive exhaust pipe with the adjustment of longitudinal adjusting mechanism 2
Bottom end is close to 28 direction of bottom adapter tube；
Step 3: due to exhaust pipe and non-linear structure, so that being needed after the adjustment for completing longitudinal adjusting mechanism 2
Starting lateral adjustment 4 is adjusted again, is driven using the drive rod of two adjusting motors 29 and is connected with bottom adapter tube 28
Air pump 27, motor 26 and gas tank 25 along horizontal concrete chute 30 direction lateral displacement position, thus the lateral position of bottom adapter tube 28
The adjustment set, then drive the shaft 32 being connected with air pump 26 to rotate by motor 26, so that air pump 27 and bottom be driven to take over
28 rotations adjust the angle, and the bottom adapter tube 28 after the completion of adjusting faces the bottom end of exhaust pipe, staff docked and incite somebody to action
Exhaust pipe head and the tail both ends start testing agency 3 after sealing necklace encapsulation process with the place of docking of apical grafting pipe 20, bottom adapter tube 28
Start to detect；
Step 4: when starting testing agency 3, several exhaust pipes detect together, and air pump 27 starts first, simulated automotive
Exhaust emissions simultaneously feeds gas into exhaust pipe by bottom adapter tube 28, and the gas being sent into inside exhaust pipe gradually flows to sealing
Inside air inlet duct 15, air inlet duct 15 is using preceding equal vent gas, in the circulation process each 16 (model are as follows: DT- of barometer
8890) corresponding 15 air pressure inside state of air inlet duct is detected by 17 moment of measuring probe respectively and records data, in air inlet duct 15
It fills and stops detection after gas, staff compares the data information of the several pipelines of synchronization, and by data and qualified pipeline
Data compare.
In the use of the present invention, firstly, completing bracket 1 and longitudinal adjusting mechanism 2, testing agency 3 and horizontal line adjusting machine
Assembling between structure 4 then will need the exhaust pipe of several same specifications detected to be individually positioned in inside tube seat 7, benefit
Anti- leak detection is carried out simultaneously with the exhaust pipe of several unified specifications, can be derived that more parts of correlation datas, so that detection knot
Fruit is more accurate, and detection efficiency is also higher, and the top of exhaust pipe is docked with apical grafting pipe 20, due to the length of exhaust pipe
Problem first starts longitudinal adjusting mechanism 2, benefit so that needing to be adjusted when docking exhaust pipe bottom end with bottom adapter tube 28
It is stretched with the hydraulic telescopic rod 10 on two 8 tops of hydraulic pump to drive cross bar 11 up and down along the direction of the vertical chute 6, by
It is respectively fixedly connected with the connector 19 on apical grafting pipe 20 by several extension bars 12 thereon in cross bar 11, enables testing agency 3
It is enough to drive exhaust pipe bottom end close to 28 direction of bottom adapter tube with the adjustment of longitudinal adjusting mechanism 2, longitudinal adjusting mechanism 2
In the presence of, be not only exhaust pipe docking when height adjustment it is more convenient, and enable a device to be suitable for different length
The exhaust pipe of degree, practicability are stronger.Due to exhaust pipe and non-linear structure, so that completing longitudinal adjusting mechanism 2
It needs to start lateral adjustment 4 after adjustment to be adjusted again, is driven using the drive rod of two adjusting motors 29 and connect the bottom of with
Air pump 27, motor 26 and the gas tank 25 that pipe 28 is connected along horizontal concrete chute 30 direction lateral displacement position, so that bottom connects
The adjustment of 28 lateral position of pipe, then drive the shaft 32 being connected with air pump 26 to rotate by motor 26, to drive air pump 27
And the rotation of bottom adapter tube 28 adjusts the angle, the bottom adapter tube 28 after the completion of adjusting faces the bottom end of exhaust pipe, and staff will
It docks and starts at the place of docking of exhaust pipe head and the tail both ends and apical grafting pipe 20, bottom adapter tube 28 with after sealing necklace encapsulation process
Testing agency 3 starts to detect, the presence of lateral adjustment 4, and position when docking, angle is not only facilitated to adjust, but also make
Device can be suitable for the exhaust pipe detection of different shape, camber.When starting testing agency 3, several exhaust pipes are together
Detection, air pump 27 start first, and simulated automotive exhaust emissions simultaneously feeds gas into exhaust pipe by bottom adapter tube 28, are sent into tail
