CN203958358U - The stowable superimposed trailer of a kind of rear cat ladder - Google Patents
The stowable superimposed trailer of a kind of rear cat ladder Download PDFInfo
- Publication number
- CN203958358U CN203958358U CN201420382500.1U CN201420382500U CN203958358U CN 203958358 U CN203958358 U CN 203958358U CN 201420382500 U CN201420382500 U CN 201420382500U CN 203958358 U CN203958358 U CN 203958358U
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- CN
- China
- Prior art keywords
- cat ladder
- underframe
- stowable
- superimposed trailer
- fixed
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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 superimposed trailer technical field, be specifically related to the stowable superimposed trailer of a kind of rear cat ladder, comprise cat ladder after underframe and two, the both sides of underframe rear end offer respectively the cavity for cat ladder after accommodating two, after two, cat ladder is arranged at respectively in corresponding cavity, and the position of corresponding two cavitys in the rear end of underframe is provided with dodge gate.When rear cat ladder of the present utility model is used, open dodge gate, the rear cat ladder being placed in cavity is pulled out, one end lands; While not using, only rear cat ladder need be pushed back in cavity, then shut dodge gate.Rear cat ladder of the present utility model can act freely, simple in structure, easy to use, and packs up Shi Buhui and turn forward and be tiltedly fixed on the rear portion of underframe as existing rear cat ladder, but is collected in underframe, safe and reliable.
Description
Technical field
The utility model relates to superimposed trailer technical field, is specifically related to the stowable superimposed trailer of a kind of rear cat ladder.
Background technology
The rear cat ladder of at present domestic superimposed trailer adopts spring structure mostly, by manpower and by the elastic force of spring, make cat ladder pack up and put down, during use, also there are some shortcomings, when using a period of time rear spring generation plastic deformation to cause elastic force inadequate, now that cat ladder folding and unfolding meeting is very difficult; When rear cat ladder is packed up, rear cat ladder slightly turns forward and is tiltedly fixed on the rear portion of underframe, once spring installation damages, rear cat ladder can fall down forward or backward, fall down forward to damage being contained in the goods on underframe, while falling down backward after cat ladder can mop floor, easily there is traffic accident.
Summary of the invention
In order to overcome the shortcoming and defect existing in prior art, the purpose of this utility model is to provide a kind of rear cat ladder stowable superimposed trailer, and the rear cat ladder of this superimposed trailer can act freely, simple in structure, easy to use, and safe and reliable.
The purpose of this utility model is achieved through the following technical solutions: the stowable superimposed trailer of a kind of rear cat ladder, comprise cat ladder after underframe and two, the both sides of underframe rear end offer respectively the cavity for cat ladder after accommodating two, after two, cat ladder is arranged at respectively in corresponding cavity, and the position of corresponding two cavitys in the rear end of underframe is provided with dodge gate.
Wherein, the both sides of described rear cat ladder all offer groove, and the rear end of described cavity is all fixed with projection, projection and groove sliding block joint.
Wherein, the both sides of described rear cat ladder front bottom end are respectively arranged with roller, and roller is slidably connected in described cavity.
Wherein, one end of described dodge gate and the rear end of underframe are hinged, and the other end of dodge gate is fixedly connected with by latch components with underframe.
Wherein, the rear end of described rear cat ladder is fixed with handle.
Wherein, described underframe is Z-shaped, underframe comprises the top board connecting successively, middle plate and base plate, top board is higher than base plate, middle plate is vertical with base plate with top board respectively, also comprise two front cat ladders, the both sides of base plate front end offer respectively the storage tank for accommodating two front cat ladders, two front cat ladders are arranged at respectively in corresponding storage tank, the front end of front cat ladder is fixed with slide bar, the rear end of middle plate is fixed with cliding seat, the position at the corresponding slide bar of cliding seat two ends offers chute, slide bar and chute sliding block joint, the driver train that before the below of front cat ladder is fixed with and drives, the front end of cat ladder moves up and down.
