CN105987832B - Vehicle exhaust is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus - Google Patents
Vehicle exhaust is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus Download PDFInfo
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- CN105987832B CN105987832B CN201610342196.1A CN201610342196A CN105987832B CN 105987832 B CN105987832 B CN 105987832B CN 201610342196 A CN201610342196 A CN 201610342196A CN 105987832 B CN105987832 B CN 105987832B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 41
- 210000001331 nose Anatomy 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 210000005069 ears Anatomy 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
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Abstract
It is detected the invention discloses a kind of vehicle exhaust and is connected trolley between vehicle and Tail gas measuring collection apparatus, including vehicle frame, the rear and front end of the vehicle frame has been respectively articulated with front swing arm and rear-swing arm, involving between the front swing arm and rear-swing arm has linkage steel wire, it is provided with access tube on the free end of the front swing arm, accumbency picks out pipe on the vehicle frame, it the access tube and picks out and is connected with spring connecting leg between pipe, the access tube, spring connecting leg have been implanted into tail gas collection tube with the pipeline that pipe three is connected to is picked out.Connection tube feeding underbody is connect by the present invention by being connected trolley with tested tailstock tracheae, it re-extends out and be attached with Tail gas measuring collection apparatus, play the role of concatenation well, in order to enable linking trolley to pierce underbody around guardrail, the linkage performance of front swing arm and rear-swing arm is relied on, well control height, then divide three sections by connection tube, it realizes that connection tube flexibly deforms, can flexibly select position and be docked on tested tailstock tracheae.
Description
Technical field
The present invention relates to automobile emission gas analyzer equipment technical field, more specifically a kind of vehicle exhaust is detected vehicle and tail
It is connected trolley between gas detection collection apparatus.
Background technology
In order to strictly control pollutant of vehicle exhaust discharge, foundation《The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution》、
《People's Republic of China's noise abatement method》Etc. relevant laws and regulations, all parts of the country all carried out fixed with motor vehicle environmental protection
Phase examines work, and the vehicle for promoting exhaust emissions exceeded carries out maintenance and repair or eliminates, and can so greatly reduce motor-vehicle tail-gas
Exhaust emission.
However, in motor vehicle environmental protection inspection body in checkout procedure, a large amount of pernicious gases of vehicular emission cause to detect
Room environmental very severe.For this purpose, Some Domestic producer develops some exhaust collections, processing unit, but due to domestic vehicles type
Number numerous, offgas duct position is multifarious, and for Some vehicles offgas duct at the middle part or front of underbody, measuring station operating personnel will be by
It is difficult to be linked up between inspection vehicle and Tail gas measuring collection apparatus, that is, is difficult that tail gas collection tube or tail gas are withdrawn pipe
It is steadily sleeved in offgas duct, so connection reliability is not strong, and the health of testing staff is injured larger.
Chinese utility model patent ZL201120076621.X discloses a kind of probe socket of automobile exhaust gas checking apparatus,
Wherein it is to be navigated to tail gas collection tube at the tail gas nozzle of automobile by instrument, but be located at vehicle in offgas duct in the technology
But there is the case where not being adapted in the large-sized diesel vehicle of the truck of bottom inside, truck etc, in addition such truck,
Truck has the requirement for installing guardrail additional again, so the chassis of the device can not be successfully into vehicle bottom, it is single to be suitable for
In domestic sedan car.It is asked in addition, being easy to happen to drop out etc. if even if arranging tail gas collection tube in the shake of safe vehicle reluctantly
Topic.
Invention content
It is an object of the invention to overcome prior art automobile emission gas analyzer retracting device can not effectively and tested vehicle
Offgas duct is mutually connected the deficiency of cooperation, provides a kind of dexterous structure, easy to operate, reliable and stable, wide adaptability, environmental protection peace
Entirely, the vehicle exhaust that can effectively carry out back work tested is connected trolley between vehicle and Tail gas measuring collection apparatus.
