CN203752968U - Engineering transportation semitrailer and crawling ladder device thereof - Google Patents
Engineering transportation semitrailer and crawling ladder device thereof Download PDFInfo
- Publication number
- CN203752968U CN203752968U CN201320661066.6U CN201320661066U CN203752968U CN 203752968 U CN203752968 U CN 203752968U CN 201320661066 U CN201320661066 U CN 201320661066U CN 203752968 U CN203752968 U CN 203752968U
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- China
- Prior art keywords
- trailer
- climbing ladder
- ladder apparatus
- slope
- climbing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to an engineering transportation semitrailer and a crawling ladder device thereof. The crawling ladder device is applied to the engineering transportation semitrailer with a first slope surface on a frame tail. The crawling ladder device comprises a wedge-shaped crawling ladder and an overturning connecting mechanism, wherein the wedge-shaped crawling ladder is provided with a second slope surface and the overturning connecting mechanism is used for connecting the crawling ladder with the tail of the semitrailer and causing the second slope surface to overturn and be fitted with the first slope surface. According to the utility model, the whole height of the semitrailer is not additionally added and the passing property of the semitrailer is increased; when the crawling ladder overturns to the tail of the semitrailer, the bottom surface of the crawling ladder can serve as a loading surface, so that the valid loading surface length of the semitrailer is increased; the crawling ladder can be horizontally moved so as to adjust the interval of the crawling ladder, so that the crawling ladder can meet the climbing requirement of the engineering equipment in different treads; besides, the crawling ladder device is simple in structure and low in cost.
Description
Technical field
The utility model belongs to engineering transportation superimposed trailer technical field, particularly relates to a kind of Engineering conveying semi-trailer and climbing ladder apparatus thereof.
Background technology
Along with the development of logistics, client improves gradually to the requirement of superimposed trailer transportation function.With a car, the multiplex or mode that a kind of structure is multiplex improves the design production model of vehicle cost performance, more and more becomes the car demand of purchasing of terminal client.On market, engineering transportation superimposed trailer is equipped with cat ladder so that construction machinery and equipment is upper and lower in tailstock portion conventionally, after existing superimposed trailer there is following limitation in tail cat ladder structure: 1, for reducing the cat ladder gradient, cat ladder designs longly conventionally, and in the time that cat ladder is erect, its aspect ratio is higher, affects the crossing ability of vehicle; 2, after vehicle frame, tail has climbing gradient and not can be used as the use of loading platform, thereby has reduced accordingly effective loading length of goods table top; 3, conventional cat ladder can not laterally be adjusted cat ladder spacing in left and right, and kind that therefore can loading facilities is subject to the restriction of equipment wheelspan very large.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiency that above-mentioned prior art exists, and proposes a kind of climbing ladder apparatus that can solve prior art problem.
For solving the problems of the technologies described above, the utility model proposes a kind of Engineering conveying semi-trailer climbing ladder apparatus, there is the Engineering conveying semi-trailer of the first slope for vehicle frame afterbody, comprising: the cat ladder of a wedge shape, it has one second slope; One upset bindiny mechanism, it can turn to and described the first slope laminating described the second slope for connecting the afterbody of described cat ladder and described superimposed trailer.
Described Engineering conveying semi-trailer climbing ladder apparatus, wherein, described cat ladder also has a smooth bottom surface, and in the time that described the second slope turn to described the first slope laminating, can align with loading surface in described bottom surface.
Described Engineering conveying semi-trailer climbing ladder apparatus, wherein, when described bottom surface turn to when concordant with ground, described the second slope aligns with described the first slope.
Described Engineering conveying semi-trailer climbing ladder apparatus, wherein, described cat ladder comprises a rear panel, a top panel and a bottom panel, described rear panel, described top panel and described bottom panel successively head and the tail are connected to form wedge structure.
Described Engineering conveying semi-trailer climbing ladder apparatus, wherein, described top panel surface is provided with anti-skid structure.
Described Engineering conveying semi-trailer climbing ladder apparatus, wherein, described upset bindiny mechanism comprises two bearing pins and a connecting rod, described bearing pin is separately positioned on the afterbody and described cat ladder of described superimposed trailer; The top of connecting rod at the two ends of described connecting rod is set in respectively on two described bearing pins.
Described Engineering conveying semi-trailer climbing ladder apparatus, wherein, the relatively described connecting rod of bearing pin being arranged on described cat ladder can transverse shifting.