Wherein, described driver train is cylinder, and the mouth of cylinder is connected with the front end of described front cat ladder.
Wherein, the top of described chute is provided with support slot.
Wherein, the both sides of described storage tank all offer bar-shaped trough, and the both sides of described front cat ladder rear end are all fixed with sliding shoe, sliding shoe and bar-shaped trough sliding block joint.
Wherein, the bottom of described front cat ladder front end is fixed with supporting seat, and described slide bar is fixed on the bottom of supporting seat, and the periphery at slide bar two ends is all arranged with sliding sleeve, sliding sleeve and slide bar sliding block joint.
The beneficial effects of the utility model are: when rear cat ladder of the present utility model is used, open dodge gate, the rear cat ladder being placed in cavity is pulled out, one end lands; While not using, only rear cat ladder need be pushed back in cavity, then shut dodge gate.
Rear cat ladder of the present utility model can act freely, simple in structure, easy to use, and packs up Shi Buhui and turn forward and be tiltedly fixed on the rear portion of underframe as existing rear cat ladder, but is collected in underframe, safe and reliable.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Perspective view when Fig. 2 is the utility model use.
Spatial structure decomposing schematic representation when Fig. 3 is the utility model use.
Fig. 4 is use state reference map of the present utility model.
Fig. 5 is the sectional perspective structural representation of rear cat ladder described in the utility model while not using.
Sectional perspective structural representation when Fig. 6 is rear cat ladder use described in the utility model.
Sectional perspective STRUCTURE DECOMPOSITION schematic diagram when Fig. 7 is rear cat ladder use described in the utility model.
Fig. 8 is the sectional perspective structural representation of rear cat ladder described in the utility model.
Fig. 9 is the sectional perspective structural representation of front cat ladder described in the utility model while not using.
Sectional perspective structural representation when Figure 10 is front cat ladder use described in the utility model.
Sectional perspective STRUCTURE DECOMPOSITION schematic diagram when Figure 11 is front cat ladder use described in the utility model.
Figure 12 is the sectional perspective structural representation of front cat ladder described in the utility model.
Figure 13 is the structural representation of front cat ladder described in the utility model while not using.
Structural representation when Figure 14 is front cat ladder use described in the utility model.
Reference numeral is: 1-underframe, 11-top board, 12-middle plate, 13-base plate, 2-front cat ladder, 21-storage tank, 22-slide bar, 23-cliding seat, 24-chute, 25-cylinder, 26-support slot, 27 supporting seats, 28-sliding sleeve, 3-rear cat ladder, 31-cavity, 32-dodge gate, 33-latch components, 34-handle, 35-roller.
The specific embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and 1 ~ 14 pair of the utility model of accompanying drawing, be further described, the content that embodiment is mentioned is not to restriction of the present utility model.
See Fig. 1 ~ 8, the stowable superimposed trailer of a kind of rear cat ladder, comprise cat ladder 3 after underframe 1 and two, the both sides of underframe 1 rear end offer respectively the cavity 31 for cat ladder 3 after accommodating two, after two, cat ladder 3 is arranged at respectively in corresponding cavity 31, and the position of corresponding two cavitys 31 in the rear end of underframe 1 is provided with dodge gate 32.
When rear cat ladder 3 of the present utility model is used, open dodge gate 32, the rear cat ladder 3 being placed in cavity 31 is pulled out, one end lands; While not using, only rear cat ladder 3 need be pushed back in cavity 31, then shut dodge gate 32.
Rear cat ladder 3 of the present utility model can act freely, simple in structure, easy to use, and packs up Shi Buhui and turn forward and be tiltedly fixed on the rear portion of underframe 1 as existing rear cat ladder 3, but is collected in underframe 1, safe and reliable.
In the present embodiment, the both sides of described rear cat ladder 3 all offer groove, and the rear end of described cavity 31 is all fixed with projection, projection and groove sliding block joint.By groove and projection are set, when rear cat ladder 3 of the present utility model is used, projection can block the madial wall of groove front end, can prevent that rear cat ladder 3 from all pulling out and falling on the ground.