In order to reach object above, the present invention is achieved by the following technical solutions：A kind of vehicle exhaust be detected vehicle with
It is connected trolley, including vehicle frame and the wheel mounted on the bottom of frame between Tail gas measuring collection apparatus, which is characterized in that institute
The rear and front end for stating vehicle frame has been respectively articulated with front swing arm and rear-swing arm, and involving between the front swing arm and rear-swing arm has linkage steel
Silk, is provided with access tube on the free end of the front swing arm, on the vehicle frame accumbency pick out pipe, the access tube and pick out pipe
Between be connected with spring connecting leg, the access tube, spring connecting leg have been implanted into tail gas acquisition with the pipeline that pipe three is connected to is picked out
Pipe.
Connection tube feeding underbody is connect by the present invention by being connected trolley with tested tailstock tracheae, re-extends out and tail gas
Detection collection apparatus is attached, and plays the role of concatenation well, in order to enable linking trolley to pierce underbody around guardrail, according to
The linkage performance of front swing arm and rear-swing arm is held in the palm, well control height, then divide three sections by connection tube（Access tube, spring connecting leg and
Pick out pipe）, interlude use bourdon tube, realize connection tube flexibly deform, can flexibly select position and be docked on tested tailstock tracheae,
Tail gas collection tube is reliably inserted in tested tailstock tracheae, and tested tailstock tracheae is also by safe and reliable recycling.
Preferably, the front end of the tail gas collection tube is stretched out outside the nozzle of the access tube, the tail gas collection tube
Rear end is provided on the side wall for picking out pipe for tail gas collection tube rear end by being stretched out on the side wall for picking out pipe to stretch
The delivery line gone out.
Access tube, spring connecting leg and pick out pipe triple combination formation connection tube can carry out tail gas recycle well, but
Main purpose also resides in the sampling of tail gas collection tube and is detected, and tail gas collection tube is implanted into connection tube, accurate in order to reach detection
Property, it needs to extend into the offgas duct of tested vehicle, so tail gas collection tube must stretch out outside connection tube.
Preferably, the bend pipe that the access tube at right angles turns to.
The access tube being connected with detected offgas duct use right-angle elbow pipe so that connection tube inlet angle be connected trolley
At a right angle, so meet most of Vehicular exhaust pipes in car bottom again towards the design after vehicle so that linking trolley side is vertical
It is pushed into underbody, then connection tube is adapted to sexual deviation access very well.
Preferably, the access tube is set to by a set of tube socket on the front swing arm, on the side wall of described sleeve pipe seat
It is provided with sliding block, the slide block set is set on the front swing arm, and buffer spring, the buffering elastic are also arranged with outside the front swing arm
Spring one end acts against on the sliding block, and the other end acts against on the step on the front swing arm.
Tail gas is detected vehicle in the detection, and vehicle needs to start operation, so vehicle can be shaken, connection tube is easy de-
It falls.And the present invention is installed by the effective buffer gear of access to connection tube leading portion, on the one hand, so that access tube also with
In vehicle dither process, and then same frequency is shaken, and keeps up with being consistent property of beat, prevents the stiff cooperation of sound and fall off, separately
On the one hand, shake dynamics is buffered, prevents from destroying parts.
Preferably, being connected with bearing block between the sliding block and casing seat.
Sliding block, " slide bar "（Front swing arm）And buffer spring can only play the axis direction buffering at " slide bar ", and add
After bearing block so that there are more selections in the direction of buffering.
Preferably, the access tube is set to by a set of tube socket on the front swing arm, the access tube and casing seat
Free pivot bush unit, described sleeve pipe seat are respectively arranged with a lug on pair of horns, on the access tube two lugs it
Between centre position be provided with a hanging nose, be connected with a reset between the corresponding lug in wherein side and its side of the hanging nose
Spring, the other side of the hanging nose, which involves, a traction steel wire, and the traction steel wire on another lug by passing through and being directed to one
On capstan winch, the capstan winch is set in the shaft on rear-swing arm, is provided with a rotating handle on the capstan winch, in the shaft
It is additionally provided with a ratchet, ratchet clutch nearby is provided with a pawl, and the pawl is articulated on the rear-swing arm.
