CN204774861U - Van -type tailer tailboard elevating system - Google Patents
Van -type tailer tailboard elevating system Download PDFInfo
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- CN204774861U CN204774861U CN201520466974.9U CN201520466974U CN204774861U CN 204774861 U CN204774861 U CN 204774861U CN 201520466974 U CN201520466974 U CN 201520466974U CN 204774861 U CN204774861 U CN 204774861U
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- tailgate
- worm
- worm wheel
- slide block
- closed
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Abstract
The utility model relates to a van -type tailer tailboard elevating system, it includes that rigidity welding at back door frame, upset hydro -cylinder, back tail plate and the hydraulic motor of van -type tailer afterbody, installs worm wheel lead screw lift and promote the guide rail in the left and right sides of back door frame, is provided with with it the complex and promotes the slider in promoting the guide rail, hydraulic motor's output is in the same place with the worm hub connection of the worm wheel lead screw lift of both sides, is equipped with the promotion nut on the lead screw of worm wheel lead screw lift, and the promotion nut passes through the slider connecting seat with the promotion slider to be connected, and the both ends of upset hydro -cylinder link to each other with slider connecting seat and back tail plate respectively, link together with the hoisting frame on the slider connecting seat, the hoisting frame is articulated mutually with one side of back tail plate. Compact structure not only, the load is big, and lifting height is high, and this hoist mechanism tailboard can be dug, directly uses when the back door, need not to install the back door again, simplifies the structure, and the tailboard still can be as climbing car transition ramp use moreover.
Description
Technical field
The utility model relates to automotive body structure, particularly relate to a kind of for by goods from ground handling to automobile container base plate or by the portage of automobile container to ground closed-type trailer tailgate lifting mechanism.Belong to goods transport technical field.
Background technology
At present, most of closed-type trailer back door is all opposite opened back door, during handling goods, substantially all from back door handling goods, as needed fast goods to be raised to loading face, compartment, a set of Hydraulic Pressure Trail Plank lifting mechanism need be installed additional at rear portion, back door, this Hydraulic Pressure Trail Plank lifting mechanism load-carrying domestic is less at present, owing to being subject to load limit, tail-board length is shorter, length can not be met long, goods lifting (handling of sports car as senior in some) that weight ratio is heavier, and this mechanism realizes tailgate lifting by oil cylinder, complicated structure, hoisting depth is lower, if also have two layers of cargo platform in compartment, this mechanism cannot rise to two-layer platform height.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, a kind of closed-type trailer tailgate lifting mechanism is provided, not only compact conformation, load-carrying is large, and hoisting depth is high, and this lift system tailgate can be dug, directly when back door uses, without the need to installing back door again, simplified structure, and also tailgate also can use as climbing car transition ramp.
The purpose of this utility model is achieved in that a kind of closed-type trailer tailgate lifting mechanism, it comprises the rear door frame of rigid solder at closed-type trailer afterbody, overturning oil cylinder, rear tailgate and HM Hydraulic Motor, in the left and right sides of rear door frame, worm wheel screw rod lifting machine and lift rail are installed, the lifting slide block coordinated with it is provided with in lift rail, the worm shaft of the mouth of described HM Hydraulic Motor and the worm wheel screw rod lifting machine of both sides links together, the leading screw of worm wheel screw rod lifting machine is equipped with hoisting nut, hoisting nut is connected by slide block Connection Block with lifting slide block, the two ends of overturning oil cylinder are connected with rear tailgate with slide block Connection Block respectively, described slide block Connection Block links together with raising legs, the side of raising legs and rear tailgate is hinged.
Be plugged with pull in the rear in tailgate and climb car springboard, described pull is climbed between car springboard with rear tailgate and is connected by activity wedge-shaped bolt.
The mouth of described HM Hydraulic Motor is provided with flange-face coupling, and flange-face coupling is linked together by the worm shaft of coupler connection pipe and worm wheel screw rod lifting machine.
Described overturning oil cylinder is provided with for locked hydraulic lock, between described slide block Connection Block and rear tailgate, is provided with the insurance chain that after preventing, tailgate is sagging.
Described worm wheel screw rod lifting machine is primarily of turbine, worm screw and screw mandrel composition, be a set of worm-and-wheel gear bottom worm wheel screw rod lifting machine, leading screw lower end is made cylindrical pin structure and is inserted the middle centre hole of worm gear, is linked together by key, when worm gear wheel, leading screw also rotates together.