Gas inside feed channel gradually flows to inside the air inlet duct 15 of sealing, and air inlet duct 15 is using preceding equal vent gas, is circulating
Each barometer 16 detects corresponding 15 air pressure inside state of air inlet duct by 17 moment of measuring probe respectively and records number in the process
According to the stopping detection after air inlet duct 15 fills gas, staff compares the data information of the several pipelines of synchronization, and will count
It is compared according to qualified pipeline data, to accurately show whether exhaust pipe is revealed and the information of leakiness.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of automobile exhaust pipe leakage proof detection device, the testing agency (3) including bracket (1) and at the top of it, institute
It states and is installed coupled longitudinal adjusting mechanism (2) between testing agency (3) two sides, bracket (1) bottom is equipped with cross
To regulating mechanism (4), which is characterized in that be provided with several tube seats arranged side by side (7), and the bracket (1) on the bracket (1)
The column (5) of the vertical chute (6) is respectively provided on the outer wall of two sides；
It is provided with cross bar (11) at the top of the longitudinal adjusting mechanism (2), is welded with several on the cross bar (11) and is uniformly distributed
Extension bar (12), and the cross bar (11) both ends are fixedly installed with slide plate (13), on two slide plate (13) back side side walls
Be respectively mounted there are two pulley (14), the pulley (14) on two slide plate (13) side walls be respectively embedded into two it is described vertical
Sliding slot (6) is internal, and cross bar (11) the both ends bottom is respectively connected with hydraulic telescopic rod (10), hydraulic telescopic rod (10) bottom
It connects hydraulic pump (8), bottom power supply (9) is installed on hydraulic pump (8) side wall；
The identical air inlet duct of several specifications (15), air inlet duct (15) one end peace are provided at the top of the testing agency (3)
Equipped with driving power (21), it is provided with valve (18) at the top of each air inlet duct (15), and each air inlet duct (15)
Top is mounted on barometer (16), and the barometer (16) imports the internal measurement of the air inlet duct (15) by conducting wire connection
It pops one's head in (17), testing agency (3) bottom is equipped with several connectors (19) being connected respectively with the air inlet duct (15),
Connector (19) bottom end connects apical grafting pipe (20), and the position of each apical grafting pipe (20) is correspondingly arranged at a tube seat (7)
On；
Lateral adjustment (4) both ends, which are mounted on, adjusts motor (29), two transmission shafts for adjusting motor (29)
Between be connected with backboard (22), be fixedly installed with several gas tanks (25), each gas tank on backboard (22) side wall
(25) it is mounted on side wall motor (26), a shaft (32), the shaft (32) is connected on motor (26) side wall
One end connects air pump (27), connection bottom adapter tube (28) at the top of the air pump (27), and the air pump (27) by pipeline with it is described
Gas tank (25) is connected, and the air pump (27) is provided in the middle part of the side wall of the motor (26) welds with the shaft (32)
Fixed connects hole (33), is equipped with castor (31) in the middle part of the side wall of air pump (27) other side, several described air pumps (27)
Side is provided with pedestal (23), is provided with horizontal concrete chute in the middle part of the pedestal (23) side wall adjacent with the air pump (27)
(30), the castor (31) is embedded in horizontal concrete chute (30) inside, is embedded on the outer wall of pedestal (23) other side built-in
Power supply (24).
2. a kind of automobile exhaust pipe leakage proof detection device according to claim 1, which is characterized in that the apical grafting pipe
(20) pass through being flexibly connected in vertical direction between longitudinal adjusting mechanism (2) and bracket (1), and the activity of testing agency (3)
Direction is identical as the direction of the vertical chute (6).
3. a kind of automobile exhaust pipe leakage proof detection device according to claim 1, which is characterized in that the bottom adapter tube
(28) by being flexibly connected in horizontal direction between lateral adjustment (4) and bracket (1), and the activity side of (28) is taken at bottom
To identical as the direction of horizontal concrete chute (30).
4. a kind of automobile exhaust pipe leakage proof detection device according to claim 1, which is characterized in that the bottom adapter tube
(28) by being movably connected between the shaft (32) being connected with the transmission shaft of motor (26) and pedestal (23) side wall.