By long range dock enter pipe carry out simulation rotate back and forth action, facilitate access tube to be preferably smoothly linked into offgas duct
On.In addition when access tube is right-angle elbow pipe, if access tube outlet is too fixed, fine tuning tail gas can not be directed at well
It manages, therefore carry out rotation fine tuning to be highly desirable.
Preferably, being disposed with several traction guide wheels for lifting the traction steel wire on vehicle frame.
In order to allow traction steel wire preferably cabling, interference is not generated between other parts, so using several guide wheels
Control.
It is connected with spring guide preferably, extending at the nozzle of the access tube, one is provided in the spring guide
Sliding sleeve is set to the guide ring on tail gas collection tube, and the guide ring is fixed on the spring guide pipe by several reinforcing ribs
On inner wall at mouthful, a loudspeaker guide sleeve is also associated at the nozzle of the spring guide, the tail gas collection tube stretches out the bullet
Outside the nozzle of spring conduit.
In order to which offgas duct can be accessed well, in nozzle plus loudspeaker guide sleeve, there is guiding role, the bullet in addition added
Spring conduit improves the adaptation between access tube and offgas duct, anti-gas-leak.
Preferably, being disposed with several linkage guide wheels for lifting the linkage steel wire, the linkage steel on the vehicle frame
The link position of silk and front swing arm and rear-swing arm closes on both rear articulated position with the vehicle frame respectively, the front swing arm and vehicle
The articulated position of frame is provided with a torsional spring.
In order to allow linkage steel wire not generate interference between cabling, with other parts preferably, so using several guide wheels
Control.In addition, in order to allow front swing arm and rear-swing arm preferably to play linkage, the position of drawing is lower cascade more preferable.
Torsional spring plays very crucial effect, and the linkage of front and back swing arm establishes the dead weight state in front swing arm under normal circumstances
Under, so torsional spring is abolished this restraining factors so that device operation is smooth.
Preferably, the rear-swing arm is provided with on the articulated shaft of vehicle frame hinged place in moving teeth, it is described to stay moving teeth and hinge
Spindle static state is fixed on the vehicle frame, described to be provided in pawl in moving teeth clutch nearby, described to be slideably positioned in pawl
In sliding sleeve, the sliding sleeve is set on the rear-swing arm, and the free end in pawl, which involves, push-pull rod, the push-pull rod
Free end is connected with drive rod, several guide holders for being oriented to the push-pull rod sliding are provided on the rear-swing arm, described to stay
It is arranged with a compression spring outside push-pull rod between the adjacent guide holder of pawl.
After completing the combination of access tube and offgas duct when front swing arm, if rear-swing arm can locking well, will disappear
Except the interference to front swing arm, the stability of mechanism is improved.But it needs to ensure that rear-swing arm can neatly drive front swing arm, institute again
To use parking gear principle.
Preferably, the pipe that picks out is banded in by anchor ear on the vehicle frame.
In order to facilitate the maintenance of tail gas collection tube, easy to disassemble, repair or can replace, so picking out pipe can not consolidate
It is fixed, but need detachable installation.
Preferably, being provided with handle stem on the free end of the rear-swing arm, brake hand handle is provided on the handle stem,
The brake hand handle is connected with a brake block by brake cable, and the brake block is set on the wheel.
In order to ensure to be connected the stability of trolley at work, elimination wheel is freely unfettered and shakes linking trolley,
So carrying out brake design to wheel.
Advantageous effect：Connection tube feeding underbody is connect by the present invention by being connected trolley with tested tailstock tracheae, is re-extended
It is out attached with Tail gas measuring collection apparatus, plays the role of concatenation well, tail gas collection tube is reliably inserted tested
In tailstock tracheae, and tested tailstock tracheae is also by safe and reliable recycling.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of access tube of the present invention and its attachment；
Fig. 3 is the structural schematic diagram of rear-swing arm of the present invention and its attachment.
