CN206094459U - Air supply system between car body dress welding tractor - Google Patents
Air supply system between car body dress welding tractor Download PDFInfo
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- CN206094459U CN206094459U CN201621045663.6U CN201621045663U CN206094459U CN 206094459 U CN206094459 U CN 206094459U CN 201621045663 U CN201621045663 U CN 201621045663U CN 206094459 U CN206094459 U CN 206094459U
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Abstract
The utility model provides an air supply system between car body dress welding tractor, including main blast pipe and the exhaust fan of setting at the top, main blast pipe is connected with the production line blast pipe of each workshop top, the exhaust fan is connected with the exhaust pipe of workshop periphery side, the blast pipe adopts the fabric tuber pipe, puts the total length within range of line into production and arranges to be provided with continuous evenly distributed's exhaust vent. The utility model discloses make the limited new amount of wind obtain the most effectual utilization, that has guaranteed the key area trades the wind effect to have the cost low, easily change, maintain convenient along with process arrangement, advantage that the later stage expense is low is a suitable air supply form between automobile body or automobile body part dress welding tractor.
Description
Technical field
The utility model is related to a kind of supply air system, more particularly, to a kind of supply air system in body of a motor car welding equipment workshop,
Form uniform air curtain so that operator's breathing zone is in fresh air area.
Background technology
Body of a motor car, or the part of other composition vehicle bodies at present, is formed by stamping forming the welding of sheet metal parts, and application is most
Many welding procedures are a weld through, next to that the arc welding such as projection welding, arc stud welding, gas shielded arc welding, plasma weldering is little.Weld fumes
When volatile matter, the workpiece welding of panel beating interlayer gluing be heated when mainly surface of the work antirust oil is welded, glue (use by structure glue
In damping and sealing) volatile matter, and workpiece zinc coat is heated the zinc fume of volatilization, and the volatile matter of wherein glue contains benzene series
Thing.
By " GB50019-2003 heating and ventilations and In Air Conditioning Design specification " and " JBJ10-96 machine works heating and ventilation
With In Air Conditioning Design specification ", industrial building will ensure that everyone has 30m3The resh air requirement of/H, weld fumes maximum permissible concentration is
6mg/m3.Designing institute in the Design of ventilation in body of a motor car welding equipment workshop, workshop integrally change wind number of times typically take 1.8 times/per little
When.
But, 1.8 times/entirety hourly changes wind number of times, from the index that can macroscopically meet national regulation, but,
Produce the region of flue dust, can the particularly breathing region of operating personnel reach the index of national regulation, be it is difficult to ensure that
's.Restricted by winter heating and cooling in summer, changing wind number of times can not increase again, and improved wind pushing form, it is ensured that key area
It is up to standard, enable the maximally effective utilization of limited fresh air, then should study, the utility model solves this respect
Problem.
The overall wind-exchanging system in workshop include send fresh air and air draft two parts, air draft by be arranged on workshop top or side
The exhaust blower on top is realized, but air-supply has various ways, and designing institute is typically using following two:
As shown in figure 1, the first is lower wind pushing form, this wind pushing form for non-solder workshop, be it is a kind of very
Good form, so be widely adopted, including exhaust blower 1, main ajutage 2, branch road ajutage 3, fresh air 5 forms behaviour after sending
Make people's breathing zone 4, but be not suitable for welding shop, have the disadvantage:
1st, air outlet is usually uniform in workshop, it is impossible to arranged by key area, even by technological requirement, in weldering
Connect and arrange operation area air outlet more, but in the future process layout changes, iron duct also is difficult to change, or to change cost very high, and
And the transformation cycle is longer, production is affected.
2nd, this point type air-supply, air-flow is uneven, changes wind efficiency low.
3rd, the row's of serving formula changes wind under, and air-flow is overall upwards, can make to be moved up less than the weld fumes of operator's breathing zone,
Emphasis ensures region -- the air of breathing zone instead to contaminated, so changing wind poor effect, is not suitable for welding shop.
Second as shown in Fig. 2 be the form of the upper air-supply at the top of workshop, this is also the air-supply shape that designing institute generally adopts
Formula, fresh air is sent to each point at the top of workshop by iron duct, by the downward forced air supply of rotational flow fan, ground of going directly.Bag
Exhaust blower 1, main ajutage 2, branch road ajutage 3 are included, eddy flow pressure fan 6 forms operator's breathing zone 4 after wind is sent, other
Form short-circuit air quantity 7.For general factory, effect is fair, but to autobody welding and assembling workshop, has the disadvantage that:
1st, body of a motor car welding equipment line all has steel truss, and for installing slide rail in length and breadth, the portable welding gun of lifting, steel truss is high
5.5 meters, wide 8 meters, long more than 40 meters, platform is arranged at top, for installing water, gas and electricity pipeline and welding machine controller, sees diagram.
Platform stops fresh air, even if there is space, the fresh air of significant proportion is also difficult to reach the operation area of platform lower, fresh air effectively utilizes
Rate is low.
2nd, the eddy flow pressure fan of fixed position, it is impossible to realize uniform air curtain, suppresses weld fumes not by operator's
The effect of breathing zone is very limited.
