CN202897882U - Landing leg for engineering vehicle, chassis for engineering vehicle and engineering vehicle - Google Patents
Landing leg for engineering vehicle, chassis for engineering vehicle and engineering vehicle Download PDFInfo
- Publication number
- CN202897882U CN202897882U CN 201220628437 CN201220628437U CN202897882U CN 202897882 U CN202897882 U CN 202897882U CN 201220628437 CN201220628437 CN 201220628437 CN 201220628437 U CN201220628437 U CN 201220628437U CN 202897882 U CN202897882 U CN 202897882U
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- supporting leg
- engineering truck
- stretching
- fixed
- extension beam
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Abstract
The utility model discloses a landing leg for an engineering vehicle, a chassis for the engineering vehicle and the engineering vehicle. The landing leg comprises a movable landing leg, wherein the movable landing leg comprises a support leg capable of being vertically placed on the ground and an extending beam; and one end of the extending beam is fixed with the support leg, and an upward inclined angle between the extending beam and the support leg is an acute angle. The chassis for the engineering vehicle comprises a chassis frame and the landing leg arranged under the chassis frame. The engineering vehicle comprises the chassis. According to the utility model, the upward inclined angle between the extending beam and the support leg is the acute angle, i.e. the extending beam is provided with an upwards inclined angle. Therefore, when the engineering vehicle runs, after the landing leg is loaded, an acting force applied to the extending beam is vertical downward, so that the direction of the acting force applied to the extending beam is not vertical to the extending direction of the extending beam, thus, the bending stress of the extending beam can be reduced, furthermore, the whole sinking degree of an engineering vehicle body can be reduced.
Description
Technical field
The utility model relates to a kind of engineering truck, relates in particular to a kind of supporting leg of engineering truck, chassis and engineering truck.
Background technology
Engineering truck comprises the high lifting kind engineering truck, the high lifting kind engineering truck comprises hoisting crane, aerial platform, fire fighting turnable ladder, high spray fire extinguishing tanker, Elevating platform fire truck etc., the supporting leg of existing high lifting kind engineering truck comprises movable supporting legs, fixed supporting leg case, cross cylinder and Vertical Cylinders.As shown in Figure 1, horizontal stretching beam 1-1 and the supporting leg 1-2 on the vertical direction that movable supporting legs has on the horizontal direction form, and both are mutually vertical; Cross cylinder is fixed with horizontal stretching beam 1-1 and fixed supporting leg case respectively, and Vertical Cylinders is loaded on the two ends of supporting leg 1-2.The end of horizontal stretching beam 1-1 stretches in the passage of fixed supporting leg case inside, and horizontal stretching beam 1-1 can be flexible in the horizontal direction under the effect of cross cylinder, and supporting leg 1-2 can be flexible in the vertical direction under the effect of Vertical Cylinders.By stretching of above-mentioned both direction, supporting leg can make the high lifting kind engineering truck obtain needed support.
But, the horizontal stretching beam 1-1 of above-mentioned supporting leg is behind stand under load, the force direction that horizontal stretching beam 1-1 is subject to is vertical with the direction of extension of this horizontal stretching beam 1-1, horizontal stretching beam 1-1 produces very large flexure stress when making the operation of high lifting kind engineering truck, horizontal stretching beam 1-1 can be bent downwardly significantly, causes the high lifting kind vehicle body of engineering vehicle whole sagging.In addition, the supporting leg 1-2 of vertical direction is because application force in most cases all acts on a side, also can bend to certain direction, this bending can cause the flexible Vertical Cylinders of control supporting leg 1-2 to bear very large side force, can affect it when serious and normally stretch, even can cause Vertical Cylinders to lose efficacy.In addition, 1-3 stress in junction was very large when supporting leg was stressed, needed to adopt the very high material of intensity just can meet the demands.
The utility model content
The utility model provides a kind of supporting leg of engineering truck, chassis and engineering truck, reduced exist in the prior art when the engineering truck operation, the whole degree of sinking of vehicle body of engineering vehicle.
The supporting leg of engineering truck of the present utility model comprises movable supporting legs, and described movable supporting legs comprises:
Can be vertically placed on the supporting leg on ground; And the stretching, extension beam, an end of described stretching, extension beam and described supporting leg are fixed and described stretching, extension beam and the angle of described supporting leg towards the top are acute angles.