In figure：1- vehicle frames, 2- wheels, 3- front swing arms, 4- rear-swing arms, 5- linkage steel wires, 6- linkage guide wheels, 7- casing seats,
8- access tubes, 9- pick out pipe, 10- spring connecting legs, 11- anchor ears, 12- tail gas collection tubes, 13- delivery lines, 14- sliding blocks, 15- bearings
Seat, 16- buffer springs, 17- lugs, 18- hanging noses, 19- resetting springs, 20- traction steel wires, 21- capstan winches, 22- shafts, 23- rotations
Handle is changed hands, 24- ratchets, 25- pawls, 26- traction guide wheels, 27- articulated shafts, 28- is in moving teeth, and 29- is in pawl, 30- sliding sleeves, 31-
Push-pull rod, 32- drive rods, 33- guide holders, 34- compression springs, 35- handle stems, 36- brake hand handles, 37- brake blocks, 38- bullets
Spring conduit, 39- guide rings, 40- reinforcing ribs, 41- loudspeaker guide sleeves.
Specific implementation mode
In order to make technological means, creation characteristic and the reached purpose of the present invention be readily apparent from understanding, below in conjunction with specific reality
Applying example, the present invention is further explained.
Embodiment：As shown in Figure 1, a kind of vehicle exhaust is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus, including
The wheel 2 of vehicle frame 1 and wheel 2 mounted on 1 bottom of vehicle frame, 1 bottom of vehicle frame includes two universal wheels for being located at front side, and
The rear and front end of two load wheels for being located at rear side, vehicle frame 1 has been respectively articulated with a pair of of front swing arm 3 and a pair of of rear-swing arm 4, wherein being located at
Involving between one front swing arm 3 and a rear-swing arm 4 of 1 the same side of vehicle frame has a linkage steel wire 5, and there are two lift arrangement on vehicle frame 1
Link the linkage guide wheel 6 of steel wire 5, the link position of linkage steel wire 5 and front swing arm 3 and rear-swing arm 4 close on after both respectively with vehicle
The articulated position of the articulated position of frame 1, front swing arm 3 and vehicle frame 1 is provided with a torsional spring（It is not shown in figure, is through on articulated shaft
And restrict front swing arm 3）.
As shown in Fig. 2, being arranged with a sliding block 14 on the free end of two front swing arms 3 respectively, also it is arranged with outside every front swing arm 3
One buffer spring 16, every 16 one end of buffer spring act against it and correspond on sliding block 14, and the other end acts against it and corresponds to front swing arm 3
On a step on.The inside of each sliding block 14 is connected separately with a bearing block 15, and one is connected between two bearings seat 15
Casing seat 7 can be provided with an access tube 8 on casing seat 7 freely to rotate, and casing seat 7 is respectively arranged with one on pair of horns
Lug 17, the centre position on access tube 8 between two lugs 17 are provided with a hanging nose 18, and the wherein side of hanging nose 18 should with it
It is connected with a resetting spring 19 between the corresponding lug in side 17, the other side of hanging nose 18, which involves, a traction steel wire 20, draws steel
By passing through and being directed on a capstan winch 21 on another lug 17, capstan winch 21 is set in the shaft 22 on rear-swing arm 4 silk 20, is twisted
It is provided with a rotating handle 23 on disk 21, a ratchet 24 is additionally provided in shaft 22, the clutch nearby of ratchet 24 is provided with a pawl
25, pawl 25 is articulated on rear-swing arm 4.There are two the traction guide wheels 26 for lifting traction steel wire 20 for arrangement on vehicle frame 1.
Accumbency picks out pipe 9 on vehicle frame 1, picks out pipe 9 and is banded on vehicle frame 1 by anchor ear 11.Access tube 8 and pick out pipe 9
Between be connected with spring connecting leg 10, access tube 8, spring connecting leg 10 are adopted with picking out the pipeline that 9 three of pipe is connected to and be implanted into tail gas
Collector 12.
The bend pipe that access tube 8 at right angles turns to, it is two sections that access tube 8, which is divided to,（It is not shown in figure）, mainly own is curved
Then pipe is withheld towards that can convert easily by two sections of splicings with ball bead type, extraction rear steering is blocked again goes back.
