CN103625276A - Fixing device and fixing method for CNG high pressure gas bomb - Google Patents
Fixing device and fixing method for CNG high pressure gas bomb Download PDFInfo
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- CN103625276A CN103625276A CN201310585047.4A CN201310585047A CN103625276A CN 103625276 A CN103625276 A CN 103625276A CN 201310585047 A CN201310585047 A CN 201310585047A CN 103625276 A CN103625276 A CN 103625276A
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- coupling end
- pressure gas
- lower bracket
- bandage
- gas cylinder
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Abstract
Provided are a fixing device and a fixing method for a CNG high pressure gas bomb. The fixing device for the CNG high pressure gas bomb comprises a binding band assembly, a lower support connected with the binding band assembly and a plurality of connecting bolts. The binding band assembly comprises a binding band, a front connecting end and a rear connecting end, wherein the front connecting end and the rear connecting end are located at the two ends of the binding band, and the front connecting end and the rear connecting end are fixedto the lower support through connecting bolts respectively. Two projection welding nuts and one clamping pin are arranged on one side, connected to the rear connecting end, of the lower support, two circular holes and one kidney-shaped hole are formed in the lower support corresponding to the rear connecting end, the lower support and the rear connecting end are located and then are fixed through two connecting bolts, and the mounting surface between the rear connecting end and the lower support is a vertical surface mounting surface. When mounting is carried out, firstly the kidney-shaped hole is fastened, then the degree of tightness of the binding band is adjusted through the kidney-shaped hole and a long bolt of the front connecting end, and finally the connecting bolts at the position of the rear kidney-shaped hole are fastened. Through the design and utilization, operation space is enlarged, maneuverability is enhanced, a double-side adjustable mode is replaced by a one-side adjustable mode for the binding band assembly, and reliability is improved.
Description
Technical field
The invention belongs to automobile technical field, relate to automotive parts anchor fitting, relate in particular to the anchor fitting of CNG high-pressure gas cylinder.
Background technology
CNG hybrid fuel vehicle high-pressure gas cylinder is generally arranged in vehicle standby cabin, as shown in Figure 1, the mounting means of CNG hybrid fuel vehicle high-pressure gas cylinder is: lower bracket 11 is first installed, lower bracket 11 is bolted on floor after vehicle body, via bandage assembly 12, CNG high-pressure gas cylinder 13 is installed again, former CNG high-pressure gas cylinder bandage assembly is comprised of steel band 12 and rubber gasket, and bandage assembly is directly connected with lower bracket by 2 of front and back tie bolt 14.
For guaranteeing that CNG high-pressure gas cylinder 13 can firmly must be fixed in lower bracket 11, require bandage need to have certain retractility, and former mounting means is when installing CNG high-pressure gas cylinder 13 urgent bandage both sides bolt, former CNG high-pressure gas cylinder bandage assembly 12 is fixedly hard connection in pattern bandage two ends, bandage is can amount of tension less, operability is not high, affects productive temp.
Summary of the invention
The object of the present invention is to provide a kind of CNG high-pressure gas cylinder anchor fitting and fixing means, by optimizing the machine-made mode of bandage one side, can to bandage fixedly pattern adjust, operability and reliability that bandage is installed have been improved, thereby shorten the set-up time, save the time cost in CNG vehicle production process, enhance productivity.
For achieving the above object, solution of the present invention is:
A kind of CNG high-pressure gas cylinder anchor fitting, comprise bandage assembly, the lower bracket being flexibly connected with described bandage assembly, described bandage assembly comprises bandage, be positioned at front coupling end and the rear coupling end at bandage two ends, described front coupling end, rear coupling end is connected with described lower bracket respectively, the side that described lower bracket is connected with described rear coupling end is provided with two project-welding nuts and a welding bayonet lock, described bayonet lock is positioned at described two project-welding nut midway location places, the corresponding described lower bracket in described rear coupling end place is provided with two circular ports and a waist shaped hole, described lower bracket and described rear coupling end location by by two tie bolts, fixed and described rear coupling end and described lower bracket between attachment face be facade attachment face.
Described bandage assembly also comprises cushion layer, and described cushion layer is lining in bandage inner side to compress the CNG high-pressure gas cylinder row buffering of going forward side by side.
Preferably, described cushion layer is rubber gasket.
Described bandage assembly also comprises spring washer peace washer sets component, and described spring washer peace washer sets component is between described tie bolt and described project-welding nut.
Preferably, the attachment face between described front coupling end and described lower bracket is inclined-plane, and described front coupling end is connected with described lower bracket via overbolt, jam nut and black nut.