Compared with prior art, the beneficial effects of the utility model are:
The structure of back door and tailgate combines and simplifies the structure by the utility model, be convenient to install, by leading screw is lengthened, add the hoisting depth of rear tailgate, by the deceleration performance of Worm Wheel System and worm drive, add the carrying of tailgate, axial force is born additionally by leading screw, diametral load is born by guide rail, optimize stress point, larger radial component can be born, thus the long goods of length can be promoted, the longer radial component of goods is larger, controlled by hydraulic multitandem valve, easy to operate, flexibly, and owing to have employed worm screw lifting, even if hydraulic system fails, tailgate also can not drop, there is auto-lock function, safe and reliable.In addition after this mechanism tailgate built-in can pull climb car springboard, when by after tailgate put down, climb car springboard extract out time, this mechanism can as a transition ramp, and fork truck or Commercial Vehicle can directly leave to interior.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of novel closed-type trailer tailgate lifting mechanism tailgate of the utility model when putting down and pack up.
Fig. 2 is the birds-eye view of the utility model closed-type trailer tailgate lifting mechanism tailgate when putting down.
Fig. 3 is the enlarged diagram at I place in Fig. 2.
Fig. 4 is the front view that the utility model closed-type trailer tailgate lifting mechanism puts down when transition ramp uses.
Fig. 5 is the hydraulic schematic diagram of a kind of Novel trailer axletree of the utility model lifting mechanism.
Wherein:
Rear door frame 1
Worm wheel screw rod lifting machine 2
Hoisting nut 3
Slide block Connection Block 4
Overturning oil cylinder 5
Hydraulic lock 6
Insurance chain 7
Rear tailgate 8
HM Hydraulic Motor 9
Flange-face coupling 10
Coupler connection pipe 11
Lift rail 12
Promote slide block 13
Downward beam 14
Raising legs 15
Activity wedge-shaped bolt 16
Pull climbs car springboard 17
Hydraulic directional control valve 18.
Detailed description of the invention
See Fig. 1, the utility model relates to a kind of closed-type trailer tailgate lifting mechanism, comprise the rear door frame 1 of rigid solder at closed-type trailer afterbody, overturning oil cylinder 5, rear tailgate 8 and HM Hydraulic Motor 9, rear door frame 1 is welded by steel plate and rectangular tube, a block plate is respectively welded with up and down at the left and right pillar of rear door frame 1, for installing worm wheel screw rod lifting machine 2, rear door frame left and right pillar is respectively welded with one piece of riser in addition, for installing lift rail 12, promoting slide block 13 with lift rail 12 is auxiliary equipment, promote on slide block 13 and have an oat tail groove structure, can match with lift rail 12 and move up and down.Worm wheel screw rod lifting machine 2 is primarily of structure compositions such as turbine, worm screw and screw mandrels, be a set of worm-and-wheel gear bottom worm wheel screw rod lifting machine, leading screw lower end is made cylindrical pin structure and is inserted the middle centre hole of worm gear, is linked together by key, when worm gear wheel, leading screw also rotates together.The mouth of HM Hydraulic Motor 9 is provided with flange-face coupling 10, flange-face coupling 10 is linked together by the worm shaft of coupler connection pipe 11 with worm wheel screw rod lifting machine 2, the worm screw of worm wheel screw rod lifting machine 2 is driven to rotate when hydraulic motor output shaft rotates, worm screw drives worm gear and screw turns, hoisting nut 3 leading screw is equipped with, hoisting nut 3 and leading screw form worm drive, and when screw turns, hoisting nut 3 moves up and down.
See Fig. 2-Fig. 4, hoisting nut 3 is connected by slide block Connection Block 4 with lifting slide block 13, cylinder body end and the slide block Connection Block 4 of overturning oil cylinder 5 are hinged, rod end is connected with rear tailgate 8, slide block Connection Block 4 is provided with downward beam 14, downward beam 14 links together with raising legs 15, then the side of tailgate 8 is hinged with raising legs 15 again, when hoisting nut 3 moves up and down, band movable slider Connection Block 4 is moved up and down, slide block Connection Block 4 drives and promotes slide block 13, downward beam 14, overturning oil cylinder 5 moves up and down, downward beam 14 drives raising legs 15 to move up and down, rear tailgate 8 is driven to move up and down eventually through raising legs 15 and overturning oil cylinder 5.Rear tailgate 8 is linked together by pinned connection and raising legs 15, and when overturning oil cylinder 5 stretches, rear tailgate around the upset of connection bearing pin, thus can realize the opening and closing of rear tailgate.See Fig. 5, controlled lifting and the upset of rear tailgate by hydraulic directional control valve 18.Be plugged with pull in the rear in tailgate 8 and climb car springboard 17, pull is climbed between car springboard 17 with rear tailgate 8 and is connected by activity wedge-shaped bolt 16.