Extend at the nozzle of access tube 8 and be connected with spring guide 38, a sliding sleeve is provided in spring guide 38 and is set to tail
Guide ring 39 on gas collection tube 12, guide ring 39 are fixed on the inner wall at 38 nozzle of spring guide by three reinforcing ribs 40
On, a loudspeaker guide sleeve 41 is also associated at the nozzle of spring guide 39, tail gas collection tube 12 stretches out outside the nozzle of spring guide 39.
The rear end of tail gas collection tube 12 is stretched out on the side wall by picking out pipe 9, is picked out to be provided on the side wall of pipe 9 and be adopted for tail gas
Delivery line 13 of 12 rear end of collector to stretch out.
As shown in figure 3, being both provided in moving teeth 28 on two rear-swing arms 4 and the articulated shaft 27 of 1 hinged place of vehicle frame, each stay is moved
Tooth 28 is fixed on 27 static state of articulated shaft on vehicle frame 1, and each in moving teeth 28, nearby clutch is provided in pawl 29, and each stay is moved
Pawl 29 is slideably positioned in a sliding sleeve 30, and each sliding sleeve 30 is set to it accordingly on rear-swing arm 4, it is each in pawl 29 from
There is a push-pull rod 31 by holding to involve, be connected with a drive rod 32 between the free end of two push-pull rods 31, on each rear-swing arm 4
It is arranged there are three the guide holder 33 for being oriented to the sliding of push-pull rod 31, each push-pull rod between 29 adjacent guide holder 33 of pawl
It is arranged with a compression spring 34 outside 31.
It is connected with a handle stem 35 on the free end of two rear-swing arms 4, brake hand handle 36, brake are provided on handle stem 35
Hand handle 36 is connected with a brake block 37 by brake cable, and brake block 37 is set on load wheel.
Using：Two hand handles hold handle stem, push linking trolley, reach after being detected vehicle side, and brake of stopping stops, then hand
Draw drive rod so that push-pull rod overcomes the pressure of compression spring, will stay pawl from from disengaging, thus rear-swing arm can revolve in moving teeth
Turn, pass through linkage performance so that front swing arm reduces, and enters underbody to cross pull rod, then adjusts and properly just correspond to again
Offgas duct side unclamps drive rod and reset of card in pawl is made to enter moving teeth, and thus front swing arm and rear-swing arm position are lockked motionless,
Then pawl is unclamped, capstan winch is adjusted so that the nozzle of access tube is smoothly aligned and is detected tailstock tracheae very much, and tail gas collection tube is caused to insert
Enter tested tailstock tracheal strips, directes reach guide ring, then lock click again.Start vehicle and is acquired and recycles tail gas, vehicle
In shake, buffer spring and bearing block on front swing arm make access tube and offgas duct same frequency shake, and prevent from falling off.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of vehicle exhaust is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus, including vehicle frame and it is mounted on the vehicle
The wheel of frame bottom, which is characterized in that the rear and front end of the vehicle frame has been respectively articulated with front swing arm and rear-swing arm, the front swing arm
Involving between rear-swing arm has linkage steel wire, and access tube is provided on the free end of the front swing arm, on the vehicle frame accumbency have
It picks out pipe, the access tube and picks out and be connected with spring connecting leg between pipe, the access tube, spring connecting leg and pick out pipe three company
Logical pipeline has been implanted into tail gas collection tube.
2. vehicle exhaust according to claim 1 is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus, feature exists
In the front end of the tail gas collection tube is stretched out outside the nozzle of the access tube, and the rear end of the tail gas collection tube is picked out by described
It is stretched out on the side wall of pipe, the delivery line to stretch out for tail gas collection tube rear end is provided on the side wall for picking out pipe.
3. vehicle exhaust according to claim 1 is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus, feature exists
In the bend pipe that the access tube at right angles turns to.
4. vehicle exhaust according to claim 1 or 2 or 3 is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus,
It is characterized in that, the access tube is set to by a set of tube socket on the front swing arm, and cunning is provided on the side wall of described sleeve pipe seat
Block, the slide block set are set on the front swing arm, and buffer spring, buffer spring one end top are also arranged with outside the front swing arm
It leans against on the sliding block, the other end acts against on the step on the front swing arm.