5. a kind of automobile exhaust pipe leakage proof detection device according to claim 1, which is characterized in that the bottom power supply
(9) it is electrically connect between hydraulic pump (8), adjusting motor (29) respectively by several conducting wires, the driving power (21)
It is electrically connect between several barometers (16) respectively by several conducting wires, the built-in power (24) passes through several
Conducting wire is electrically connect between (27) with several motors (26), air pump respectively.
6. a kind of automobile exhaust pipe leakage proof detection device according to claim 1, which is characterized in that the apical grafting pipe
(20) corresponding with the bottom adapter tube position of (28).
7. a kind of anti-using any one of claim 1-6 automobile exhaust pipe leakage proof detection device detection automobile exhaust pipe
Leak the method for performance, which is characterized in that this method specific steps include:
Step 1: the exhaust pipe for needing several same specifications detected is individually positioned in the tube seat (7) inside, tail gas
It is docked with the apical grafting pipe (20) on the top of pipeline；
Step 2: starting the longitudinal adjusting mechanism (2), and two hydraulic telescopic rods (10) are flexible and drive the cross bar
(11) direction along the vertical chute (6) is up and down, until the longitudinal adjusting mechanism (2) are taken over close to the bottom
(28)；
Step 3: described adjust motor (29) of starting two carry out the adjustment of bottom adapter tube (28) lateral position, then pass through institute
It states motor (26) and drives shaft (32) rotation, the air pump (27) and the bottom is driven to take over (28) rotation adjusting angle
Degree, the bottom adapter tube (28) after the completion of adjusting face the bottom end of exhaust pipe, and staff is docked and by offgas duct
After road head and the tail both ends seal necklace encapsulation process with the place of docking of the apical grafting pipe (20), bottom adapter tube (28) described in starting
Testing agency (3), starts to detect；
Step 4: when starting the testing agency (3), several exhaust pipes detect together, air pump (27) the simulated automotive tail
Gas, which discharges and passes through the bottom adapter tube (28), feeds gas into exhaust pipe, and the gas being sent into inside exhaust pipe gradually flows to close
The air inlet duct (15) of envelope is internal, and each barometer (16) passes through the measuring probe (17) respectively in the circulation process
Corresponding air inlet duct (15) the air pressure inside state of moment detection simultaneously records data, stops after the air inlet duct (15) fills gas
It only detects, staff compares the data information of the several pipelines of synchronization, and data and qualified pipeline data are compared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810751703.6A CN108918052B (en) | 2018-07-10 | 2018-07-10 | A kind of automobile exhaust pipe leakage proof detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810751703.6A CN108918052B (en) | 2018-07-10 | 2018-07-10 | A kind of automobile exhaust pipe leakage proof detection device |
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| Publication Number | Publication Date |
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| CN108918052A CN108918052A (en) | 2018-11-30 |
| CN108918052B true CN108918052B (en) | 2019-12-03 |
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| CN201810751703.6A Active CN108918052B (en) | 2018-07-10 | 2018-07-10 | A kind of automobile exhaust pipe leakage proof detection device |
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| CN109708930B (en) * | 2019-01-24 | 2022-07-19 | 浙江共安检测鉴定技术有限公司 | A linking system for automobile exhaust detects |
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| US4164150A (en) * | 1976-06-03 | 1979-08-14 | Mannesmann Aktiengesellschaft | System for inspecting tubes or pipes by means for ultrasonics |
| CN105806568A (en) * | 2016-03-25 | 2016-07-27 | 广西玉柴机器股份有限公司 | Leakage test tool for exhaust pipe |
| CN206756396U (en) * | 2017-06-02 | 2017-12-15 | 莱州新安达汽车零部件有限公司 | The automatic positoning sealing device of cold preceding air inlet pipe in a kind of |
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| KR101589129B1 (en) * | 2014-06-24 | 2016-01-27 | 삼성중공업 주식회사 | Leakage test apparatus |
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| US4164150A (en) * | 1976-06-03 | 1979-08-14 | Mannesmann Aktiengesellschaft | System for inspecting tubes or pipes by means for ultrasonics |
| CN105806568A (en) * | 2016-03-25 | 2016-07-27 | 广西玉柴机器股份有限公司 | Leakage test tool for exhaust pipe |
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