Preferably, described stretching, extension beam and described supporting leg are welded with the reinforcement gusset in the angle of below; Two sides of described reinforcement gusset are welded and fixed with described stretching, extension beam and described supporting leg respectively and the angle of the angle that described two sides surround equals described stretching, extension beam and described supporting leg towards the angle of the angle of below.
Preferably, also comprise telescopic the first oil cylinder;
Described supporting leg comprises the support overcoat, supports inner sleeve and leg disc, and described support inner sleeve is socketed in the described support overcoat and described support inner sleeve is connected with described leg disc, and described leg disc can be vertically placed on the ground;
Described the first oil cylinder is socketed in the described support inner sleeve and two ends are fixed with described support overcoat and described support inner sleeve respectively, and it is flexible along described support inner sleeve length direction that described the first oil cylinder can drive described support overcoat.
Preferably, described support overcoat and described stretching, extension beam are fixed, and described reinforcement gusset and described support overcoat are fixed.
Preferably, also comprise telescopic the second oil cylinder and the fixed supporting leg case of fixing with the subframe of engineering truck, described stretching, extension beam casing is connected in the described fixed supporting leg case;
Described the second oil cylinder is socketed in the described stretching, extension beam and two ends are fixed with described telescopic girder and described fixed supporting leg case respectively, and it is flexible along described fixed supporting leg case length direction that described the second oil cylinder can drive described stretching, extension beam.
Preferably, also comprise door frame shaped reinforcement and brace panel;
Described door frame shaped reinforcement circumferentially be fixedly welded on described fixed supporting leg box outer wall around, and an end of the outer wall of described door frame shaped reinforcement and described brace panel fixes, the other end of described brace panel and the subframe of described engineering truck are fixed.
The chassis of engineering truck of the present utility model comprises sole; And the above-mentioned arbitrary described supporting leg that is positioned at described sole below.
The chassis of engineering truck of the present utility model comprises: sole; And the n that is positioned at described sole below is to described supporting leg, the described stretching, extension beam of the described fixed supporting leg case of every a pair of described supporting leg adjacent setting and every a pair of described supporting leg on the Width of described fixed supporting leg case is towards the direction of the subframe of described engineering truck, and described n is natural number.
Preferably, every a pair of described supporting leg on the length direction of described fixed supporting leg case side by side or the setting of staggering.
Engineering truck of the present utility model comprises described chassis.
The supporting leg of engineering truck of the present utility model, chassis and engineering truck, described stretching, extension beam and the angle of described supporting leg towards the top are acute angles, namely described stretching, extension beam is not level, and has the upward angle of inclination.Like this, when described engineering truck operation, described supporting leg is behind stand under load, the application force that described stretching, extension beam is subject to is straight down, like this, the direction out of plumb that the direction of the application force that described stretching, extension beam is subject to and described stretching, extension beam stretch, thus described stretching, extension deflection of beam stress reduced, and then reduced the whole degree of sinking of described vehicle body of engineering vehicle.Compare with the supporting leg of existing engineering truck, improved the force-bearing situation that stretches beam.
Description of drawings
Fig. 1 is the schematic diagram of the supporting leg of existing engineering truck;
Fig. 2 is the schematic diagram of supporting leg of the engineering truck of an embodiment of the present utility model;
Fig. 3 is the local enlarged diagram of movable supporting legs of the supporting leg of engineering truck shown in Figure 2;
Fig. 4 is the fragmentary, perspective view of movable supporting legs of the supporting leg of engineering truck shown in Figure 2;
Fig. 5 is the schematic diagram of fixed supporting leg case of supporting leg of the engineering truck of another embodiment of the present utility model;
Fig. 6 is the birds-eye view of fixed supporting leg case shown in Figure 5;
Fig. 7 is the right elevation of fixed supporting leg case shown in Figure 5.