5. vehicle exhaust according to claim 4 is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus, feature exists
In being connected with bearing block between the sliding block and casing seat.
6. vehicle exhaust according to claim 1 or 2 or 3 is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus,
It is characterized in that, the access tube is set to by a set of tube socket on the front swing arm, the access tube and casing seat freely activity
Socket, described sleeve pipe seat are respectively arranged with a lug on pair of horns, the centre on the access tube between two lugs
Position is provided with a hanging nose, and a resetting spring, institute are connected between the corresponding lug in wherein side and its side of the hanging nose
The other side for stating hanging nose involves and has a traction steel wire, the traction steel wire by passing through and being directed on a capstan winch on another lug,
The capstan winch is set in the shaft on rear-swing arm, and a rotating handle is provided on the capstan winch, is also set up in the shaft
There are a ratchet, ratchet clutch to be nearby provided with a pawl, the pawl is articulated on the rear-swing arm.
7. vehicle exhaust according to claim 6 is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus, feature exists
In being disposed with several traction guide wheels for lifting the traction steel wire on vehicle frame.
8. vehicle exhaust according to claim 1 or 2 or 3 is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus,
It is characterized in that, extends at the nozzle of the access tube and be connected with spring guide, a sliding is provided in the spring guide and is arranged
Guide ring on tail gas collection tube, in the guide ring is fixed at the spring guide nozzle by several reinforcing ribs
On wall, a loudspeaker guide sleeve is also associated at the nozzle of the spring guide, the tail gas collection tube stretches out the spring guide
Outside nozzle.
9. vehicle exhaust according to claim 1 is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus, feature exists
In, be disposed with several linkage guide wheels for lifting the linkage steel wire on the vehicle frame, the linkage steel wire and front swing arm and after
The link position of swing arm closes on both rear articulated position with the vehicle frame respectively, and the hinge position of the front swing arm and vehicle frame installs
It is equipped with a torsional spring.
10. the vehicle exhaust according to claim 1 or 9, which is detected, is connected trolley between vehicle and Tail gas measuring collection apparatus, special
Sign is that the rear-swing arm is provided with on the articulated shaft of vehicle frame hinged place in moving teeth, and the moving teeth of staying is consolidated with articulated shaft static state
It is scheduled on the vehicle frame, it is described to be provided in pawl in moving teeth clutch nearby, it is described to be slideably positioned in sliding sleeve in pawl, it is described
Sliding sleeve is set on the rear-swing arm, and the free end in pawl, which involves, push-pull rod, the free end connection of the push-pull rod
There is drive rod, several guide holders for being oriented to the push-pull rod sliding are provided on the rear-swing arm, it is described to face with it in pawl
It is arranged with a compression spring outside push-pull rod between nearly guide holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342196.1A CN105987832B (en) | 2016-05-23 | 2016-05-23 | Vehicle exhaust is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342196.1A CN105987832B (en) | 2016-05-23 | 2016-05-23 | Vehicle exhaust is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105987832A CN105987832A (en) | 2016-10-05 |
| CN105987832B true CN105987832B (en) | 2018-09-18 |
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| CN201610342196.1A Active CN105987832B (en) | 2016-05-23 | 2016-05-23 | Vehicle exhaust is tested to be connected trolley between vehicle and Tail gas measuring collection apparatus |
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| US8887554B2 (en) * | 2012-04-20 | 2014-11-18 | The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency | Raw proportional toxic sampler for sampling exhaust |
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| CN105987832A (en) | 2016-10-05 |
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Effective date of registration: 20200825 Address after: No.288, huangyangmei Road, Beiyuan street, Yiwu City, Jinhua City, Zhejiang Province, 2007 Patentee after: YIWU HENGFENG AUTOMOBILE COMBINATION PROPERTY DETECTION Co.,Ltd. Address before: 322000 Zhejiang city of Jinhua province Yiwu City democratic road crowded city streets Chouzhou middle school Patentee before: Tao Yuan |