3rd, the form of the row of serving on, fresh air has part to be discharged by air draft short circuit at the top of workshop, and utilization rate is low.
4th, iron duct and eddy flow pressure fan are difficult to change and change position with process layout, it is difficult to realize keypoint part weight
Point air-supply, changes wind actual effect poor.
Utility model content
The utility model is exactly to have found a kind of supply air system in body of a motor car welding equipment workshop, be adapted to body of a motor car (or
Part) welding equipment workshop, make fresh air obtain most sufficiently utilizing, reach the air-supply scheme for most preferably changing wind effect.Its technical scheme is such as
It is lower described:
A kind of supply air system in body of a motor car welding equipment workshop, including main ajutage and the exhaust blower for being arranged on top, it is described
Main ajutage is connected with the production line ajutage above each workshop, the exhaust duct phase of the exhaust blower and workshop peripheral side
Connection, the ajutage adopts fabric wind pipe, arranges in the length range of production line, and is provided with continuous uniform distribution
Exhaust vent.
The aperture of the exhaust vent and pitch-row are configured according to wind speed, for producing the air curtain of continuous uniform.
The supply air system change wind number of times using 1.8 times of autobody welding and assembling workshop/per hour, air output is exhaust air rate
1.1 again.
When production line is provided with steel truss, the ajutage is arranged on truss top platform, the truss top platform
High 5.5 meters, wide 8 meters, length is not less than 40 meters, wide 1.2 meters, the space with the basic equal length of production line in truss top platform middle part
For installing ajutage, the ajutage is located at the surface of each welding region.
The steel truss that production line is not provided with, in the weld zone of production line, ajutage is highly 4.5 meters.
For the key area of production line, the ajutage is connected with wind pushing hole, and the wind pushing hole adopts double wind pushing hole
Or single wind pushing hole.
The single wind pushing hole highly be 1.5 meters, air-supply wind speed be 0.8-1.0m/s, air curtain width 3-4 rice.
The double wind pushing hole is highly 1.5 meters, and blow wind speed 0.5m/s, and air curtain width is not limited.
The ajutage is connected by slide fastener, and zippered connection makes ajutage dismounting, washing easy.
The beneficial effects of the utility model are:
Compare with traditional wind form of changing, this wind pushing form makes limited resh air requirement obtain maximally effective utilization, it is ensured that
Wind effect is changed in key area.
And with low cost, be easy to process layout change, easy to maintenance, the low advantage of later stage expense, be vehicle body or
The suitable wind pushing form in car body component welding equipment workshop.
Description of the drawings
Fig. 1 is the lower wind pushing form along factory building post arrangement;
Fig. 2 is the upper wind pushing form of fixed position;
Fig. 3 is the upper wind pushing form with production line top layout of the present utility model.
Specific embodiment
Fig. 1 is, along the lower wind pushing form of factory building post arrangement, to elaborate that this traditional form is not suitable for autobody welding and assembling
The reason for workshop.Fig. 2, the upper wind pushing form of fixed position, elaborate that this traditional form is not suitable for autobody welding and assembling workshop
Reason.
As shown in figure 3, the utility model is provided with the upper wind pushing form of production line top layout, can be with by diagram
Find out the reason for this form is applied to autobody welding and assembling workshop.
Totality of the present utility model is changed in wind scheme, change wind number of times still using 1.8 times of autobody welding and assembling workshop of designing institute/
Per hour, air output is 1.1 times of exhaust air rate.Air draft form is constant, is still discharged using uniform workshop top exhaust blower 1.
Wherein, main ajutage 2 is connected with production line ajutage 11, for the key area of welding, can be by production line
Ajutage 11 is connected with wind pushing hole, and air-supply adopts fireproof fibre fabric airduct, there is the production line of steel truss, production line ajutage
11 are arranged on truss top platform, and top platform is high 5.5 meters, wide 8 meters, long more than 40 meters, and platform middle part is wide 1.2 meters, with life
The space of the basic equal length of producing line is used to install ajutage, positioned at the surface of each welding region.Weld zone without steel truss, send
Airduct is highly 4.5 meters, and this height is the minimum altitude for not affecting logistics.
In being embodied as, the fabric wind pipe material:Fibersox A2-S1, D0T00, (not firing A levels), welding
There is position height in flue dust:0.8 meter;The height of operator's breathing zone 4:1.5 rice.
No matter key area in welding region, whether there is steel truss, arranges single wind pushing hole, at high 1.5 meters, wind of blowing
Speed:0.8-1.0m/s, air curtain width 3-4 rice;Non-solder region, double wind pushing hole, at high 1.5 meters, blow wind speed 0.5m/s, wind
Curtain width is without strict demand.
The utility model using the highly as far as possible low top supplying air form of airduct, by fresh air 5 be sent to production line region and its
The workspace of its personnel's comparatively dense, compacting weld fumes flows to side not by the breathing zone of operating personnel, then by factory
Roof portion exhaust blower 1 is discharged, the effect that this wind pushing form reaches more than the row of serving under traditional and on the row's of serving sum form
Effect is good.