The utility model another preferably embodiment be: the both sides of described cavity 31 all offer groove, and the front end of described rear cat ladder 3 is all fixed with projection, projection and groove sliding block joint.When rear cat ladder 3 of the present utility model is used, the projection of rear cat ladder 3 front ends can block the madial wall of groove rear end, can prevent that rear cat ladder 3 from all pulling out and falling on the ground.
In the present embodiment, the both sides of described rear cat ladder 3 front bottom end are respectively arranged with roller 35, and roller 35 is slidably connected in described cavity 31.Roller 35 can be ball bearing of main shaft, by roller 35 is set, and convenient pulling out or advancing in cavity 31 rear cat ladder 3.
In the present embodiment, the rear end of one end of described dodge gate 32 and underframe 1 is hinged, and the other end of dodge gate 32 is fixedly connected with by latch components 33 with underframe 1.The back light of superimposed trailer of the present utility model can be installed on dodge gate 32, when rear cat ladder 3 of the present utility model is used, opens dodge gate 32, and the rear cat ladder 3 being placed in cavity 31 is pulled out, and one end lands; While not using, only rear cat ladder 3 need be pushed back in cavity 31, then shut dodge gate 32.
The utility model another preferably embodiment be: described dodge gate 32 is the flat sliding door of opening.Flat open sliding door and can push open to both sides, while closing, close, the structure of similar existing close window.
In the present embodiment, the rear end of described rear cat ladder 3 is fixed with handle 34.Handle 34 for be fixed on rear cat ladder 3 rear ends can be crooked soft handle 34, or for being fixed on the folding hard handle 34 of rear cat ladder 3 rear ends, collapsible can by centre is hinged etc., mode realizes, handle 34 be provided for pulling out rear cat ladder 3, easy to use.
See Fig. 9 ~ 14, in the present embodiment, described underframe 1 is Z-shaped, underframe 1 comprises the top board 11 connecting successively, middle plate 12 and base plate 13, top board 11 is higher than base plate 13, middle plate 12 is vertical with base plate 13 with top board 11 respectively, also comprise two front cat ladders 2, the both sides of base plate 13 front ends offer respectively the storage tank 21 for accommodating two front cat ladders 2, two front cat ladders 2 are arranged at respectively in corresponding storage tank 21, the front end of front cat ladder 2 is fixed with slide bar 22, the rear end of middle plate 12 is fixed with cliding seat 23, the position at the corresponding slide bar of cliding seat 23 22 two ends offers chute 24, slide bar 22 and chute 24 sliding block joints, the driver train that before the below of front cat ladder 2 is fixed with and drives, the front end of cat ladder 2 moves up and down.
When front cat ladder 2 of the present utility model is used, before driver train promotes, the front end of cat ladder 2 moves up, slide bar 22 moves up in chute 24, thereby front cat ladder 2 is slowly tilted, until being moved upward to when the top of middle plate 12 is located, the front end of front cat ladder 2 stops moving, now, from rear cat ladder 3, climb up the vehicle of base plate 13, can continue from base plate 13 by cat ladder 2 climb to top board 11; When front cat ladder 2 of the present utility model is not used, driver train shrinks, and pulls the top of front cat ladder 2 to move down, and slide bar 22 moves down in chute 24, thereby front cat ladder 2 is moved downward in storage tank 21.
The utility model is simple in structure, easy to use, superimposed trailer can be on top board 11 vehicle, thereby relative prolongation effective dock length of the low flat board of engineering, solved the short limitation of the effective goods table top of the low flat board of engineering, strengthened the delelivered payload capability of superimposed trailer; In addition, when superimposed trailer of the present utility model is gone out deliver goods together with a trailer, after unloading, trailer cat ladder 3 and front cat ladder 2 after superimposed trailer are left to the underframe 1 of upper trailer, see Fig. 4, while returning, only need a car, greatly reduce logistics cost, minimizing expense, economizes on resources.