When goods vertical lift uses when elevator by needs:
The first step (tailgate is opened), the control handle of overturning oil cylinder 5 is controlled with manual manipulation hydraulic directional control valve 18, to overturning oil cylinder 5 for pressure oil, overturning oil cylinder 5 piston rod is stretched out, overturning oil cylinder 5 drives rear tailgate 8 to overturn downwards, open rear tailgate 8, when rear tailgate 8 turn to parallel to the ground, unclamp the operating handle of hydraulic directional control valve 18, the spool of hydraulic directional control valve 18 gets back to meta, by the Median Function of hydraulic lock 6 and hydraulic directional control valve 18 by locked for overturning oil cylinder 5, rear tailgate 8 is made to remain on position parallel to the ground, then 7 one, insurance chain is connected with slide block Connection Block 4, other end is connected with rear tailgate 8, prevent tailgate sagging.
Second step (tailgate falls), with the control handle of manual manipulation hydraulic directional control valve 18 hydraulic control motor 9, to motor for pressure oil, HM Hydraulic Motor 9 output shaft is rotated clockwise, export certain moment of torsion, moment of torsion is passed to the worm shaft of worm screw elevator 2 by flange-face coupling 10 and coupler connection pipe 11, worm screw drives leading screw to rotate, leading screw rotarily drives hoisting nut 3 and moves down, slide block Connection Block 4, promote slide block 13, downward beam 14, overturning oil cylinder 5, raising legs 15, rear tailgate 8 also entirety moves down, when rear tailgate 8 is down to ground, unclamp the operating handle of hydraulic directional control valve 18, rear tailgate 8 stops declining, goods is loaded onto on rear tailgate.
3rd step (tailgate liter), when Container Loading completes, when needing tailgate to promote, with the control handle of manual manipulation hydraulic directional control valve 18 hydraulic control motor 9, hydraulic control motor 9 output shaft left-hand revolution, hoisting nut 3 is driven to move down by worm wheel screw rod lifting machine 2, resulting belt movable slider Connection Block 4, lifting slide block 13, downward beam 14, overturning oil cylinder 5, raising legs 15, rear tailgate 8 entirety move up, during by freight lifting to loading face height, unclamp the operating handle of hydraulic directional control valve 18, rear tailgate 8 stops rising, and goods is loaded onto interior.As also needed lade, only need repetition second and the 3rd action.
When needs tailgate dug use when back door time:
First by above second step operation, rear tailgate 8 is down to and flushes with bottom rear door frame 1, pull down insurance chain 7, operation hydraulic directional control valve 18 controls the control handle of overturning oil cylinder 5, to overturning oil cylinder 5 for pressure oil, overturning oil cylinder 5 piston rod is retracted, overturning oil cylinder 5 drives rear tailgate 8 upwards to overturn, tailgate 8 after closing, when rear tailgate 8 turn to rear door frame 1 column be close to time, unclamp the operating handle of hydraulic directional control valve 18, the spool of hydraulic directional control valve 18 gets back to meta, by the Median Function of hydraulic lock 6 and hydraulic directional control valve 18 by locked for overturning oil cylinder 5, rear tailgate 8 is made to remain on the position be close to doorframe 1 column, realize the effect of closing the door, in addition rear door frame surrounding is equipped with rubber weather strip, play the effect of sealing and damping.
When rear tailgate uses when transition ramp by needs:
First by above first step operation, by operating the handle of hydraulic directional control valve 18, rear tailgate is opened to level attitude, then second step operation is pressed, rear tailgate 8 is down to loading face, compartment, then extract in the lockhole that activity wedge-shaped bolt can be climbed car springboard 15 both sides by the handle of rotation activity wedge-shaped bolt 16 from pull, then pull is climbed car springboard 17 to extract out from rear tailgate 8 rear portion, the handle of activity wedge-shaped bolt 16 is rotated again after pull puts in place, activity wedge-shaped bolt being locked pull climbs in the lockhole on car springboard 15 both sides, pull is climbed car springboard locked, last again by the handle of first step operation hydraulic directional control valve 18, rear tailgate is continued upset downwards, until pull climbs afterbody and the earth surface of car springboard 15, unclamp the operating handle of hydraulic directional control valve 18, rear tailgate 8 is climbed car springboard 15 with pull and is formed a ramp, fork truck or Commercial Vehicle is facilitated to travel to interior.As shown in Figure 3.