For solving the problems of the technologies described above, the utility model also proposes a kind of Engineering conveying semi-trailer, and its afterbody has slope, comprising: the above-mentioned Engineering conveying semi-trailer climbing ladder apparatus that is installed in vehicle frame afterbody.
Described Engineering conveying semi-trailer wherein, is equiped with movable supporting legs below described semi-trailer tail.
Described Engineering conveying semi-trailer, wherein, comprise four described climbing ladder apparatus: be positioned at one first climbing ladder apparatus and one second climbing ladder apparatus that is positioned at described the first climbing ladder apparatus inner side of vehicle frame one side, and be positioned at one the 3rd climbing ladder apparatus and one the 4th climbing ladder apparatus that is positioned at described the 3rd climbing ladder apparatus inner side of vehicle frame opposite side; Wherein, described the 3rd climbing ladder apparatus is identical with the first climbing ladder apparatus structure, and the 4th climbing ladder apparatus is identical with the second climbing ladder apparatus structure.
Described Engineering conveying semi-trailer, wherein, is installed in the movable supporting legs of described semi-trailer tail below.
Compared with prior art, the utlity model has following beneficial effect: can additionally not increase superimposed trailer car load height, improve the performance of passing through of superimposed trailer; In the time that cat ladder turn to the superimposed trailer tailstock, the bottom surface of cat ladder can be used as loading surface, has increased the efficient loading face length degree of superimposed trailer; Cat ladder can transverse shifting to regulate cat ladder spacing, therefore can adapt to the engineering equipment climbing demand of different wheelspans; In addition, of the present utility model simple in structure, cost is low.
Brief description of the drawings
Fig. 1 is the utility model embodiment semi-trailer tail structural representation.
Fig. 2 is the utility model embodiment cat ladder structural representation.
Fig. 3 is the utility model embodiment cat ladder deployed condition structural representation.
Fig. 4 is the utility model embodiment cat ladder collapsed state structural representation.
Fig. 5 is the utility model embodiment semi-trailer tail back view.
Wherein, description of reference numerals is as follows: 1: rake; 11: cat ladder connecting panel; 110,111: mounting hole; 12: bearing pin; 2: cat ladder; 21: rear panel; 211: cat ladder connecting panel; 22: top panel; 221: reinforce bending part; 222: tread plate; 23: bottom panel; 24: bearing pin; 25: strengthen vertical rib plate; 26: connecting rod; 27: side plate; 271: handle; 28: taillight guard shield; 3: movable supporting legs; 31: base; 32: supporting leg; 33: base connecting panel; 34: upper junction plate; 35: leg pin; 36: leg pin; 4: taillight; 5: loading surface; A; The first climbing ladder apparatus: b: the second climbing ladder apparatus; C: the 3rd climbing ladder apparatus; D: the 4th climbing ladder apparatus.
Detailed description of the invention
In order to further illustrate principle of the present utility model and structure, now by reference to the accompanying drawings preferred embodiment of the present utility model is elaborated.
In the present embodiment, as shown in Figure 1, semi-trailer tail has a rake 1 tilting to the back lower place to the afterbody of Engineering conveying semi-trailer, and its surface is the first slope, at the afterbody of this superimposed trailer, climbing ladder apparatus is installed.Be provided with side by side two cat ladder connecting panels 11 at the end of rake 1, cat ladder connecting panel 11 is provided with the mounting hole 110 for fixedly mounting bearing pin 12.
As shown in Figure 2, climbing ladder apparatus comprises the cat ladder 2 of a wedge shape, and cat ladder 2 comprises a rear panel 21, a top panel 22 and a bottom panel 23, and rear panel 21, top panel 22 and bottom panel 23 successively head and the tail are connected to form wedge structure.The top of plate 21 is provided with two cat ladder connecting panels 211 side by side in the back, and cat ladder connecting panel 211 is provided with the mounting hole 111 for fixedly mounting bearing pin 24.The both lateral sides of cat ladder 2 has side plate 27, can strengthen the loading strength of top panel 22, and for the ease of upset cat ladder 2 operation, on side plate 27, be provided with handle 271; In order further to strengthen the loading strength of top panel 22, be provided with between plate 22 and bottom panel 23 strengthening vertical rib plate 25 in the above, the below of plate 22 is provided with and reinforces bending part 221 in the above.The surface of plate 22 is provided with anti-skid structure in the above, and it is multiple tread plates 222 of horizontally set specifically.