In the present embodiment, described driver train is cylinder 25, and the mouth of cylinder 25 is connected with the front end of described front cat ladder 2.Described driver train can also be other driver train, as long as the front end of cat ladder 2 moves up and down before realizing.
In the present embodiment, the top of described chute 24 is provided with support slot 26.When slide bar 22 is moved upward to highest point in chute 24, slide bar 22 snaps in support slot 26, now, cat ladder 2 and play main support effect through the vehicle of front cat ladder 2 before 26 pairs of support slots, rather than cylinder 25 plays main support effect, therefore, arranging of support slot 26 can prevent that cylinder 25 from damaging because of weight.
In the present embodiment, the both sides of described storage tank 21 all offer bar-shaped trough, and the both sides of described front cat ladder 2 rear ends are all fixed with sliding shoe, sliding shoe and bar-shaped trough sliding block joint.The setting of bar-shaped trough and sliding shoe plays guide and limit effect, the reliability that before strengthening, cat ladder 2 moves.
In the present embodiment, the bottom of described front cat ladder 2 front ends is fixed with supporting seat 27, and described slide bar 22 is fixed on the bottom of supporting seat 27, and the periphery at slide bar 22 two ends is all arranged with sliding sleeve 28, sliding sleeve 28 and slide bar 22 sliding block joints.By sliding sleeve 27 is set, facilitate slide bar 22 in the interior slip of chute 24, reduce friction and waste of power.
The length of described top board 11 is 2.5 ~ 3m, the thickness of top board 11 is 0.2 ~ 0.3m, the height of described middle plate 12 is 0.3 ~ 0.6m, the thickness of middle plate 12 is 0.2 ~ 0.3m, and the length of described base plate 13 is 11 ~ 14m, and the thickness of base plate 13 is 0.2 ~ 0.3m, the length of described front cat ladder 2 is 1.2 ~ 2m, the thickness of front cat ladder 2 is 10 ~ 12cm, and the length of described rear cat ladder 3 is 2.5 ~ 3m, and the thickness of rear cat ladder 3 is 10 ~ 12cm.For making the utility model reach best result of use, the length of described top board 11 is 3m, the thickness of top board 11 is 0.25m, and the height of described middle plate 12 is 0.45m, and the thickness of middle plate 12 is 0.25m, the length of described base plate 13 is 11.6m, the thickness of base plate 13 is 0.25m, and the length of described front cat ladder 2 is 1.5m, and the thickness of front cat ladder 2 is 10cm, the length of described rear cat ladder 3 is 2.5m, and the thickness of rear cat ladder 3 is 12cm.
Above-described embodiment is preferably implementation of the utility model, and in addition, the utility model can also be realized by alternate manner, and any apparent replacement is all within protection domain of the present utility model without departing from the concept of the premise utility.
Claims (10)
1. the stowable superimposed trailer of cat ladder after a kind, comprise cat ladder after underframe and two, it is characterized in that: the both sides of underframe rear end offer respectively the cavity for cat ladder after accommodating two, after two, cat ladder is arranged at respectively in corresponding cavity, and the position of corresponding two cavitys in the rear end of underframe is provided with dodge gate.
2. the stowable superimposed trailer of a kind of rear cat ladder according to claim 1, is characterized in that: the both sides of described rear cat ladder all offer groove, and the rear end of described cavity is all fixed with projection, projection and groove sliding block joint.
3. the stowable superimposed trailer of a kind of rear cat ladder according to claim 1, is characterized in that: the both sides of described rear cat ladder front bottom end are respectively arranged with roller, and roller is slidably connected in described cavity.
4. the stowable superimposed trailer of a kind of rear cat ladder according to claim 1, is characterized in that: one end of described dodge gate and the rear end of underframe are hinged, and the other end of dodge gate is fixedly connected with by latch components with underframe.
5. the stowable superimposed trailer of a kind of rear cat ladder according to claim 1, is characterized in that: the rear end of described rear cat ladder is fixed with handle.