Preferably, described project-welding nut is anti-shake project-welding nut, and two tie bolts of fixing described rear coupling end and described lower seat are anti-shake bolt.
A method for fixation of C NG high-pressure gas cylinder, comprises the following steps:
(1) fixedly lower bracket is installed;
(2) CNG high-pressure gas cylinder is installed in lower bracket;
(3) via the fixing described CNG high-pressure gas cylinder of bandage assembly: during installation, buckle the waist shaped hole at rear coupling end place, overbolt by waist-shaped hole and front coupling end place is adjusted bandage elasticity, and then the anti-shake bolt at fastening overbolt and rear coupling end place successively, prevents that bandage from rocking.
Owing to adopting such scheme, the invention has the beneficial effects as follows:
Anchor fitting and the fixing means of CNG high-pressure gas cylinder shown in the present, can to bandage fixedly pattern adjust, improved operability and reliability that bandage is installed, thereby shortened the set-up time, save the time cost in CNG vehicle production process, enhance productivity.
By the machine-made mode of coupling end one side before optimization bandage, and the attachment face between rear coupling end and lower bracket is become to facade attachment face, expand operational space, more original hard connection between the two has been adjusted into at 3 simultaneously and fixes, shared the drawing stress of each point.
In addition, during use, first fixing front coupling end is installed, both sides fixed form is become to a side adjustable, reduced variable factor, improved operability and the reliability of bandage, promoted the safety performance of vehicle.
Accompanying drawing explanation
Fig. 1 is the mounting means of former CNG high-pressure gas bottle rack bandage assembly;
Fig. 2 is the fixedly pattern of the forward and backward coupling end of former CNG high-pressure gas bottle rack bandage;
Fig. 3 is the mounting means schematic diagram of the CNG high-pressure gas cylinder anchor fitting of one embodiment of the invention;
Fig. 4 be in the CNG high-pressure gas cylinder anchor fitting of one embodiment of the invention after the fixed sturcture of coupling end and lower bracket;
Fig. 5 be in the CNG high-pressure gas cylinder anchor fitting of one embodiment of the invention before the fixed sturcture of coupling end and lower bracket.
The specific embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
As shown in Figure 3 and Figure 4, a kind of CNG high-pressure gas cylinder anchor fitting, the lower bracket 21 that comprises bandage assembly, is movably connected with bandage assembly.In the present embodiment, bandage assembly and lower bracket 21 are movably connected via a plurality of tie bolts (overbolt 31 and two anti-shake bolts), bandage assembly comprise bandage 22(its for steel band), be positioned at the front coupling end 23 and rear coupling end at bandage 22 two ends, front coupling end 23 is fixed via bolt and lower bracket 21 respectively with rear coupling end.Wherein, front coupling end 23 is identical with existing fixed form with the connection between lower bracket 21, and the attachment face between the two is inclined-plane, and as shown in Figure 5, front coupling end 23 is connected by overbolt 31 and a jam nut 32, a black nut 33, the attachment face of rear coupling end and lower bracket 21 is facade attachment face, in the side being connected with rear coupling end in lower bracket 21, increase weldering be provided with two anti-shake project-welding nut 27(movable are with together with anti-shake bolt tight) and a bayonet lock 28(be welded on support), bayonet lock 28 is between two anti-shake project-welding nuts 27, on rear coupling end, corresponding lower bracket 21 punching presses have two circular ports (preventing that waist-shaped hole place bandage from rocking) and a waist shaped hole 26, bayonet lock 28 is connected with waist-shaped hole 26 clampings, project-welding nut 27 through two circular ports on rear coupling end by realized fixing between coupling end and lower bracket 21 by two anti-shake bolts.
In original mounting means, beveled aperture position aligns inconvenience, operability is not strong, therefore CNG high-pressure gas cylinder anchor fitting shown in the present, by CNG high-pressure gas cylinder 30 rear side attachment faces are adjusted to the facade place of lower bracket 21 by inclined-plane, abdicated installing space, simultaneously on coupling end except for realizing two circular ports fixing between rear coupling end and lower bracket 21, also set up waist shaped hole 26, when fixing rear coupling end and lower bracket 21, first by waist-shaped hole 26, coordinate with the location between bayonet lock 28, realize quickly and easily the pairing between circular port and project-welding nut 7, strengthened again the operability of bandage assembly.And the bearing of rear coupling end and lower bracket 21, hard connection more of the prior art is adjusted into at 3 and fixes, shared the drawing stress of each point.