The main element description of reference numerals:
1-1 horizontal stretching beam, the 1-2 supporting leg, the 1-3 junction,
110 stretch beam, 120 supporting legs, and 121 support overcoat, and 122 support inner sleeve, 123 leg discs, 130 strengthen gusset,
210 first oil cylinders, 220 second oil cylinders,
300 fixed supporting leg casees,
410 brace panels, 420 door frame shaped reinforcements,
The subframe of 500 engineering trucks.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The supporting leg of the engineering truck of first embodiment of the present utility model as shown in Figures 2 and 3, comprises movable supporting legs, and movable supporting legs comprises: stretch beam 110 and the supporting leg 120 that can be vertically placed on ground; Fixing and the stretching, extension beam 110 of an end that stretches beam 110 and supporting leg 120 and the angle of supporting leg 120 towards the top are acute angles.Further, stretching beam 110 and the angle of supporting leg 120 towards the top is 87 ° ~ 89 °
The supporting leg of engineering truck of the present utility model, the stretching, extension beam 110 of movable supporting legs and the angle of supporting leg 120 towards the top are acute angles, namely stretching beam 110 is not level, and has the upward angle of inclination.Like this, when the engineering truck operation, supporting leg is behind stand under load, the application force that stretching, extension beam 110 is subject to is straight down, like this, the direction of the application force that stretching, extension beam 110 is subject to and the direction out of plumb that stretches beam 110 stretching, extensions, thus reduced to stretch the flexure stress of beam 110, and then reduced the degree that vehicle body of engineering vehicle integral body is sunk.Compare with the supporting leg of existing engineering truck, improved the force-bearing situation that stretches beam 110.
Again as shown in Figures 2 and 3, in a specific embodiment, stretching, extension beam 110 and supporting leg 120 can also weld to be provided with in the angle of below strengthens gusset 130; Strengthening gusset 130 is that the bottom surface is leg-of-mutton trough plate; Two sides strengthening gusset 130 respectively with stretch beam 110 and supporting leg 120 is welded and fixed and the angle of the angle that two sides surround equals to stretch beam 110 and supporting leg 120 towards the angle of the angle of below.The reinforcement gusset 130 of this spline structure greatly reduces movable supporting legs because the excessive possibility of being destroyed of stress has reduced the requirement of strength to the material that stretches beam 110 and supporting leg 120 intersections so that the stress that stretches between beam 110 and the supporting leg 120 has reduced.
In a specific embodiment, the thickness of strengthening gusset 130 is equal to or less than the thickness that stretches beam 110.For example shown in Figure 4, strengthen the thickness of gusset 130 less than the thickness that stretches beam 110.
Again as shown in Figure 2, the supporting leg of engineering truck can also comprise telescopic the first oil cylinder 210; Above-mentioned supporting leg 120 comprises support overcoat 121, supports inner sleeve 122 and leg disc 123, and support inner sleeve 122 is socketed in the support overcoat 121 and support inner sleeve 122 is connected with leg disc 123, and leg disc 123 can be vertically placed on the ground; The first oil cylinder 210 be socketed in support in the inner sleeve 122 and two ends respectively with support overcoat 121 and support inner sleeve 122 fixing, the first oil cylinder 210 can drive that to support overcoat 121 flexible along supporting inner sleeves 122 length directions.
When the engineering truck operation, the side force vertical with supporting leg 120 reduced movable supporting legs because the excessive possibility of being destroyed of stress by supporting overcoat 121 and supporting inner sleeve 122 shareds; Simultaneously, the side force that the first oil cylinder 210 is subject to significantly reduces, and has reduced the possibility that the first oil cylinder 210 is destroyed.In addition, match with the stretching, extension beam 110 with the angle that tilts upward, reduced the distance of stretch out and draw back of supporting leg 120 in the vertical directions, namely reduced the length that the first oil cylinder 210 stretches out, improved the expansion efficient of vertical direction.
Again as shown in Figure 2, support overcoat 121 is fixed with stretching beam 110, strengthens gusset 130 and support overcoat 121 fixing.
Again as shown in Figure 2, the supporting leg of engineering truck can also comprise telescopic the second oil cylinder 220 and the fixed supporting leg case 300 of fixing with the subframe 500 of engineering truck, stretches beam 110 and is socketed in the fixed supporting leg case 300; The second oil cylinder 220 is socketed in the stretching, extension beam 110 and two ends are fixed with stretching, extension beam 110 and fixed supporting leg case 300 respectively, and the second oil cylinder 220 can drive stretching, extension beam 110 and stretch along fixed supporting leg case 300 length directions.