6. the stowable superimposed trailer of a kind of rear cat ladder according to claim 1, it is characterized in that: described underframe is Z-shaped, underframe comprises the top board connecting successively, middle plate and base plate, top board is higher than base plate, middle plate is vertical with base plate with top board respectively, also comprise two front cat ladders, the both sides of base plate front end offer respectively the storage tank for accommodating two front cat ladders, two front cat ladders are arranged at respectively in corresponding storage tank, the front end of front cat ladder is fixed with slide bar, the rear end of middle plate is fixed with cliding seat, the position at the corresponding slide bar of cliding seat two ends offers chute, slide bar and chute sliding block joint, the driver train that before the below of front cat ladder is fixed with and drives, the front end of cat ladder moves up and down.
7. the stowable superimposed trailer of a kind of rear cat ladder according to claim 6, is characterized in that: described driver train is cylinder, and the mouth of cylinder is connected with the front end of described front cat ladder.
8. the stowable superimposed trailer of a kind of rear cat ladder according to claim 6, is characterized in that: the top of described chute is provided with support slot.
9. the stowable superimposed trailer of a kind of rear cat ladder according to claim 6, is characterized in that: the both sides of described storage tank all offer bar-shaped trough, and the both sides of described front cat ladder rear end are all fixed with sliding shoe, sliding shoe and bar-shaped trough sliding block joint.
10. the stowable superimposed trailer of a kind of rear cat ladder according to claim 6, it is characterized in that: the bottom of described front cat ladder front end is fixed with supporting seat, described slide bar is fixed on the bottom of supporting seat, and the periphery at slide bar two ends is all arranged with sliding sleeve, sliding sleeve and slide bar sliding block joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420382500.1U CN203958358U (en) | 2014-07-11 | 2014-07-11 | The stowable superimposed trailer of a kind of rear cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420382500.1U CN203958358U (en) | 2014-07-11 | 2014-07-11 | The stowable superimposed trailer of a kind of rear cat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203958358U true CN203958358U (en) | 2014-11-26 |
Family
ID=51918980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420382500.1U Expired - Fee Related CN203958358U (en) | 2014-07-11 | 2014-07-11 | The stowable superimposed trailer of a kind of rear cat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203958358U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016108788A1 (en) * | 2014-12-29 | 2016-07-07 | Tirsan Treyler Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Gooseneck with ramp |
| CN106515876A (en) * | 2016-12-23 | 2017-03-22 | 重庆首顺货厢制造有限公司 | Truck box with cargo transportation device |
| CN113183855A (en) * | 2021-06-15 | 2021-07-30 | 眉山中车物流装备有限公司 | Tractor consignment semitrailer structure |
| US20210309140A1 (en) * | 2018-12-19 | 2021-10-07 | Cottrell, Inc. | Bridge apparatus and system for vehicle transport |
-
2014
- 2014-07-11 CN CN201420382500.1U patent/CN203958358U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016108788A1 (en) * | 2014-12-29 | 2016-07-07 | Tirsan Treyler Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Gooseneck with ramp |
| CN106515876A (en) * | 2016-12-23 | 2017-03-22 | 重庆首顺货厢制造有限公司 | Truck box with cargo transportation device |
| CN106515876B (en) * | 2016-12-23 | 2018-10-16 | 重庆首顺货厢制造有限公司 | A kind of truck body with goods transport device |
| US20210309140A1 (en) * | 2018-12-19 | 2021-10-07 | Cottrell, Inc. | Bridge apparatus and system for vehicle transport |
| US11660996B2 (en) * | 2018-12-19 | 2023-05-30 | Cottrell Incorporated | Bridge apparatus and system for vehicle transport |
| CN113183855A (en) * | 2021-06-15 | 2021-07-30 | 眉山中车物流装备有限公司 | Tractor consignment semitrailer structure |
| CN113183855B (en) * | 2021-06-15 | 2023-03-14 | 眉山中车物流装备有限公司 | Tractor consignment semitrailer structure |
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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: 20141126 Termination date: 20190711 |