As shown in Figure 4; the side contacting with CNG high-pressure gas cylinder 30 at bandage 22 is also provided with cushion layer 25; in the present embodiment, cushion layer 25 is rubber gasket; by the inner side at bandage 22, cushion layer is set and can assists compressing of 22 pairs of CNG high-pressure gas cylinders 30 of bandage; be conducive to the fixing of CNG high-pressure gas cylinder 30; simultaneous buffering layer 25 can also reduce the vibration that produces due to the automotive operation impact on CNG high-pressure gas cylinder 30, plays the effect of separating vibration protection CNG high-pressure gas cylinder 30.
In addition, bandage assembly has also been provided with the spring washer of locking effect and has played the flat gasket assembly set 29 of pressuring action, and this spring washer peace washer sets component is positioned at the bolt junction of described bandage assembly and described lower bracket.Be that spring washer peace washer sets component 29 is separately positioned between two anti-shake bolts of position, rear coupling end and lower bracket between the overbolt 31 of front connection 23 ends and lower bracket 21 and jam nut 32, black nut 33 and two anti-shake project-welding nuts 27 and locates.
A kind of method that the invention also discloses fixation of C NG high-pressure gas cylinder, comprises the following steps:
(1) fixedly lower bracket 21 is installed; Lower bracket 21 is bolted on after vehicle body on floor.
(2) CNG high-pressure gas cylinder 30 is installed in lower bracket 21;
(3) via bandage 22 assembly fixation of C NG high-pressure gas cylinders 30: during installation, buckle the waist shaped hole 26 at rear coupling end place, overbolt 31 by waist-shaped hole 26 and front coupling end place is adjusted bandage elasticities, and then the anti-shake bolt at fastening overbolt 31 and rear coupling end place successively, prevents that bandage from rocking.
First by rear side waist shaped hole 26 and bayonet lock 28 clampings, bandage is walked around CNG high-pressure gas cylinder 30, then by the overbolt 31 on front coupling end 23 and rear side waist shaped hole 26, adjust bandage elasticity to appropriate level, now first tighten the fixing of fixed length bolt 31 and jam nut 32, the black nut front coupling end 23 of 33 realization and lower bracket 21, by tightening 2 anti-shake bolts, spring washer peace washer sets component, bandage 22 being anchored on the rear facade of lower bracket 21, finally realize the fixing of whole CNG high-pressure gas cylinder.
Fixing means shown in the present pass through the optimization to CNG high-pressure gas bottle rack bandage unit construction form, both sides fixed form is become to front coupling end one side adjustable, reduce variable factor, improved operability and the reliability of bandage 22, promoted the safety performance of vehicle.
When fixing rear coupling end and lower bracket 21, first coordinating by waist-shaped hole 26 and bayonet lock 28, the location of realizing project-welding nut in lower bracket 21 27 and the circular port at rear coupling end place, is then anchored on bandage 22 on the rear facade of lower bracket 21 by 2 anti-shake bolts, spring washer peace washer sets component.Described in the same, such design and operation, prior art, has expanded operational space relatively, has strengthened the operability of bandage assembly, and become both sides can be adjusted to a side adjustable simultaneously, improved reliability.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (7)
1. a CNG high-pressure gas cylinder anchor fitting, comprise bandage assembly, the lower bracket being flexibly connected with described bandage assembly, described bandage assembly comprises bandage, be positioned at front coupling end and the rear coupling end at bandage two ends, described front coupling end, rear coupling end is connected with described lower bracket respectively, it is characterized in that: the side that described lower bracket is connected with described rear coupling end is provided with two project-welding nuts and a bayonet lock, described bayonet lock is positioned at described two project-welding nut midway location places, the corresponding described lower bracket in described rear coupling end place is provided with two circular ports and a waist shaped hole, described lower bracket and described rear coupling end location by by two tie bolts, fixed and described rear coupling end and described lower bracket between attachment face be facade attachment face.
2. CNG high-pressure gas cylinder anchor fitting according to claim 1, is characterized in that: described bandage assembly also comprises cushion layer, and described cushion layer is lining in bandage inner side to compress the CNG high-pressure gas cylinder row buffering of going forward side by side.
3. CNG high-pressure gas cylinder anchor fitting according to claim 2, is characterized in that: described cushion layer is rubber gasket.
4. CNG high-pressure gas cylinder anchor fitting according to claim 1, it is characterized in that: described bandage assembly also comprises spring washer peace washer sets component, described spring washer peace washer sets component is positioned at the bolt junction of described bandage assembly and described lower bracket.