Stretching beam 110 and the angle of supporting leg 120 towards the top is acute angle, namely stretching beam 110 is not level, and have upward the angle that tilts, stretching, extension beam 110 at movable supporting legs stretches out in fixed supporting leg case 300, supporting leg 120 is when vertical direction is flexible, leg disc 123 distance has overhead diminished, and has reduced the distance of stretch out and draw back of supporting leg 120 in the vertical directions, has improved the expansion efficient of vertical direction.Simultaneously, when not needing to use supporting leg, supporting leg can be packed up to greatest extent.
As the supporting leg of the engineering truck of second embodiment of the present utility model, on the basis of first embodiment, the supporting leg of engineering truck is further set forth:
Such as Fig. 5, Fig. 6 and shown in Figure 7 also comprises door frame shaped reinforcement 420 and brace panel 410.Door frame shaped reinforcement 420 circumferentially be fixedly welded on fixed supporting leg case 300 outer walls around, and an end of the outer wall of door frame shaped reinforcement 420 and brace panel 410 fixes, the other end of brace panel 410 and the subframe of engineering truck 500 are fixing.
Door frame shaped reinforcement 420 and brace panel 410 combine, and have strengthened the fixed relationship of fixed supporting leg case 300 with the subframe 500 of engineering truck.
The chassis of the engineering truck of an embodiment of the present utility model comprises: sole and at least two above-mentioned any supporting legs that are positioned at the sole below.
The chassis of the engineering truck of another embodiment of the present utility model, comprise sole, telescopic the second oil cylinder 220, with the fixing fixed supporting leg case 300 of engineering truck be positioned at the right supporting leg of the n of sole below, namely fixed supporting leg case 300 is fixed on the lower surface of sole.
Further, side by side or the setting of staggering, for example shown in Figure 2, every a pair of supporting leg is arranged side by side at the length direction of fixed supporting leg case 300 every a pair of supporting leg on the length direction of fixed supporting leg case 300; Again example as shown in Figure 5 and Figure 6, every a pair of supporting leg is in the setting of staggering of the length direction of fixed supporting leg case 300.
A kind of engineering truck of the present utility model comprises above-mentioned any chassis.
Further, engineering truck is the high lifting kind engineering truck.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. the supporting leg of an engineering truck comprises movable supporting legs, it is characterized in that, described movable supporting legs comprises:
Can be vertically placed on the supporting leg (120) on ground; And
Stretch beam (110), an end of described stretching, extension beam (110) is captiveed joint with described supporting leg (120) and described stretching, extension beam (110) and the angle of described supporting leg (120) towards the top are acute angles.
2. the supporting leg of engineering truck according to claim 1 is characterized in that, described stretching, extension beam (110) and described supporting leg (120) are provided with in the angle of below strengthens gusset (130);
Captive joint with described supporting leg (120) with described stretching, extension beam (110) respectively in two sides of described reinforcement gusset (130) and the angle of the angle that described two sides surround equals described stretching, extension beam (110) and described supporting leg (120) towards the angle of the angle of below.
3. the supporting leg of engineering truck according to claim 2 is characterized in that, also comprises telescopic the first oil cylinder (210);
Described supporting leg (120) comprises support overcoat (121), supports inner sleeve (122) and leg disc (123), and described support inner sleeve (122) is socketed in the described support overcoat (121) and described support inner sleeve (122) is connected with described leg disc (123);
Described the first oil cylinder (210) is socketed in the described support inner sleeve (122) and two ends are fixed with described support overcoat (121) and described support inner sleeve (122) respectively, and it is flexible along described support inner sleeve (122) length direction that described the first oil cylinder (210) can drive described support overcoat (121).
4. the supporting leg of engineering truck according to claim 3 is characterized in that, described support overcoat (121) is fixing with described stretching, extension beam (110), and described reinforcement gusset (130) is fixing with described support overcoat (121).
5. the supporting leg of engineering truck according to claim 4, it is characterized in that, also comprise telescopic the second oil cylinder (220) and the fixed supporting leg case (300) of fixing with the subframe (500) of engineering truck, described stretching, extension beam (110) is socketed in the described fixed supporting leg case (300);
Described the second oil cylinder (220) is socketed in the described stretching, extension beam (110) and two ends are fixed with described telescopic girder (110) and described fixed supporting leg case (300) respectively, and it is flexible along described fixed supporting leg case (300) length direction that described the second oil cylinder (220) can drive described stretching, extension beam (110).