Ajutage adopts non-flammable fabric wind pipe, arranges in the length range of production line, and this airduct is adopted
Laser boring technique, aperture and pitch-row are computed being given by wind speed, the continuous uniform distribution on airduct, produce the wind of continuous uniform
Curtain, makes the coverage of fresh air and the effect of compacting flue dust reach most preferably, and this is that traditional iron duct is irrealizable.
Flexible fabric can easily with production-line arrangement, when installing the change of easy and process layout, more
Change conveniently.Airduct is connected by slide fastener, and system-wide component, such as straight section, elbow, threeway, reducing prefabrication are supporting, often
Individual project will information filing, system variation or maintenance needs when, can quickly supply.
Airduct material is incombustible material, and proper alignment molten drop high temperature can not be lighted using naked light.Make in welding equipment workshop
With nothing is spot welded the hidden danger punctured with fire of splashing.
Airduct it is easy to clean, zip mode connection makes easy disassembling, and sectional is pulled down and is put into industry washer washing.And iron
The cleaning of skin airduct needs professional cleaning company to construct, costly, implements pretty troublesome.
Laid due to airduct and adapt to production line concrete structure, by air quantity and the wind speed of demand, designed with professional software, selected
Aperture and pitch-row, the exhaust vent in length range forms continuous air curtain, can obtain optimal drive cigarette effect, makes limited fresh air
Obtain efficient utilization.
In welding production line and operation area, the continuous air curtain at top can suppress weld fumes decline, from side-lower by top
Exhaust blower is excluded, and the breathing zone for making operator is in fresh air area, it is ensured that keypoint part changes wind effect in key area.
This wind pushing form, low engineering cost compares with traditional iron duct, and initial cost is 1:1.8.Cleaning is with after
The improvement expenses of phase is then lower.
Claims (9)
1. a kind of supply air system in body of a motor car welding equipment workshop, it is characterised in that:Including main ajutage and the row for being arranged on top
Blower fan, the main ajutage is connected with the production line ajutage above each workshop, the exhaust blower and workshop peripheral side
Exhaust duct is connected, and the ajutage adopts fabric wind pipe, arranges in the length range of production line, and the company of being provided with
Continue equally distributed exhaust vent.
2. the supply air system in body of a motor car welding equipment workshop according to claim 1, it is characterised in that:The hole of the exhaust vent
Footpath and pitch-row are configured according to wind speed, for producing the air curtain of continuous uniform.
3. the supply air system in body of a motor car welding equipment workshop according to claim 1, it is characterised in that:The supply air system
Change wind number of times using 1.8 times of autobody welding and assembling workshop/per hour, air output is 1.1 times of exhaust air rate.
4. the supply air system in body of a motor car welding equipment workshop according to claim 1, it is characterised in that:Production line is provided with steel
During truss, the ajutage is arranged on truss top platform, and the truss top platform is high 5.5 meters, and wide 8 meters, length is not little
In 40 meters, truss top platform middle part is wide 1.2 meters, is used to install ajutage with the space of the basic equal length of production line, described to send
Airduct is located at the surface of each welding region.
5. the supply air system in body of a motor car welding equipment workshop according to claim 1, it is characterised in that:Production line is not provided with
Steel truss, in the weld zone of production line, ajutage highly be 4.5 meters.
6. the supply air system in body of a motor car welding equipment workshop according to claim 1, it is characterised in that:For the weight of production line
Point region, the ajutage is connected with wind pushing hole, and the wind pushing hole is using double wind pushing hole or single wind pushing hole.
7. the supply air system in body of a motor car welding equipment workshop according to claim 6, it is characterised in that:The single wind pushing hole
Highly be 1.5 meters, air-supply wind speed be 0.8-1.0m/s, air curtain width 3-4 rice.
8. the supply air system in body of a motor car welding equipment workshop according to claim 6, it is characterised in that:The double wind pushing hole
It highly it is 1.5 meters, blow wind speed 0.5m/s, air curtain width is not limited.
9. the supply air system in body of a motor car welding equipment workshop according to claim 1, it is characterised in that:The company of the ajutage
Connect and adopt slide fastener, zippered connection makes ajutage dismounting, washing easy.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621045663.6U CN206094459U (en) | 2016-09-09 | 2016-09-09 | Air supply system between car body dress welding tractor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621045663.6U CN206094459U (en) | 2016-09-09 | 2016-09-09 | Air supply system between car body dress welding tractor |
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CN206094459U true CN206094459U (en) | 2017-04-12 |
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ID=58474997
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CN201621045663.6U Active CN206094459U (en) | 2016-09-09 | 2016-09-09 | Air supply system between car body dress welding tractor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108940702A (en) * | 2018-07-06 | 2018-12-07 | 中国航空规划设计研究总院有限公司 | A kind of supply air system for ventilation of integrally painting suitable for aircraft |
-
2016
- 2016-09-09 CN CN201621045663.6U patent/CN206094459U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108940702A (en) * | 2018-07-06 | 2018-12-07 | 中国航空规划设计研究总院有限公司 | A kind of supply air system for ventilation of integrally painting suitable for aircraft |
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