The top of connecting rod at one connecting rod 26 two ends is set in respectively the bearing pin 12 of semi-trailer tail and is arranged on the bearing pin 24 on cat ladder 2.The upset bindiny mechanism being made up of connecting rod 26 and bearing pin 12 and bearing pin 24 is connected semi-trailer tail and cat ladder 2, cat ladder 2 can turn on superimposed trailer tailstock rake 1 around upset bindiny mechanism, and the second slope that after upset, the top panel 22 of cat ladder 2 forms (not considering the anti-skid structure of setting on it) is fitted with the first slope of rake 1, as shown in Figure 3.
Cat ladder in the present embodiment turn on this trailer parking stall rake 1, compared to existing technology, has reduced the height of car load, has improved the performance of passing through of vehicle.
According to length and the gradient of Engineering conveying semi-trailer afterbody rake 1, inclination angle and size between top panel 22 and the bottom panel 23 of cat ladder 2 are rationally set, make inclination angle between top panel 22 and bottom panel 23 equal the gradient of (can have suitable error in engineering allowed band) superimposed trailer parking stall rake 1, like this in the time that cat ladder 2 turn on the first slope, will concordant with superimposed trailer loading surface 5 (can there be suitable error the bottom surface that bottom panel 23 forms) in engineering allowed band.Bottom panel 23 now, also as the extension of superimposed trailer loading surface 5, can be used as workplatform, for lade, therefore corresponding increase the length of efficient loading face of superimposed trailer.And make to turn to when concordant with ground when the bottom surface that bottom panel 23 forms, the second slope aligns with described the first slope, now the bottom panel of cat ladder can fully contact the weight of engineering equipment on supporting cat ladder with bottom surface, has strengthened the bearing stability of cat ladder, as shown in Figure 3 and Figure 4.
As shown in Figure 5, for adapting to distinct device climbing demand, in the present embodiment, the afterbody of superimposed trailer is equipped with two pairs of totally four climbing ladder apparatus: be positioned at the one first climbing ladder apparatus a and the one second climbing ladder apparatus b that is positioned at the first climbing ladder apparatus a inner side of vehicle frame one side, and be positioned at one the 3rd climbing ladder apparatus c and one the 4th climbing ladder apparatus d that is positioned at the 3rd climbing ladder apparatus c inner side of vehicle frame opposite side.Wherein, described the 3rd climbing ladder apparatus c is identical with the first climbing ladder apparatus a structure, and the 4th climbing ladder apparatus d is identical with the second climbing ladder apparatus b structure; The the first climbing ladder apparatus a and the 3rd climbing ladder apparatus c that are positioned at outside are wider, and the second climbing ladder apparatus b and the 4th climbing ladder apparatus d that are positioned at inner side are narrower.In the time that the cat ladder of climbing ladder apparatus turn on superimposed trailer tailstock rake 1, rear panel 21 just in time faces rear, therefore in the present embodiment, the taillight 4 of superimposed trailer is arranged on first climbing ladder apparatus in outside and the rear panel 21 of the 3rd climbing ladder apparatus, and is provided with taillight guard shield 28 at taillight place.
In addition, in the present embodiment, the width of the top of connecting rod of connecting rod 26 is less than the length of bearing pin 12 and bearing pin 24, therefore bearing pin 24 connecting rod 26 transverse shiftings relatively, namely can adjust two distances between cat ladder, so just can meet the demand of the engineering equipment climbing of the different wheelspans of transport.
Do not affecting under the condition of strength demand, on the members such as rear panel 21, side plate 27 and top panel 22, lightening hole can be set, to reduce the overall weight of device, as shown in Figure 2, on the side plate 27 in the present embodiment, be just provided with three lightening holes.
In order to prevent engineering equipment when climbing, the rake 1 of the superimposed trailer tailstock is out of shape, and the tailstock portion side bar below of the superimposed trailer in the present embodiment is provided with movable supporting legs 3.As shown in Figure 1, movable supporting legs 3 comprises base 31 and supporting leg 32.Opposed on base 31 two base connecting panels 33 that are provided with pin shaft hole are installed, this external tailstock portion's side bar below is opposed is provided with two upper junction plates 34 that are provided with pin shaft hole.Supporting leg 32 respectively has a pin shaft hole up and down.In the time that needs movable supporting legs 3 is worked, the pin shaft hole passing on pin shaft hole and the upper junction plate 34 of supporting leg 32 tops with a leg pin 35, the pin shaft hole passing on pin shaft hole and the base connecting panel 33 of supporting leg 32 belows with another root leg pin 36, the rake 1 with this fixing movable supporting legs 3 with the support superimposed trailer tailstock.The bottom of base 31 and the tailstock is welded with rope hook, in the time not needing movable supporting legs 3 to work, movable supporting legs 3 is rotated around the leg pin on supporting leg 32 tops, and strain with steel cable, the two ends of steel cable are fixed on the rope hook of base 31 and the tailstock, with the movable supporting legs of fixedly packing up.