6. the supporting leg of engineering truck according to claim 5 is characterized in that, also comprises door frame shaped reinforcement (420) and brace panel (410);
Described door frame shaped reinforcement (420) circumferentially be fixedly welded on described fixed supporting leg case (300) outer wall around, and an end of the outer wall of described door frame shaped reinforcement (420) and described brace panel (410) is fixed, and the subframe (500) of the other end of described brace panel (410) and described engineering truck is fixing.
7. the chassis of an engineering truck is characterized in that, comprising:
Sole; And
Be positioned at least two of described sole below such as the arbitrary described supporting leg of claim 1 ~ 6.
8. the chassis of an engineering truck is characterized in that, comprising:
Sole; And
The n that is positioned at described sole below is to such as the arbitrary described supporting leg of claim 5 ~ 6, the described stretching, extension beam (110) of the described fixed supporting leg case (300) of every a pair of described supporting leg adjacent setting and every a pair of described supporting leg on the Width of described fixed supporting leg case (300) is towards the direction of the subframe (500) of described engineering truck, and described n is natural number.
9. chassis according to claim 8 is characterized in that, every a pair of described supporting leg on the length direction of described fixed supporting leg case (300) side by side or the setting of staggering.
10. an engineering truck is characterized in that, comprises such as claim 7 or 8 or 9 described chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628437 CN202897882U (en) | 2012-11-23 | 2012-11-23 | Landing leg for engineering vehicle, chassis for engineering vehicle and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628437 CN202897882U (en) | 2012-11-23 | 2012-11-23 | Landing leg for engineering vehicle, chassis for engineering vehicle and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202897882U true CN202897882U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220628437 Expired - Fee Related CN202897882U (en) | 2012-11-23 | 2012-11-23 | Landing leg for engineering vehicle, chassis for engineering vehicle and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202897882U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496642A (en) * | 2013-10-23 | 2014-01-08 | 徐州重型机械有限公司 | All-terrain carne and rotary table support thereof |
| CN105923556A (en) * | 2016-06-29 | 2016-09-07 | 河南省黄河防爆起重机有限公司 | Multi-section nested large hoisting height extension supporting leg device for lorry-mounted crane |
| CN110422638A (en) * | 2019-07-03 | 2019-11-08 | 浙江磊纳微粉材料有限公司 | A kind of large size homogenizing storehouse and its application method |
| CN110894755A (en) * | 2018-09-13 | 2020-03-20 | 国网湖南省电力有限公司 | Movable overhaul room with living room |
| CN111188414A (en) * | 2018-11-15 | 2020-05-22 | 国网湖南省电力有限公司 | Modular living room |
-
2012
- 2012-11-23 CN CN 201220628437 patent/CN202897882U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496642A (en) * | 2013-10-23 | 2014-01-08 | 徐州重型机械有限公司 | All-terrain carne and rotary table support thereof |
| CN103496642B (en) * | 2013-10-23 | 2015-04-22 | 徐州重型机械有限公司 | All-terrain carne and rotary table support thereof |
| CN105923556A (en) * | 2016-06-29 | 2016-09-07 | 河南省黄河防爆起重机有限公司 | Multi-section nested large hoisting height extension supporting leg device for lorry-mounted crane |
| CN110894755A (en) * | 2018-09-13 | 2020-03-20 | 国网湖南省电力有限公司 | Movable overhaul room with living room |
| CN110894755B (en) * | 2018-09-13 | 2021-06-18 | 国网湖南省电力有限公司 | Movable overhaul room with living room |
| CN111188414A (en) * | 2018-11-15 | 2020-05-22 | 国网湖南省电力有限公司 | Modular living room |
| CN111188414B (en) * | 2018-11-15 | 2021-06-18 | 国网湖南省电力有限公司 | Modular living room |
| CN110422638A (en) * | 2019-07-03 | 2019-11-08 | 浙江磊纳微粉材料有限公司 | A kind of large size homogenizing storehouse and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20181123 |