5. CNG high-pressure gas cylinder anchor fitting according to claim 1, it is characterized in that: the attachment face between described front coupling end and described lower bracket is inclined-plane, described front coupling end is connected with described lower bracket via overbolt, jam nut and black nut.
6. CNG high-pressure gas cylinder anchor fitting according to claim 1, is characterized in that: described project-welding nut is anti-shake project-welding nut, and two tie bolts of fixing described rear coupling end and described lower seat are anti-shake bolt.
7. the method based on installing fixation of C NG high-pressure gas cylinder described in claim 1 to 6, is characterized in that: comprise the following steps:
(1) fixedly lower bracket is installed;
(2) CNG high-pressure gas cylinder is installed in lower bracket;
(3) via the fixing described CNG high-pressure gas cylinder of bandage assembly: during installation, buckle the waist shaped hole at rear coupling end place, overbolt by waist-shaped hole and front coupling end place is adjusted bandage elasticity, and then the anti-shake bolt at fastening overbolt and rear coupling end place successively, prevents that bandage from rocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585047.4A CN103625276B (en) | 2013-11-19 | 2013-11-19 | The fixing device of a kind of CNG high-pressure gas cylinder and fixing means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585047.4A CN103625276B (en) | 2013-11-19 | 2013-11-19 | The fixing device of a kind of CNG high-pressure gas cylinder and fixing means |
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| Publication Number | Publication Date |
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| CN103625276A true CN103625276A (en) | 2014-03-12 |
| CN103625276B CN103625276B (en) | 2016-06-22 |
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| CN201310585047.4A Active CN103625276B (en) | 2013-11-19 | 2013-11-19 | The fixing device of a kind of CNG high-pressure gas cylinder and fixing means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118349A (en) * | 2014-07-09 | 2014-10-29 | 张家港市顺佳隔热技术有限公司 | Air bottle fixing and supporting frame |
| CN107627837A (en) * | 2017-09-18 | 2018-01-26 | 芜湖金智王机械设备有限公司 | A kind of gas-fueled vehicles gas tank attachment structure |
| CN108224087A (en) * | 2018-01-31 | 2018-06-29 | 芜湖市皖南造船有限公司 | A kind of LNG gas bombs rest stand |
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| JPH11278069A (en) * | 1998-03-30 | 1999-10-12 | Isuzu Motors Ltd | Fuel tank installation structure of lpg engine-mounted vehicle |
| JPH11310043A (en) * | 1998-04-30 | 1999-11-09 | Isuzu Motors Ltd | Lpg fuel tank mounting structure for truck |
| KR20060022778A (en) * | 2004-09-08 | 2006-03-13 | 현대자동차주식회사 | Kit of the cng bombe |
| CN201338531Y (en) * | 2008-12-29 | 2009-11-04 | 上海华普汽车有限公司 | Gas cylinder fastening device of CNG automobile |
| CN202088877U (en) * | 2011-04-16 | 2011-12-28 | 安徽华菱汽车股份有限公司 | Natural gas bottle fixation hoop for a heavy truck |
| CN102575810A (en) * | 2009-10-05 | 2012-07-11 | 苏雷亚特·波斯瑞斯克 | Jigs and fixtures of cng containers for motor vehicles |
| CN102922990A (en) * | 2012-10-29 | 2013-02-13 | 长城汽车股份有限公司 | Cylinder mounting support and motor vehicle |
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2013
- 2013-11-19 CN CN201310585047.4A patent/CN103625276B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11278069A (en) * | 1998-03-30 | 1999-10-12 | Isuzu Motors Ltd | Fuel tank installation structure of lpg engine-mounted vehicle |
| JPH11310043A (en) * | 1998-04-30 | 1999-11-09 | Isuzu Motors Ltd | Lpg fuel tank mounting structure for truck |
| KR20060022778A (en) * | 2004-09-08 | 2006-03-13 | 현대자동차주식회사 | Kit of the cng bombe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118349A (en) * | 2014-07-09 | 2014-10-29 | 张家港市顺佳隔热技术有限公司 | Air bottle fixing and supporting frame |
| CN107627837A (en) * | 2017-09-18 | 2018-01-26 | 芜湖金智王机械设备有限公司 | A kind of gas-fueled vehicles gas tank attachment structure |
| CN108224087A (en) * | 2018-01-31 | 2018-06-29 | 芜湖市皖南造船有限公司 | A kind of LNG gas bombs rest stand |
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| Publication number | Publication date |
|---|---|
| CN103625276B (en) | 2016-06-22 |
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