These are only better possible embodiments of the present utility model, and unrestricted protection domain of the present utility model, the equivalent structure that all utilization the utility model specification sheetss and accompanying drawing content have been done changes, and is all included in protection domain of the present utility model.
Claims (10)
1. an Engineering conveying semi-trailer climbing ladder apparatus, has the Engineering conveying semi-trailer of the first slope for vehicle frame afterbody, it is characterized in that, comprising: the cat ladder of a wedge shape, and it has one second slope;
One upset bindiny mechanism, it can turn to and described the first slope laminating described the second slope for connecting the afterbody of described cat ladder and described superimposed trailer.
2. Engineering conveying semi-trailer climbing ladder apparatus as claimed in claim 1, is characterized in that, described cat ladder also has a smooth bottom surface, and in the time that described the second slope turn to described the first slope laminating, can align with loading surface in described bottom surface.
3. Engineering conveying semi-trailer climbing ladder apparatus as claimed in claim 2, is characterized in that, when described bottom surface turn to when concordant with ground, described the second slope aligns with described the first slope.
4. Engineering conveying semi-trailer climbing ladder apparatus as claimed in claim 3, is characterized in that, described cat ladder comprises a rear panel, a top panel and a bottom panel, and described rear panel, described top panel and described bottom panel successively head and the tail are connected to form wedge structure.
5. Engineering conveying semi-trailer climbing ladder apparatus as claimed in claim 4, is characterized in that, described top panel surface is provided with anti-skid structure.
6. Engineering conveying semi-trailer climbing ladder apparatus as claimed in claim 1, is characterized in that, described upset bindiny mechanism comprises two bearing pins and a connecting rod, and described bearing pin is separately positioned on the afterbody and described cat ladder of described superimposed trailer; The top of connecting rod at the two ends of described connecting rod is set in respectively on two described bearing pins.
7. superimposed trailer climbing ladder apparatus as claimed in claim 6, is characterized in that, the relatively described connecting rod of bearing pin being arranged on described cat ladder can transverse shifting.
8. an Engineering conveying semi-trailer, its vehicle frame afterbody has slope, it is characterized in that, comprising: the Engineering conveying semi-trailer climbing ladder apparatus as described in claim 1 to 7 any one that is installed in vehicle frame afterbody.
9. Engineering conveying semi-trailer as claimed in claim 8, it is characterized in that, comprise four described climbing ladder apparatus: be positioned at one first climbing ladder apparatus and one second climbing ladder apparatus that is positioned at described the first climbing ladder apparatus inner side of vehicle frame one side, and be positioned at one the 3rd climbing ladder apparatus and one the 4th climbing ladder apparatus that is positioned at described the 3rd climbing ladder apparatus inner side of vehicle frame opposite side; Wherein, described the 3rd climbing ladder apparatus is identical with the first climbing ladder apparatus structure, and the 4th climbing ladder apparatus is identical with the second climbing ladder apparatus structure.
10. Engineering conveying semi-trailer as claimed in claim 8, is characterized in that, also comprises: the movable supporting legs that is installed in described semi-trailer tail below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661066.6U CN203752968U (en) | 2013-10-24 | 2013-10-24 | Engineering transportation semitrailer and crawling ladder device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661066.6U CN203752968U (en) | 2013-10-24 | 2013-10-24 | Engineering transportation semitrailer and crawling ladder device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752968U true CN203752968U (en) | 2014-08-06 |
Family
ID=51248272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320661066.6U Expired - Fee Related CN203752968U (en) | 2013-10-24 | 2013-10-24 | Engineering transportation semitrailer and crawling ladder device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203752968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435520A (en) * | 2019-09-06 | 2019-11-12 | 西安达刚路面机械股份有限公司 | A kind of loading shipping platform and vehicle |
-
2013
- 2013-10-24 CN CN201320661066.6U patent/CN203752968U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435520A (en) * | 2019-09-06 | 2019-11-12 | 西安达刚路面机械股份有限公司 | A kind of loading shipping platform and vehicle |
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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: 20140806 Termination date: 20161024 |