Claims (5)
1. a closed-type trailer tailgate lifting mechanism, it is characterized in that it comprises the rear door frame (1) of rigid solder at closed-type trailer afterbody, overturning oil cylinder (5), rear tailgate (8) and HM Hydraulic Motor (9), worm wheel screw rod lifting machine (2) and lift rail (12) are installed in the left and right sides of rear door frame (1), the lifting slide block (13) coordinated with it is provided with in lift rail (12), the worm shaft of the mouth of described HM Hydraulic Motor (9) and the worm wheel screw rod lifting machine (2) of both sides links together, the leading screw of worm wheel screw rod lifting machine (2) is equipped with hoisting nut (3), hoisting nut (3) is connected by slide block Connection Block (4) with lifting slide block (13), the two ends of overturning oil cylinder (5) are connected with rear tailgate (8) with slide block Connection Block (4) respectively, described slide block Connection Block (4) is gone up and raising legs (15) links together, raising legs (15) is hinged with the side of rear tailgate (8).
2. a kind of closed-type trailer tailgate lifting mechanism according to claim 1, it is characterized in that being plugged with pull in tailgate (8) in the rear climbs car springboard (17), described pull is climbed between car springboard (17) with rear tailgate (8) and is connected by activity wedge-shaped bolt (16).
3. a kind of closed-type trailer tailgate lifting mechanism according to claim 1, the mouth that it is characterized in that described HM Hydraulic Motor (9) is provided with flange-face coupling (10), and flange-face coupling (10) is linked together by the worm shaft of coupler connection pipe (11) with worm wheel screw rod lifting machine (2).
4. a kind of closed-type trailer tailgate lifting mechanism according to claim 1, it is characterized in that on described overturning oil cylinder (5), be provided with the hydraulic lock (6) for locked, between described slide block Connection Block (4) and rear tailgate (8), be provided with the insurance chain (7) preventing rear tailgate (8) sagging.
5. a kind of closed-type trailer tailgate lifting mechanism according to claim 1, it is characterized in that described worm wheel screw rod lifting machine (2) is primarily of turbine, worm screw and screw mandrel composition, it is a set of worm-and-wheel gear bottom worm wheel screw rod lifting machine, leading screw lower end is made cylindrical pin structure and is inserted the middle centre hole of worm gear, linked together by key, when worm gear wheel, leading screw also rotates together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520466974.9U CN204774861U (en) | 2015-07-02 | 2015-07-02 | Van -type tailer tailboard elevating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520466974.9U CN204774861U (en) | 2015-07-02 | 2015-07-02 | Van -type tailer tailboard elevating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204774861U true CN204774861U (en) | 2015-11-18 |
Family
ID=54514973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520466974.9U Expired - Fee Related CN204774861U (en) | 2015-07-02 | 2015-07-02 | Van -type tailer tailboard elevating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204774861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972950A (en) * | 2015-07-02 | 2015-10-14 | 江苏海鹏特种车辆有限公司 | Tail plate lifting mechanism for trailer van |
| CN113830211A (en) * | 2021-10-09 | 2021-12-24 | 江苏鸿迅机车有限公司 | Electric tricycle carriage structure convenient to goods handling |
-
2015
- 2015-07-02 CN CN201520466974.9U patent/CN204774861U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972950A (en) * | 2015-07-02 | 2015-10-14 | 江苏海鹏特种车辆有限公司 | Tail plate lifting mechanism for trailer van |
| CN113830211A (en) * | 2021-10-09 | 2021-12-24 | 江苏鸿迅机车有限公司 | Electric tricycle carriage structure convenient to goods handling |
| CN113830211B (en) * | 2021-10-09 | 2022-04-12 | 江苏鸿迅机车有限公司 | Electric tricycle carriage structure convenient to goods handling |
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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 |
Granted publication date: 20151118 Termination date: 20160702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |